Who - Caller ID, Spam Block

Name: Who - Caller ID, Spam Block
Rating: 3.4112904 (20472 reviews)
Author: RD Labs LLC

RD Labs LLC

★ 3.4 (20,472 ratings)

⬇ 5,000,000+ downloads

Est. actual: 5,475,397

Free

Released: Oct 2, 2019

IAP: $1.99 - $49.99 per item

No ads

Signals

4 this week · 3 positive All of this week's signals →

📈Last 7 days +21K installs — 33% faster than the week before (+16K) · 1.9K/day since Oct 7
🏆Among Communication apps top 1% by installs gained this week (210 peers growing)
⭐Rating steady at ★ 3.41 since Oct 7
🛠Updates actively updated · updated 16 days ago · every ~13 days (2 updates tracked)

Installs since launch

+59,983 installs · +185 ratings since Oct 7

Update history

24.7 Oct 28, 2026

24.5 Oct 15, 2026 · seen Oct 18, 2026

Who - Caller ID, Spam Block is a communication app by RD Labs LLC with 5,000,000+ downloads (about 5.5M estimated). +21K installs in the last 7 days. Rated 3.4 from 20K ratings. Released Oct 2, 2019. Install growth, rank history, SDKs and ad networks.

From the store listing: “Detect & Block Scam, Telemarketer, Fraud & Robocalls - Find out who is calling”