Comparison

Unbiased vs Mental Models

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Unbiased

Features
Read full description

Unbiased is a calm and focused space for sharpening your critical thinking. Our minds rely on mental shortcuts that help us make quick decisions. While these shortcuts are often helpful, they can sometimes work against us. Unbiased helps you notice those moments. Through lessons, reflections, and interactive exercises, the app introduces common cognitive biases, logical fallacies, and reasoning traps, and shows how to recognize them in everyday life. Whether you’re interested in psychology, curious about philosophy, or simply want to make more objective decisions, Unbiased offers a quiet place to sharpen your thinking. Terms of Service: https://unbiasedapp.com/terms Privacy Policy: https://unbiasedapp.com/privacy

About

Mental Models

Features
Read full description

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

Screenshots

Unbiased4 screens
Mental Models4 screens

Verdict

The call

Unbiased and Mental Models are too close to call on the numbers: across 5 compared parameters β€” price, ads, in-app purchases and device support among them β€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Unbiased sells 3 in-app purchases, starting at $5.99 per month and Mental Models sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
Unbiased versus Mental Models: the parameters behind the verdict, then further details
ParameterUnbiasedMental Models
PriceFreeFree
Update frequencyWeeklyβ€”
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPodiPhone, iPad, iPod β€” better
Requires iOS15.615.1 β€” better
Further details β€” not scored
Size35 MB53 MB
Age rating12+4+
DeveloperLuka CupicChristos Tsavas

In-app purchases

3 purchases

Unbiased

Subscriptions2
  • Monthly7 Days trial$5.991 Month
  • Yearly14 Days trial$34.991 Year
One-time1
  • One-Time Purchase$69.99
1 purchases

Mental Models

One-time1
  • Full Access$6.99

Questions

Is Unbiased free?
Unbiased is free to download, with in-app purchases available.
Is Mental Models free?
Mental Models is free to download, with in-app purchases available.
Do Unbiased or Mental Models have ads?
Neither Unbiased nor Mental Models shows ads.

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