Telz: International Calling: iPhone vs Android
Telz: International Calling gets 500+ downloads a day worldwide (AppInsider estimate, October 2026, rounded down to a band).
Telz: International Calling by Nettia OY is on both the App Store and Google Play. Here are both versions together: downloads, users, revenue, ratings and chart positions, store by store with totals.
Rating
4.5 ★
21k ratings, both stores
Measured
Best rank now
#11
Android · 
Communication Grossing
Communication GrossingMeasured
App Store
App details
App ID
972088308
Publisher
Nettia OY
Publisher country
Finland
On the store since
Mar 2015
11 years on the store
Minimum OS
iOS 13.0+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
32
AR BG CA CS DA NL EN ET FI FR DE EL …
Size
138 MB
Also listed in
Utilities
Google Play
App details
App ID
com.nettia
Publisher
Nettia Oy
Publisher country
Finland
Content rating
Everyone
Telz: International Calling downloads & installs
Both stores, worldwide. Bands are open; exact numbers are free with an account.
| Store | Downloads / day | Lifetime installs |
|---|---|---|
| iPhone | – | 500k+ |
| Google Play | 500+ | 1M+ Measured |
| Total | 500+ Confidence | 1M+ Confidence |
How this is calculated
iPhone: chart positions and rating growth per country, anchored on its own Android downloads; lifetime from ratings worldwide × installs per rating. Google Play: the daily change in its exact install count. The total adds every store.
Where Telz: International Calling's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend before Apple and Google take their fee.
| Store | Per day | Per month | Share |
|---|---|---|---|
| App Store | |||
| Google Play | |||
| Total | Confidence | 100% |
Business model: In-app purchase-led
How Telz: International Calling makes money: subscriptions, one-off purchases and ads.
In-app purchases
One-off purchases
/mo
of revenue
Where it ranks now
Both stores, across every country we track.
Ratings
Both stores. Store data, measured.
| Store | Rating | Ratings |
|---|---|---|
| App Store | 4.6 ★ | 2.4k |
| Google Play | 4.5 ★ | 19k 418 written reviews |
| Both stores | 4.5 ★ weighted by ratings | 21k |
About Telz: International Calling
Make international calls to any country with Telz – a reliable online phone call app for cheap international calling. Stay connected with family and friends worldwide using crystal-clear calls at low rates, with no hidden fees or roaming charges.
Telz is an easy-to-use international calling app that lets you call abroad, call international numbers, and make an online call anytime using Wi-Fi or mobile data.
Why choose Telz International Calling App?
Cheap international calls:
Make cheap international calls to any country at low rates. This cheap international calling app offers transparent pricing with no hidden fees and no balance expiry.
High-quality VoIP calls:
Enjoy crystal-clear connections with our VoIP call app, designed for stable and reliable international communication.
Call abroad anytime:
Use this online phone call app to call abroad or call overseas without expensive roaming. Stay connected wherever you are.
Easy to use:
- Install the app and set up your account in a minute
- Top up your balance in seconds
- Choose a contact or dial a number
- Make an online call or fast call abroad instantly
You can also send airtime to friends and family worldwide.
No roaming, no hidden fees:
Avoid roaming charges and enjoy full cost control. This international calling app lets you make phone calls online globally with clear pricing.
Calls over the internet:
Make an online phone call using Wi-Fi or mobile data. Our wifi calling app works worldwide and helps you stay connected anywhere.
Fast and reliable connection:
Experience fast call performance with optimized VoIP routes for better call quality.
Callback for unstable internet:
If your internet connection is weak, use callback to call abroad or call international numbers via regular phone networks.
Pay-as-you-go pricing:
Only pay for the minutes you use. Enjoy cheap international calls worldwide with no subscription.
Ideal for travelers:
Perfect for tourists and travelers who want to call abroad and stay connected without roaming fees.
Extra Features:
- Contact list integration;
- Airtime top-up worldwide;
- One account for all devices;
- Optional auto top-ups;
- 24/7 customer support;
- Built-in call recorder. Please make sure you follow the laws on call recording that apply where you are.
Get Telz today – your all-in-one international calling app to make phone calls, online call, and call international numbers worldwide. All you need is an internet connection (4G, LTE, 3G, or Wi-Fi).
Telz is an easy-to-use international calling app that lets you call abroad, call international numbers, and make an online call anytime using Wi-Fi or mobile data.
Why choose Telz International Calling App?
Cheap international calls:
Make cheap international calls to any country at low rates. This cheap international calling app offers transparent pricing with no hidden fees and no balance expiry.
