Snellen Chart icon

Snellen Chart

Zijian
★ 4.3 (44 ratings)
⬇ 10,000+ downloads
Est. actual: 27,486
Free
Released: Nov 7, 2019
No in-app purchases
No ads

Signals

5 this week · 2 positive · 1 warning All of this week's signals →
  • 📈Last 7 days +164 installs — 36% slower than the week before (+255) · 24/day since Oct 7
  • 🏆Among Medical apps top 2% by installs gained this week (125 peers growing)
  • ⭐Rating steady at ★ 4.33 since Oct 7
  • 🛠Updates actively updated · updated 24 days ago · every ~199 days (2 updates tracked)
  • 🔁Ownership renamed from Fonlow to Zijian · Nov 6, 2026
Installs since launch
0 14K 27K 27K Nov 7, 2019 today
+730 installs · +1 ratings since Oct 7
Update history
3.0 Oct 18, 2026 · seen Oct 28, 2026
1. For plotting trend graphs, VA notation can be LogMAR, MAR, VAS, or Five Point.<br>2. Support the Five Point VA notation.<br>3. Support exporting scores for all testees as a JSON file.
2.7.1 Apr 2, 2026 · seen Oct 17, 2026
1. Support 16KB Memory Page Sizes.<br>2. arm64-v8a only.<br>3. Adjust the privacy policy to clearly state the data usage.

Snellen Chart is a medical app by Zijian with 10,000+ downloads (about 27K estimated). +164 installs in the last 7 days. Rated 4.3 from 44 ratings. Released Nov 7, 2019. Install growth, rank history, SDKs and ad networks.

From the store listing: “Measure distant visual acuity”