Quick Key: Paper Grading icon

Quick Key: Paper Grading

Thirty Seven, Inc.
★ 3.7 (254 ratings)
⬇ 10,000+ downloads
Est. actual: 33,141
Free
Released: Feb 19, 2015
No in-app purchases
No ads

Signals

4 this week · 4 positive All of this week's signals →
  • 📈Last 7 days +43 installs — 30% faster than the week before (+33) · 5/day since Oct 7
  • 🏆Among Education apps top 12% by installs gained this week (1707 peers growing)
  • ⭐Rating ★ 3.58 → 3.66 since Oct 7
  • 🛠Updates actively updated · updated 10 days ago
Installs since launch
0 17K 33K 33K Feb 19, 2015 today
+133 installs · 0 ratings since Oct 7
Update history
0.2.2 Nov 1, 2026 · seen Oct 16, 2026
- Fix issue with sign in for certain devices
Only the current version so far — new entries appear as the app ships updates.

Quick Key: Paper Grading is an education app by Thirty Seven, Inc. with 10,000+ downloads (about 33K estimated). +43 installs in the last 7 days. Rated 3.7 from 254 ratings. Released Feb 19, 2015. Install growth, rank history, SDKs and ad networks.

From the store listing: “Scan bubble sheets, grade paper quizzes and review class results on your phone”