High-quality VoIP calls:
Enjoy crystal-clear connections with our VoIP call app, designed for stable and reliable international communication.
Call abroad anytime:
Use this online phone call app to call abroad or call overseas without expensive roaming. Stay connected wherever you are.
Easy to use:
- Install the app and set up your account in a minute
- Top up your balance in seconds
- Choose a contact or dial a number
- Make an online call or fast call abroad instantly
You can also send airtime to friends and family worldwide.
No roaming, no hidden fees:
Avoid roaming charges and enjoy full cost control. This international calling app lets you make phone calls online globally with clear pricing.
Calls over the internet:
Make an online phone call using Wi-Fi or mobile data. Our wifi calling app works worldwide and helps you stay connected anywhere.
Fast and reliable connection:
Experience fast call performance with optimized VoIP routes for better call quality.
Callback for unstable internet:
If your internet connection is weak, use callback to call abroad or call international numbers via regular phone networks.
Pay-as-you-go pricing:
Only pay for the minutes you use. Enjoy cheap international calls worldwide with no subscription.
Ideal for travelers:
Perfect for tourists and travelers who want to call abroad and stay connected without roaming fees.
Extra Features:
- Contact list integration;
- Airtime top-up worldwide;
- One account for all devices;
- Optional auto top-ups;
- 24/7 customer support;
- Built-in call recorder. Please make sure you follow the laws on call recording that apply where you are.
Get Telz today – your all-in-one international calling app to make phone calls, online call, and call international numbers worldwide. All you need is an internet connection (4G, LTE, 3G, or Wi-Fi).
Telz: International Calling iPhone
Telz: Звонки за границу онлайн
Telz: International Calling gets 500+ downloads a day worldwide (AppInsider estimate, October 2026, rounded down to a band).
Not in any tracked top chart right now.
Updated 25 Oct 2026 · rankings refresh through the day
DeveloperNettia OY
CategorySocial Networking
PriceFree
Released
Rating★ 4.6 (2.4k)
Version17.0.46
Age rating4+
First seen by us
3 Oct 2026
3 Oct 2026Installs (est.)500k+ worldwide
Rating
4.6 ★
2.4k ratings
Measured
Telz: International Calling on the App Store
App details
App ID
972088308
Publisher
Nettia OY
Publisher country
Finland
On the store since
Mar 2015
11 years on the store
Minimum OS
iOS 13.0+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
32
AR BG CA CS DA NL EN ET FI FR DE EL …
Size
138 MB
Also listed in
Utilities
Telz: International Calling downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Where Telz: International Calling's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend in Telz: International Calling before Apple and Google take their fee.
How this is calculated
Not in an overall Top Grossing chart, only in category charts: each category position is converted to the overall position it corresponds to, then priced on the same rank-to-revenue curve, inside the part of each market the charted apps leave over.
Business model: In-app purchase-led
How Telz: International Calling makes money: subscriptions, one-off purchases and ads.
In-app purchases
One-off purchases
/mo
of revenue
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
4.6 ★
2.4k ratings
Measured
Ratings
2.4k
Measured
About Telz: International Calling
Make international calls to any country with Telz – a reliable online phone call app for cheap international calling. Stay connected with family and friends worldwide using crystal-clear calls at low rates, with no hidden fees or roaming charges.
Telz is an easy-to-use international calling app that lets you call abroad, call international numbers, and make an online call anytime using Wi-Fi or mobile data.
Why choose Telz International Calling App?
Cheap international calls:
Make cheap international calls to any country at low rates. This cheap international calling app offers transparent pricing with no hidden fees and no balance expiry.
High-quality VoIP calls:
Enjoy crystal-clear connections with our VoIP call app, designed for stable and reliable international communication.
Call abroad anytime:
Use this online phone call app to call abroad or call overseas without expensive roaming. Stay connected wherever you are.
Easy to use:
- Install the app and set up your account in a minute
- Top up your balance in seconds
- Choose a contact or dial a number
- Make an online call or fast call abroad instantly
You can also send airtime to friends and family worldwide.
No roaming, no hidden fees:
Avoid roaming charges and enjoy full cost control. This international calling app lets you make phone calls online globally with clear pricing.
Calls over the internet:
Make an online phone call using Wi-Fi or mobile data. Our wifi calling app works worldwide and helps you stay connected anywhere.
Fast and reliable connection:
Experience fast call performance with optimized VoIP routes for better call quality.
Callback for unstable internet:
If your internet connection is weak, use callback to call abroad or call international numbers via regular phone networks.
