# ThinkBetter vs Learn Claude 90 Days Course

The clearest difference is update cadence: Learn Claude 90 Days Course at every 2 days against ThinkBetter's monthly. ThinkBetter's advantage is iOS requirement (15.1 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ThinkBetter sells 9 in-app purchases, starting at $0.99 per month and Learn Claude 90 Days Course sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ThinkBetter ships an update monthly, Learn Claude 90 Days Course every 2 days. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | ThinkBetter | Learn Claude 90 Days Course |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/thinkbetter-critical-thinking/id6459831884/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 49 MB | 14 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bits of WOW](https://appshunter.io/developer/1776170955) | [Gianluigi Grassi](https://appshunter.io/developer/1848540385) |

## What reviewers say

### ThinkBetter

[App page](https://appshunter.io/ios/app/thinkbetter-critical-thinking/id6459831884)

Enhance your decision-making and understanding of the world by learning about cognitive biases and mental models. This app offers weekly insights, real-life examples, and quizzes to help you master these concepts for personal and professional growth.

**Highlights:** Weekly "brain concept" unlocked, Real-life examples and applications, Daily life decoder, Gorgeous illustrations, Interactive training program, Path selection for goals, Understanding quizzes, Podcast-style audio narration

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Special Offer Subscription | $0.99 | per month |
| Full Access Super Promo | $0.99 | per month |
| Monthly Subscription | $1.99 | per month |
| Full Access Super Promo | $4.99 | one-time |
| ThinkBetter Plus | $5.99 | one-time |
| Full Access Special Offer | $7.99 | one-time |
| ThinkBetter Plus | $7.99 | one-time |
| Full Access | $9.99 | one-time |
| ThinkBetter Plus | $9.99 | one-time |


### Learn Claude 90 Days Course

[App page](https://appshunter.io/ios/app/learn-claude-90-days-course/id6803959174)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Access | $0.99 | per month |
| Lifetime Access | $8.99 | one-time |


## Frequently asked questions

### Is ThinkBetter free?

ThinkBetter is free to download, with in-app purchases available.

### Is Learn Claude 90 Days Course free?

Learn Claude 90 Days Course is free to download, with in-app purchases available.

### Do ThinkBetter or Learn Claude 90 Days Course have ads?

Neither ThinkBetter nor Learn Claude 90 Days Course shows ads.

### Which is updated more often, ThinkBetter or Learn Claude 90 Days Course?

ThinkBetter ships an update monthly, and Learn Claude 90 Days Course every 2 days. Most recently, ThinkBetter was updated on November 3, 2026 and Learn Claude 90 Days Course on November 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*