Calldefy: Spam Call Blocker Android
Calldefy: Spam Call Blocker gets 1k+ downloads a day worldwide (AppInsider estimate, October 2026, rounded down to a band).
Calldefy: Spam Call Blocker is #19 in Communication Free on Google Play in Vietnam and charting in 1 of 23 countries we track.
Updated 24 Oct 2026 · rankings refresh through the day
DeveloperScamX Solution
CategoryCommunication
PriceFree
Released
Installs50k+
Rating–
Updated–
Content ratingEveryone
Best rank now
#19
Communication FreeMeasured
Calldefy: Spam Call Blocker on Google Play
App details
App ID
com.callerx.callerid.blocker
Publisher
Le Tuan Anh
Publisher country
Vietnam
Content rating
Everyone
Calldefy: Spam Call 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.
Where Calldefy: Spam Call Blocker'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.
Business model: Ad-led
How Calldefy: Spam Call Blocker makes money: subscriptions, one-off purchases and ads.
Ads · 26 ad networks
Ads
/mo
of revenue
Where it ranks on Google Play
Every top 200 chart it appears in across 23 countries.
| Country | Charts | Rank |
|---|---|---|
| Vietnam | CommunicationFree | #19 |
Apps near Calldefy: Spam Call Blocker on the chart
Communication Free, around #19.
About Calldefy: Spam Call Blocker
Stay protected from spam and scam calls with Calldefy — community-powered caller ID and spam protection.
Block unknown calls with Calldefy — a trusted call blocking app for Android. Our real-time unknown call blocker reveals who is calling instantly. Know who is calling before you answer — Calldefy shields you from spam, scam, and unwanted interruptions.
📞 Know Caller Name & Id Blocker
- Know caller name and get call details in real time — even for unsaved numbers.
- Id blocker: block spam number, scam calls and unwanted callers with smart filtering.
- Call blocking app for Android — block number, spam number blocker, and scam shield.
🔍 Phone Lookup & Dialer
- Caller ID spam call blocker: identify businesses, spam numbers, and unknown callers.
- Know who is calling with spam number blocker — even for unsaved contacts.
- Built-in Dialer to check call details, look up numbers, and call friends & family.
💡 Dual SIM Manager & Smart Lookup
- Manage 2 SIM cards intelligently — auto-detect carrier and reduce call costs.
- Smart call identifier: pinpoint unknown callers and block spam number before pickup.
- Calldefy learns your habits to suggest the best SIM for every outgoing call.
✔️ Call Logs & History
- View all incoming, outgoing, and missed call details in one organized place.
- Track call activity with a smart, detailed call log.
🌐 Trusted Caller Community
- Spam number blocker powered by a growing trusted caller community network.
- Real-time alerts for unknown calls, scam numbers, and telemarketing attempts.
- Smart spam call blocker: every community report makes our id blocker stronger.
🛡 Calldefy — Defy Every Unwanted Call
In a world full of spam and scam calls, Calldefy gives you complete control. "Defy" means fighting back — blocking unknown calls, revealing caller ID and spam protection details, and keeping scammers away.
With Calldefy: know caller name, block spam, and ensure only the calls that matter reach you.
⛔ Fewer interruptions, fewer scams — enjoy a safer calling experience.
📲 Download Calldefy now and defy every unwanted call!
Block unknown calls with Calldefy — a trusted call blocking app for Android. Our real-time unknown call blocker reveals who is calling instantly. Know who is calling before you answer — Calldefy shields you from spam, scam, and unwanted interruptions.
📞 Know Caller Name & Id Blocker
- Know caller name and get call details in real time — even for unsaved numbers.
- Id blocker: block spam number, scam calls and unwanted callers with smart filtering.
- Call blocking app for Android — block number, spam number blocker, and scam shield.
🔍 Phone Lookup & Dialer
- Caller ID spam call blocker: identify businesses, spam numbers, and unknown callers.
- Know who is calling with spam number blocker — even for unsaved contacts.
- Built-in Dialer to check call details, look up numbers, and call friends & family.
💡 Dual SIM Manager & Smart Lookup
- Manage 2 SIM cards intelligently — auto-detect carrier and reduce call costs.
- Smart call identifier: pinpoint unknown callers and block spam number before pickup.
- Calldefy learns your habits to suggest the best SIM for every outgoing call.
✔️ Call Logs & History
- View all incoming, outgoing, and missed call details in one organized place.
- Track call activity with a smart, detailed call log.
🌐 Trusted Caller Community
- Spam number blocker powered by a growing trusted caller community network.
- Real-time alerts for unknown calls, scam numbers, and telemarketing attempts.
- Smart spam call blocker: every community report makes our id blocker stronger.
🛡 Calldefy — Defy Every Unwanted Call
In a world full of spam and scam calls, Calldefy gives you complete control. "Defy" means fighting back — blocking unknown calls, revealing caller ID and spam protection details, and keeping scammers away.
With Calldefy: know caller name, block spam, and ensure only the calls that matter reach you.
⛔ Fewer interruptions, fewer scams — enjoy a safer calling experience.
📲 Download Calldefy now and defy every unwanted call!