Pay-as-you-go pricing:
Only pay for the minutes you use. Enjoy cheap international calls worldwide with no subscription.
Ideal for travelers:
Perfect for tourists and travelers who want to call abroad and stay connected without roaming fees.
Extra Features:
- Contact list integration;
- Airtime top-up worldwide;
- One account for all devices;
- Optional auto top-ups;
- 24/7 customer support;
- Built-in call recorder. Please make sure you follow the laws on call recording that apply where you are.
Get Telz today – your all-in-one international calling app to make phone calls, online call, and call international numbers worldwide. All you need is an internet connection (4G, LTE, 3G, or Wi-Fi).
Telz is an easy-to-use international calling app that lets you call abroad, call international numbers, and make an online call anytime using Wi-Fi or mobile data.
Why choose Telz International Calling App?
Cheap international calls:
Make cheap international calls to any country at low rates. This cheap international calling app offers transparent pricing with no hidden fees and no balance expiry.
High-quality VoIP calls:
Enjoy crystal-clear connections with our VoIP call app, designed for stable and reliable international communication.
Call abroad anytime:
Use this online phone call app to call abroad or call overseas without expensive roaming. Stay connected wherever you are.
Easy to use:
- Install the app and set up your account in a minute
- Top up your balance in seconds
- Choose a contact or dial a number
- Make an online call or fast call abroad instantly
You can also send airtime to friends and family worldwide.
No roaming, no hidden fees:
Avoid roaming charges and enjoy full cost control. This international calling app lets you make phone calls online globally with clear pricing.
Calls over the internet:
Make an online phone call using Wi-Fi or mobile data. Our wifi calling app works worldwide and helps you stay connected anywhere.
Fast and reliable connection:
Experience fast call performance with optimized VoIP routes for better call quality.
Callback for unstable internet:
If your internet connection is weak, use callback to call abroad or call international numbers via regular phone networks.
Pay-as-you-go pricing:
Only pay for the minutes you use. Enjoy cheap international calls worldwide with no subscription.
Ideal for travelers:
Perfect for tourists and travelers who want to call abroad and stay connected without roaming fees.
Extra Features:
- Contact list integration;
- Airtime top-up worldwide;
- One account for all devices;
- Optional auto top-ups;
- 24/7 customer support;
- Built-in call recorder. Please make sure you follow the laws on call recording that apply where you are.
Get Telz today – your all-in-one international calling app to make phone calls, online call, and call international numbers worldwide. All you need is an internet connection (4G, LTE, 3G, or Wi-Fi).
Latest updates
17.0.46
Thank you for using the VoIP international calling app Telz!
Fixes:
- Country search in registration
- Speaker and headphones button during calls
This update includes improvements to the user experience for tourists traveling between countries.
Please send all errors and suggestions to [email protected].
Telz: International Calling Android
Telz: International Calling gets 500+ downloads a day worldwide (AppInsider estimate, October 2026, rounded down to a band).
Telz: International Calling is #11 in Communication Grossing on Google Play in Mexico and charting in 6 of 23 countries we track.
Updated 25 Oct 2026 · rankings refresh through the day
DeveloperTelz.com International calling app
CategoryCommunication
PriceFree
Released
Installs1M+
Rating★ 4.5 (19k)
Updated
Content ratingEveryone
Rating
4.5 ★
19k ratings
Measured
Best rank now
#11
Communication GrossingMeasured
Telz: International Calling on Google Play
App details
App ID
com.nettia
Publisher
Nettia Oy
Publisher country
Finland
Content rating
Everyone
Telz: International Calling downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Google Play shows an exact lifetime install count; downloads per day are its daily change (measured). When Play hasn't refreshed the count, they come from new ratings and Top Free chart positions. Confidence is the chance the real number is within half to double ours.
Where Telz: International Calling's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend in Telz: International Calling before Apple and Google take their fee.
How this is calculated
Not in an overall Top Grossing chart, only in category charts: each category position is converted to the overall position it corresponds to, then priced on the same rank-to-revenue curve, inside the part of each market the charted apps leave over.
Business model: In-app purchase-led
How Telz: International Calling makes money: subscriptions, one-off purchases and ads.
In-app purchases
One-off purchases
/mo
of revenue
Where it ranks on Google Play
Every top 200 chart it appears in across 23 countries.
| Country | Charts | Rank |
|---|---|---|
| Mexico | CommunicationGrossing | #11 |
 Germany | CommunicationGrossing | #37 |
 United Arab Emirates | CommunicationGrossing | #105 |
 Netherlands | CommunicationGrossing | #109 |
 Thailand | CommunicationGrossing | #109 |
 Vietnam | CommunicationGrossing | #105 |
Apps near Telz: International Calling on the chart
Communication Grossing, around #11.
