Binary Challenge vs Mental Models
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Binary Challenge
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Convert as many binary numbers you can in 1 minute
Mental Models
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The sharpest thinkers don't just work harder, they think differently. Mind Models teaches you the mental frameworks used by the world's best decision-makers, investors, and leaders, one lesson at a time. Whether you want to make better decisions, solve hard problems, lead more effectively, or just think more clearly, Mind Models builds a personalized curriculum around your goal and grows with you. 50+ Mental Models Curated and Explained. From First Principles and Inversion to the Pareto Principle and Sunk Cost Fallacy, each lesson breaks down a powerful thinking tool with clear explanations and real-world examples that make it actually stick. Personalized to Your Goal Tell Mind Models what you're working on. We sequence your entire learning path around it, no two paths are the same. Built Around How Humans Actually Learn Spaced repetition resurfaces lessons at exactly the right intervals Daily streaks keep you consistent and motivated One focused model per session. No overwhelm, just fun and easy progress
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Verdict
The clearest difference is in-app purchases: Binary Challenge at none against Mental Models's 1. On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Mental Models sells 1 one-off in-app purchase. Binary Challenge asks for nothing beyond the download.
| Parameter | Binary Challenge | Mental Models |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 61 months | โ |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.1 โ better |
| Further details โ not scored | ||
| Size | 3 MB | 53 MB |
| Age rating | 4+ | 4+ |
| Developer | Ola Kaare Risa | Christos Tsavas |
In-app purchases
Binary Challenge
No in-app purchases
Mental Models
- Full Access$6.99
Questions
Is Binary Challenge free?
Is Mental Models free?
Do Binary Challenge or Mental Models have ads?
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