SkyPhone - Voice & Video Calls: iPhone vs Android
SkyPhone - Voice & Video Calls gets 500+ downloads a day worldwide (AppInsider estimate, September 2026, rounded down to a band).
SkyPhone - Voice & Video Calls by QuadSystem Co., Ltd. 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
3.6 ★
10k ratings, both stores
Measured
Best rank now
#62
Android · 
Social Free
Social FreeMeasured
App Store
App details
App ID
789570237
Publisher
QUAD SYSTEM, K.K.
Publisher country
Japan
Content rating
17+
Google Play
App details
App ID
jp.co.quadsystem.skyphone
Publisher
QUAD SYSTEM, K.K.
Publisher country
Japan
Content rating
Mature 17+
SkyPhone - Voice & Video Calls downloads & installs
Both stores, worldwide. Bands are open; exact numbers are free with an account.
| Store | Downloads / day | Lifetime installs |
|---|---|---|
| iPhone | 100+ | 100k+ |
| Google Play | 100+ | 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 SkyPhone - Voice & Video Calls'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 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 SkyPhone - Voice & Video Calls makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds · 5 ad networks
One-off purchases
/mo
of revenue
Ads
/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 | 3.6 ★ | 2.3k |
| Google Play | 3.6 ★ | 7.9k 166 written reviews |
| Both stores | 3.6 ★ weighted by ratings | 10k |
About SkyPhone - Voice & Video Calls
SkyPhone - Voice & Video Calls
Over 12 Million Downloads!
SkyPhone is a simple and free calling app.
Just listen and you'll soon notice the high quality sound.
You can start using the app without having to register your personal information.
Enter your profile and share your SkyPhone number with friends and family.
SkyPhone users can enjoy the clear, high-quality voice calls on SkyPhone for FREE.
Simple UI !
The Allow Contacts Only feature blocks calls from unregistered contacts.
You can connect only to those who you want to. Use SkyPhone as a dedicated phone app to make calls to your loved ones.
The Noise Cancel Feature allows you to hear the other person more clearly and talk without any problems even if you're in a large crowd of people.
If you set the Call Sound Quality setting to Low, you can enjoy talking for a long time even if you are in an area with a weak signal or your data speed is reduced.
[What's outstanding?]
- Clear voice call with a high quality sound
- No registration is required
[Main Features]
- Free voice calls
- Free video calls
- Point-Paid calls function
- Messaging function
- Allow Contacts Only function
- Do Not Disturb function
- What's New function
- SkyPhone Number Transfer function
- Incoming and Outgoing Call History
- Contact List
- Mute, speaker and noise canceling function
- Set your favorite ringtone
Click the URL below for the FAQ of SkyPhone.
https://www.skyphone.jp/en/support
+++++++++++++++++
Check our updates such as our present campaign info and release info of new application version on our blog.
https://www.skyphone.jp/blog/en
+++++++++++++++++
[Requirement]
- iOS 13.0 or later
[Notice]
- Voice calls with SkyPhone are only available between SkyPhone users.
- Data communication takes place in the use of the service. You are responsible for the data charges.
- Please refer to the Terms of Use for information about the use of the service.
- We don't guarantee that the app works correctly in older verisons than the latest one. Therefore, you might find a problem in older versions depending on your device.
[Contact Us]
https://www.skyphone.jp/en/form/inquiry
Over 12 Million Downloads!
SkyPhone is a simple and free calling app.
Just listen and you'll soon notice the high quality sound.
You can start using the app without having to register your personal information.
Enter your profile and share your SkyPhone number with friends and family.
SkyPhone users can enjoy the clear, high-quality voice calls on SkyPhone for FREE.
Simple UI !
The Allow Contacts Only feature blocks calls from unregistered contacts.
You can connect only to those who you want to. Use SkyPhone as a dedicated phone app to make calls to your loved ones.
The Noise Cancel Feature allows you to hear the other person more clearly and talk without any problems even if you're in a large crowd of people.
If you set the Call Sound Quality setting to Low, you can enjoy talking for a long time even if you are in an area with a weak signal or your data speed is reduced.
[What's outstanding?]
