NCERT KATBOOK vs STEMQuest
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NCERT KATBOOK
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NCERT KATBOOK is your all-in-one digital educational app designed to make NCERT books freely accessible anytime, anywhere. Developed in collaboration with NCERT, it’s built for students, teachers, and lifelong learners worldwide. Enjoy an interactive and seamless reading experience that brings the future of learning into your hands — free for everyone.
STEMQuest
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STEMQuest is an educational iOS/iPadOS app designed to help students master essential academic skills through engaging, interactive learning modules. The app combines gamification with proven practice techniques to make learning fun and effective.
Screenshots
Verdict
The clearest difference is update cadence: NCERT KATBOOK at every 8 days against STEMQuest's every 4 weeks. NCERT KATBOOK also leads on iOS requirement (15.1 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
NCERT KATBOOK ships an update every 8 days, STEMQuest every 4 weeks. The most recent releases landed on March 25, 2026 and September 7, 2026 respectively.
| Parameter | NCERT KATBOOK | STEMQuest |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 days — better | Every 4 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 26.0 |
| Further details — not scored | ||
| Size | 68 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | sarath kakumanu | HANG ZHENG |
In-app purchases
NCERT KATBOOK
No in-app purchases
STEMQuest
No in-app purchases
