Know vs Mind Stretcher
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Know
Expand your knowledge across a wide range of subjects including history, science, and arts. Engage with interactive questions, learn new facts, and compete with friends to test your expertise.
- Learn about History, Science, Geography
- Improve knowledge on Arts, Sports, Film
- Answer trivia questions
- Challenge friends
- Wide range of topics covered
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Know-It-All lets you learn & improve your knowledge on various topics like History, Science, Geography, Mythology, Arts, Sports, Animals, Film, Politics, Music & Books. Answer the questions, Learn it, and challenge your friends.
Mind Stretcher
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Welcome to Mind Stretcher! As a parent or student enrolled in our lessons, you can use our app to keep up with important updates, track your learning progress, and access useful revision materials. In addition to this, you have full access to your invoices, payments, and direct contact with our customer support team. From our team at Mind Stretcher, we look forward to supporting you in your educational journey.
Screenshots
Verdict
The clearest difference is in-app purchases: Mind Stretcher at none against Know's 1. Know's advantage is iOS requirement (13.0 vs 15.1). On price, update cadence, ads 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. Know sells 1 one-off in-app purchase. Mind Stretcher asks for nothing beyond the download.
Know ships an update weekly, Mind Stretcher fortnightly. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.
| Parameter | Know | Mind Stretcher |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Weekly — better | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 21 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Amal TS | Mind Stretcher |
In-app purchases
Know
- Remove Ads$0.99
Mind Stretcher
No in-app purchases