- Clear voice call with a high quality sound
- No registration is required
[Main Features]
- Free voice calls
- Free video calls
- Point-Paid calls function
- Messaging function
- Allow Contacts Only function
- Do Not Disturb function
- What's New function
- SkyPhone Number Transfer function
- Incoming and Outgoing Call History
- Contact List
- Mute, speaker and noise canceling function
- Set your favorite ringtone
Click the URL below for the FAQ of SkyPhone.
https://www.skyphone.jp/en/support
+++++++++++++++++
Check our updates such as our present campaign info and release info of new application version on our blog.
https://www.skyphone.jp/blog/en
+++++++++++++++++
[Requirement]
- iOS 13.0 or later
[Notice]
- Voice calls with SkyPhone are only available between SkyPhone users.
- Data communication takes place in the use of the service. You are responsible for the data charges.
- Please refer to the Terms of Use for information about the use of the service.
- We don't guarantee that the app works correctly in older verisons than the latest one. Therefore, you might find a problem in older versions depending on your device.
[Contact Us]
https://www.skyphone.jp/en/form/inquiry
SkyPhone - Voice & Video Calls iPhone
SkyPhone - 高音質通話アプリ
SkyPhone - Voice & Video Calls gets 500+ downloads a day worldwide (AppInsider estimate, September 2026, rounded down to a band).
SkyPhone - Voice & Video Calls is #107 in Social Networking Free in Japan and charting in 3 of 24 countries we track.
Updated 27 Sep 2026 · rankings refresh through the day
DeveloperQuadSystem Co., Ltd.
CategorySocial Networking
PriceFree
Released
Rating★ 3.6 (2.3k)
Version1.11.5
Age rating17+
First seen by us 26 Sep 2026
26 Sep 2026Installs (est.)100k+ worldwide
Rating
3.6 ★
2.3k ratings
Measured
Best rank now
#107
Social Networking FreeMeasured
SkyPhone - Voice & Video Calls on the App Store
App details
App ID
789570237
Publisher
QUAD SYSTEM, K.K.
Publisher country
Japan
Content rating
17+
SkyPhone - Voice & Video Calls 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 SkyPhone - Voice & Video Calls'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 SkyPhone - Voice & Video Calls 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 SkyPhone - Voice & Video Calls makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds · 5 ad networks
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Where it ranks now
Every top chart it appears in across 24 countries.
| Country | Charts | Rank |
|---|---|---|
| Japan | Social NetworkingFree | #107 |
 Saudi Arabia | Social NetworkingFree | #153 |
 United Arab Emirates | Social NetworkingFree | #183 |
Apps near SkyPhone - Voice & Video Calls on the chart
Social Networking Free, around #107.
Ratings
App Store, worldwide.
Rating
3.6 ★
2.3k ratings
Measured
Ratings
2.3k
Measured
About SkyPhone - Voice & Video Calls
SkyPhone - Voice & Video Calls
Over 12 Million Downloads!
SkyPhone is a simple and free calling app.
Just listen and you'll soon notice the high quality sound.
You can start using the app without having to register your personal information.
Enter your profile and share your SkyPhone number with friends and family.
SkyPhone users can enjoy the clear, high-quality voice calls on SkyPhone for FREE.
Simple UI !
The Allow Contacts Only feature blocks calls from unregistered contacts.
You can connect only to those who you want to. Use SkyPhone as a dedicated phone app to make calls to your loved ones.
The Noise Cancel Feature allows you to hear the other person more clearly and talk without any problems even if you're in a large crowd of people.
If you set the Call Sound Quality setting to Low, you can enjoy talking for a long time even if you are in an area with a weak signal or your data speed is reduced.
[What's outstanding?]
- Clear voice call with a high quality sound
- No registration is required
[Main Features]
- Free voice calls
- Free video calls
- Point-Paid calls function
- Messaging function
- Allow Contacts Only function
- Do Not Disturb function
- What's New function
- SkyPhone Number Transfer function
- Incoming and Outgoing Call History
- Contact List
- Mute, speaker and noise canceling function
- Set your favorite ringtone
Click the URL below for the FAQ of SkyPhone.
https://www.skyphone.jp/en/support
+++++++++++++++++
Check our updates such as our present campaign info and release info of new application version on our blog.
https://www.skyphone.jp/blog/en
+++++++++++++++++
[Requirement]
- iOS 13.0 or later
[Notice]
- Voice calls with SkyPhone are only available between SkyPhone users.