Ratings
Google Play, worldwide.
Rating
4.5 ★
19k ratings
Measured
Ratings
19k
Measured
Written reviews
418
Measured
About Telz: International Calling
Make international calls to any country with Telz – a reliable online phone call app for cheap international calling. Stay connected with family and friends worldwide using crystal-clear calls at the lowest rates, with no hidden fees or roaming charges.
Telz is an easy-to-use international calling app that lets you call abroad, call international numbers, and make an online call anytime using Wi-Fi or mobile data.
Why choose Telz International Calling App?
Cheap international calls:
Make cheap international calls to any country at low rates. This cheap international calling app offers transparent pricing with no hidden fees and no balance expiry.
High-quality VoIP calls:
Enjoy crystal-clear connections with our VoIP call app, designed for stable and reliable international communication.
Call abroad anytime:
Use this online phone call app to call abroad or call overseas without expensive roaming. Stay connected wherever you are.
Easy to use:
- Install the app and start using a free phone call app
- Top up your balance in seconds
- Choose a contact or dial a number
- Make an online call or fast call abroad instantly
You can also send airtime to friends and family worldwide.
No roaming, no hidden fees:
Avoid roaming charges and enjoy full cost control. This international calling app lets you make phone calls online globally with clear pricing.
Calls over the internet:
Make an online phone call using Wi-Fi or mobile data. Our wifi calling app for android works worldwide and helps you stay connected anywhere.
Fast and reliable connection:
Experience fast call performance with optimized VoIP routes for better call quality.
Callback for unstable internet:
If your internet connection is weak, use callback to call abroad or call international numbers via regular phone networks.
Pay-as-you-go pricing:
Only pay for the minutes you use. Enjoy cheap international calls worldwide with no subscription.
Ideal for travelers:
Perfect for tourists and travelers who want to call abroad and stay connected without roaming fees.
Extra Features:
- Contact list integration;
- Airtime top-up worldwide;
- One account for all devices;
- Optional auto top-ups;
- 24/7 customer support;
- Call recorder included.
Get Telz today – your all-in-one international calling app to make phone calls, online call, and call international numbers worldwide. All you need is an internet connection (4G, LTE, 3G, or Wi-Fi).
Telz is an easy-to-use international calling app that lets you call abroad, call international numbers, and make an online call anytime using Wi-Fi or mobile data.
Why choose Telz International Calling App?
Cheap international calls:
Make cheap international calls to any country at low rates. This cheap international calling app offers transparent pricing with no hidden fees and no balance expiry.
High-quality VoIP calls:
Enjoy crystal-clear connections with our VoIP call app, designed for stable and reliable international communication.
Call abroad anytime:
Use this online phone call app to call abroad or call overseas without expensive roaming. Stay connected wherever you are.
Easy to use:
- Install the app and start using a free phone call app
- Top up your balance in seconds
- Choose a contact or dial a number
- Make an online call or fast call abroad instantly
You can also send airtime to friends and family worldwide.
No roaming, no hidden fees:
Avoid roaming charges and enjoy full cost control. This international calling app lets you make phone calls online globally with clear pricing.
Calls over the internet:
Make an online phone call using Wi-Fi or mobile data. Our wifi calling app for android works worldwide and helps you stay connected anywhere.
Fast and reliable connection:
Experience fast call performance with optimized VoIP routes for better call quality.
Callback for unstable internet:
If your internet connection is weak, use callback to call abroad or call international numbers via regular phone networks.
Pay-as-you-go pricing:
Only pay for the minutes you use. Enjoy cheap international calls worldwide with no subscription.
Ideal for travelers:
Perfect for tourists and travelers who want to call abroad and stay connected without roaming fees.
Extra Features:
- Contact list integration;
- Airtime top-up worldwide;
- One account for all devices;
- Optional auto top-ups;
- 24/7 customer support;
- Call recorder included.
Get Telz today – your all-in-one international calling app to make phone calls, online call, and call international numbers worldwide. All you need is an internet connection (4G, LTE, 3G, or Wi-Fi).
What's new in 17.5.54
Thank you for using the VoIP international calling app Telz!
Fixes:
- Minor stability fixes
This update includes improvements to the user experience for tourists traveling between countries.
Please send all errors and suggestions to [email protected].
Fixes:
- Minor stability fixes
This update includes improvements to the user experience for tourists traveling between countries.
Please send all errors and suggestions to [email protected].