Crystal Hearing Aid icon

Crystal Hearing Aid

The Sun App Developers

★ 3.5 (38 ratings)

⬇ 10,000+ downloads

Est. actual: 19,330

Free

Released: Jan 23, 2017

No in-app purchases

Contains ads

Signals

4 this week · 1 positive · 2 warnings All of this week's signals →

📈Last 7 days +2 installs — 33% slower than the week before (+3) · 0/day since Oct 9
🏆Among Music & Audio apps bottom 14% by installs gained this week (168 peers growing)
⭐Rating steady at ★ 3.48 since Oct 9
🛠Updates dormant · updated 309 days ago

Installs since launch

+5 installs · 0 ratings since Oct 9

Update history

31.1 Jan 6, 2026 · seen Oct 21, 2026

Bugs are fixed and libs are updated.

Only the current version so far — new entries appear as the app ships updates.

Crystal Hearing Aid is a music & audio app by The Sun App Developers with 10,000+ downloads (about 19K estimated). +2 installs in the last 7 days. Rated 3.5 from 38 ratings. Released Jan 23, 2017. Install growth, rank history, SDKs and ad networks.

From the store listing: “App amplifies noisy input sound from the microphone straight to your headphones.”