# Flint vs Critical Thinking

The clearest difference is in-app purchases: Critical Thinking at none against Flint's 7. Flint's advantage is iOS requirement (16.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Flint sells 7 in-app purchases, starting at $6.99 per month. Critical Thinking asks for nothing beyond the download.

## The numbers

| Metric | Flint | Critical Thinking |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Size | 5 MB | 748 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 9+ | 12+ |
| Developer | [Sergey Bobin](https://appshunter.io/developer/1491866150) | [Alexander Senin](https://appshunter.io/developer/697788524) |

## What reviewers say

### Flint

[App page](https://appshunter.io/ios/app/flint/id6789542427)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Подписка Flint — месяц | $6.99 | per month |
| Подписка Flint — 3 месяца | $18.99 | per 3 months |
| Подписка Flint — 6 месяцев | $34.99 | per 6 months |
| Подписка Flint — год | $66.99 | per year |
| Пополнение — 199 ₽ | $1.99 | one-time |
| Пополнение — 399 ₽ | $4.99 | one-time |
| Пополнение — 599 ₽ | $6.99 | one-time |


### Critical Thinking

[App page](https://appshunter.io/ios/app/critical-thinking-practice/id6802582960)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flint free?

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

### Is Critical Thinking free?

Critical Thinking is free to download, with no in-app purchases.

### Do Flint or Critical Thinking have ads?

Neither Flint nor Critical Thinking shows ads.

---

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