📈Last 7 days+7 installs — 36% slower than the week before (+11) · 1/day since Oct 8
🏆Among Tools appstop 46% by installs gained this week (1278 peers growing)
⭐Rating steady at ★ 3.30 since Oct 8
🛠Updatesdormant · updated 258 days ago
Installs since launch
+18 installs
· +1 ratings
since Oct 8
Update history
31.1Feb 26, 2026 · seen Oct 23, 2026
Bug fixed. UI improvements and new tools.
Only the current version so far — new entries appear as the app ships updates.
Hearing Aid Master (Crystal) is a tools app by Sennikpro with 50,000+ downloads (about 72K estimated). +7 installs in the last 7 days. Rated 3.3 from 238 ratings. Released Dec 28, 2015. Install growth, rank history, SDKs and ad networks.
From the store listing: “Hearing Aid Master amplifies sound from microphone straight to your headphones.”