- Data communication takes place in the use of the service. You are responsible for the data charges.
- Please refer to the Terms of Use for information about the use of the service.
- We don't guarantee that the app works correctly in older verisons than the latest one. Therefore, you might find a problem in older versions depending on your device.
[Contact Us]
https://www.skyphone.jp/en/form/inquiry
Over 12 Million Downloads!
SkyPhone is a simple and free calling app.
Just listen and you'll soon notice the high quality sound.
You can start using the app without having to register your personal information.
Enter your profile and share your SkyPhone number with friends and family.
SkyPhone users can enjoy the clear, high-quality voice calls on SkyPhone for FREE.
Simple UI !
The Allow Contacts Only feature blocks calls from unregistered contacts.
You can connect only to those who you want to. Use SkyPhone as a dedicated phone app to make calls to your loved ones.
The Noise Cancel Feature allows you to hear the other person more clearly and talk without any problems even if you're in a large crowd of people.
If you set the Call Sound Quality setting to Low, you can enjoy talking for a long time even if you are in an area with a weak signal or your data speed is reduced.
[What's outstanding?]
- Clear voice call with a high quality sound
- No registration is required
[Main Features]
- Free voice calls
- Free video calls
- Point-Paid calls function
- Messaging function
- Allow Contacts Only function
- Do Not Disturb function
- What's New function
- SkyPhone Number Transfer function
- Incoming and Outgoing Call History
- Contact List
- Mute, speaker and noise canceling function
- Set your favorite ringtone
Click the URL below for the FAQ of SkyPhone.
https://www.skyphone.jp/en/support
+++++++++++++++++
Check our updates such as our present campaign info and release info of new application version on our blog.
https://www.skyphone.jp/blog/en
+++++++++++++++++
[Requirement]
- iOS 13.0 or later
[Notice]
- Voice calls with SkyPhone are only available between SkyPhone users.
- Data communication takes place in the use of the service. You are responsible for the data charges.
- Please refer to the Terms of Use for information about the use of the service.
- We don't guarantee that the app works correctly in older verisons than the latest one. Therefore, you might find a problem in older versions depending on your device.
[Contact Us]
https://www.skyphone.jp/en/form/inquiry
Latest updates
1.11.5
- Bug fixes.
SkyPhone - Voice & Video Calls Android
SkyPhone - Voice & Video Calls gets 500+ downloads a day worldwide (AppInsider estimate, September 2026, rounded down to a band).
SkyPhone - Voice & Video Calls is #62 in Social Free on Google Play in Japan and charting in 1 of 15 countries we track.
Updated 27 Sep 2026 · rankings refresh through the day
DeveloperQuadSystem Co., Ltd.
CategorySocial
PriceFree
Released
Installs1M+
Rating★ 3.6 (7.9k)
Updated
Content ratingMature 17+
Rating
3.6 ★
7.9k ratings
Measured
Best rank now
#62
Social FreeMeasured
SkyPhone - Voice & Video Calls on Google Play
App details
App ID
jp.co.quadsystem.skyphone
Publisher
QUAD SYSTEM, K.K.
Publisher country
Japan
Content rating
Mature 17+
SkyPhone - Voice & Video Calls 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 SkyPhone - Voice & Video Calls'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 SkyPhone - Voice & Video Calls 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 SkyPhone - Voice & Video Calls makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds · 5 ad networks
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Where it ranks on Google Play
Every top 200 chart it appears in across 15 countries.
| Country | Charts | Rank |
|---|---|---|
| Japan | SocialFree | #62 |
| Japan | SocialGrossing | #145 |
Apps near SkyPhone - Voice & Video Calls on the chart
Social Free, around #62.
Ratings
Google Play, worldwide.
Rating
3.6 ★
7.9k ratings
Measured
Ratings
7.9k
Measured
Written reviews
166
Measured
About SkyPhone - Voice & Video Calls
Over 10 Million Downloads!
SkyPhone is a simple and free calling app.
Just listen and you'll soon notice the high quality sound.
You can start using the app without having to register your personal information.
