Octocaller Downloads & RevenueOctocaller: Spam Blocker · Google Play
Not in a tracked Google Play top chart right now.
Updated 3 Nov 2026 · rankings refresh through the day
DeveloperMaster App Solutions
CategoryCommunication
PriceFree
Released
Installs10k+
Rating★ 4.2 (522)
Updated
Content ratingEveryone
Octocaller: Spam Blocker update history & changes
Last change · 3 events since 20 May 2020Full timeline ↓Full timeline · 2 events in the last 12 months
- 🆕Octocaller: Spam Blocker first spotted by AppInsiderUnited States (found via similar)
- 🆕Octocaller: Spam Blocker released on Google Play
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
4.2 ★
522 ratings
Measured
Octocaller: Spam Blocker on Google Play
App details
App ID
cz.master.octocaller
Publisher
MasterDC s.r.o.
Publisher country
Czechia
Content rating
Everyone
Octocaller: Spam Blocker 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.
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 Octocaller: Spam Blocker before Apple and Google take their fee.
How this is calculated
Not on any Top Grossing chart: monthly active users × spend per user for its category, measured on the charted apps nearest the bottom of the charts.
Business model: In-app purchase-led
How Octocaller: Spam Blocker makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Where it ranks on Google Play
Every top 200 chart it appears in across 23 countries.
| Country | Charts | Rank |
|---|---|---|
| Not in a Google Play top chart right now. | ||
Ratings
Google Play, worldwide.
Rating
4.2 ★
522 ratings
Measured
Ratings
522
Measured
Written reviews
13
Measured
About Octocaller: Spam Blocker
GET ACCESS TO THE LARGEST SPAM NUMBERS DATABASE!
OctoCaller is a reverse phone lookup tool that helps you identify & block
- spam calls
- scam calls
- telemarketing calls
- robocalls
- unknown numbers
Protect your time & block all unwanted numbers!
MAIN FEATURES:
- The largest spam numbers database
- Reverse phone lookup
- Caller ID
- Call blocker
- Reported numbers list
- Dual SIM support
- Do not disturb
THE LARGEST SPAM NUMBERS DATABASE
Our numbers database has over 52,000,000 unique phone numbers. Members of our community are adding new spam callers every day to help others protect themselves and their time.
REVERSE PHONE LOOKUP
Search for any number before calling back. See if it is spam, scam, telemarketing, suspicious, or a trustworthy call.
CALLER ID
OctoCaller identifies all incoming calls for you. You will know instantly if you should answer. You can also choose to block all spam calls in our database automatically.
CALL DETECTOR
Identify & block all unwanted calls. Modify your settings to block the type of callers you want. You will never hear from those annoying telemarketers again.
REPORTED NUMBERS LIST
Add numbers to your own report list. Choose if you want to identify them or block the call outright. You can also transfer your report list from one phone to another with a OctoCaller account.
DUAL SIM SUPPORT
Do you travel a lot? Do you have 2 SIM cards in your phone? No worries. OctoCaller automatically works for both SIM cards and will identify all incoming calls.
DO NOT DISTURB
Have a quiet moment for as long as you need! Do you need privacy for a necessary meeting? With this feature you can choose a time interval when you won't be interrupted by any incoming call.
____________________
TRY OCTOCALLER FOR FREE
You can try our call blocker for free and see if it suits you. The premium account gives you:
- access to the personalised report list
- access to a large database of spam phone numbers
Block spam calls with OctoCaller!
The best reverse phone lookup tool.
Privacy Policy: https://www.octocaller.com/privacy-policy/
Terms of Use: https://www.octocaller.com/terms-of-service/
OctoCaller is a reverse phone lookup tool that helps you identify & block
- spam calls
- scam calls
- telemarketing calls
- robocalls
- unknown numbers
Protect your time & block all unwanted numbers!
MAIN FEATURES:
- The largest spam numbers database
- Reverse phone lookup
- Caller ID
- Call blocker
- Reported numbers list
- Dual SIM support
- Do not disturb
THE LARGEST SPAM NUMBERS DATABASE
Our numbers database has over 52,000,000 unique phone numbers. Members of our community are adding new spam callers every day to help others protect themselves and their time.
REVERSE PHONE LOOKUP
Search for any number before calling back. See if it is spam, scam, telemarketing, suspicious, or a trustworthy call.
CALLER ID
OctoCaller identifies all incoming calls for you. You will know instantly if you should answer. You can also choose to block all spam calls in our database automatically.
CALL DETECTOR
Identify & block all unwanted calls. Modify your settings to block the type of callers you want. You will never hear from those annoying telemarketers again.
REPORTED NUMBERS LIST
Add numbers to your own report list. Choose if you want to identify them or block the call outright. You can also transfer your report list from one phone to another with a OctoCaller account.
DUAL SIM SUPPORT
Do you travel a lot? Do you have 2 SIM cards in your phone? No worries. OctoCaller automatically works for both SIM cards and will identify all incoming calls.
DO NOT DISTURB
Have a quiet moment for as long as you need! Do you need privacy for a necessary meeting? With this feature you can choose a time interval when you won't be interrupted by any incoming call.
____________________
TRY OCTOCALLER FOR FREE
You can try our call blocker for free and see if it suits you. The premium account gives you:
- access to the personalised report list
- access to a large database of spam phone numbers
Block spam calls with OctoCaller!
The best reverse phone lookup tool.
Privacy Policy: https://www.octocaller.com/privacy-policy/
Terms of Use: https://www.octocaller.com/terms-of-service/
What's new in 1.13.1
* Application