Comparison

Lucid 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

Lucid

Features
Read full description

Do you think clearly? No one does. Your brain runs on shortcuts. Biases. Fallacies. Patterns you can't see. They shape every decision you make. Β  Lucid names them. 169 of them. One per day. Four tracks. No filler. Blind Spots, cognitive biasesΒ  Undone, logical fallaciesΒ  Razor, mental models Wired, psychological phenomena

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

Lucid4 screens
Mental Models4 screens

Verdict

The call

The clearest difference is in-app purchases: Lucid at none against Mental Models's 1. Mental Models's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 18.6). On price and ads there is nothing between them.

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. Mental Models sells 1 one-off in-app purchase. Lucid asks for nothing beyond the download.

Scorecard3 real differences Β· 2 level
Lucid versus Mental Models: the parameters behind the verdict, then further details
ParameterLucidMental Models
PriceFreeFree
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhoneiPhone, iPad, iPod β€” better
Requires iOS18.615.1 β€” better
Further details β€” not scored
Size3 MB53 MB
Age rating4+4+
DeveloperSaad NasserChristos Tsavas

In-app purchases

None

Lucid

No in-app purchases

1 purchases

Mental Models

One-time1
  • Full Access$6.99

Questions

Is Lucid free?
Lucid is free to download, with no in-app purchases.
Is Mental Models free?
Mental Models is free to download, with in-app purchases available.
Do Lucid or Mental Models have ads?
Neither Lucid nor Mental Models shows ads.

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