Enter your profile and share your SkyPhone number with friends and family.
SkyPhone users can enjoy the clear, high-quality voice calls on SkyPhone for FREE.
Simple UI !
The Allow Contacts Only feature blocks calls from unregistered contacts.
You can connect only to those who you want to. Use SkyPhone as a dedicated phone app to make calls to your loved ones.
The Noise Cancel Feature allows you to hear the other person more clearly and talk without any problems even if you're in a large crowd of people.
If you set the Call Sound Quality setting to Low, you can enjoy talking for a long time even if you are in an area with a weak signal or your data speed is reduced.
[What's outstanding?]
- Clear voice call with a high quality sound
- No registration is required
[Main Features]
- Free voice calls
- Free video calls
- Point-Paid calls function
- Messaging function
- Allow Contacts Only function
- Do Not Disturb function
- What's New function
- SkyPhone Number Transfer function
- Incoming and Outgoing Call History
- Contact List
- Mute, speaker and noise canceling function
- Set your favorite ringtone
Click the URL below for the FAQ of SkyPhone.
https://www.skyphone.jp/en/support/
Note: Please refer to the following URL about the incoming call failures on the HUAWEI or ZenFone device.
https://www.skyphone.jp/blog/en/cat/device_en/
+++++++++++++++++
Check our updates such as our present campaign info and release info of new application version on our blog.
https://www.skyphone.jp/blog/en/
+++++++++++++++++
[Requirement]
- Android 5.0 or later
[Notice]
- Voice calls with SkyPhone are only available between SkyPhone users.
- Data communication takes place in the use of the service. You are responsible for the data charges.
- Even if your device meets the requirements, voice and video calling functions may not work correctly on some devices. In that case, please refer to the FAQ or contact our support team.
[Contact Us]
https://www.skyphone.jp/en/form/inquiry
SkyPhone is a simple and free calling app.
Just listen and you'll soon notice the high quality sound.
You can start using the app without having to register your personal information.
Enter your profile and share your SkyPhone number with friends and family.
SkyPhone users can enjoy the clear, high-quality voice calls on SkyPhone for FREE.
Simple UI !
The Allow Contacts Only feature blocks calls from unregistered contacts.
You can connect only to those who you want to. Use SkyPhone as a dedicated phone app to make calls to your loved ones.
The Noise Cancel Feature allows you to hear the other person more clearly and talk without any problems even if you're in a large crowd of people.
If you set the Call Sound Quality setting to Low, you can enjoy talking for a long time even if you are in an area with a weak signal or your data speed is reduced.
[What's outstanding?]
- Clear voice call with a high quality sound
- No registration is required
[Main Features]
- Free voice calls
- Free video calls
- Point-Paid calls function
- Messaging function
- Allow Contacts Only function
- Do Not Disturb function
- What's New function
- SkyPhone Number Transfer function
- Incoming and Outgoing Call History
- Contact List
- Mute, speaker and noise canceling function
- Set your favorite ringtone
Click the URL below for the FAQ of SkyPhone.
https://www.skyphone.jp/en/support/
Note: Please refer to the following URL about the incoming call failures on the HUAWEI or ZenFone device.
https://www.skyphone.jp/blog/en/cat/device_en/
+++++++++++++++++
Check our updates such as our present campaign info and release info of new application version on our blog.
https://www.skyphone.jp/blog/en/
+++++++++++++++++
[Requirement]
- Android 5.0 or later
[Notice]
- Voice calls with SkyPhone are only available between SkyPhone users.
- Data communication takes place in the use of the service. You are responsible for the data charges.
- Even if your device meets the requirements, voice and video calling functions may not work correctly on some devices. In that case, please refer to the FAQ or contact our support team.
[Contact Us]
https://www.skyphone.jp/en/form/inquiry
What's new in 1.11.2
[Ver.1.11.2]
- Updated libraries.
- Bug fixes.
[Ver.1.11.1]
- Updated the minimum supported OS version to Android 7.0.
- Updated the library for showing in-app ads.
- Bug fixes.
- Updated libraries.
- Bug fixes.
[Ver.1.11.1]
- Updated the minimum supported OS version to Android 7.0.
- Updated the library for showing in-app ads.
- Bug fixes.