Notan: Grade Calculator

Name: Notan: Grade Calculator
Rating: 4.9333334 (2883 reviews)
Author: Tien Nam Do

Tien Nam Do

★ 4.9 (2,883 ratings)

⬇ 500,000+ downloads

Est. actual: 868,642

Free

Released: Jan 4, 2020

IAP: $4.99 per item

Contains ads

Rated: Everyone

Signals

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

📈Last 7 days +4.8K installs — 10% faster than the week before (+4.3K) · 514/day since Sep 30
🏆Among Education apps top 1% by installs gained this week (2011 peers growing)
⭐Rating steady at ★ 4.93 since Sep 30
🛠Updates quiet · updated 34 days ago · every ~12 days (3 updates tracked)
🍎App Store ★ 4.60 on 57 ratings · +1 ratings this week · on iOS since Jan 4 Notan ↗
🔁Ownership renamed from Tien Do Nam to Tien Nam Do · Oct 15, 2026

Installs since launch

+17,976 installs · +102 ratings since Sep 30

Reviews

No reviews in the last 30 days (26 stored since Dec 14).

Update history

2.22.0 Oct 10, 2026 · seen Oct 15, 2026

Performance improvements and bug fixes

2.21.0 Oct 2, 2026

Performance improvements and bug fixes

2.20.0 Sep 16, 2026 · seen Sep 30, 2026

Performance improvements and bug fixes

Notan: Grade Calculator is an education app by Tien Nam Do with 500,000+ downloads (about 869K estimated). +4.8K installs in the last 7 days. Rated 4.9 from 2.9K ratings. Released Jan 4, 2020. Install growth, rank history, SDKs and ad networks.

From the store listing: “Notan – Your personal academic assistant. Track smarter. Study better. Succeed with AI. 🎓 Succeed with Confidence Notan isn’t just a grade calculator – it’s your intelligent academic companion. Whether you're a driven student, a supportive parent, or an organized learner, Notan empowers you with clarity, structure,…”