# LessonCheck vs Focus Timer

The clearest difference is price: LessonCheck at Free against Focus Timer's $2.99. LessonCheck also leads on update cadence (every 2 days vs every 2 weeks). Focus Timer's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

LessonCheck is free to download; Focus Timer costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

LessonCheck ships an update every 2 days, Focus Timer every 2 weeks. The most recent releases landed on October 28, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | LessonCheck | Focus Timer |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Size | 8 MB | 164 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Insu Jang](https://appshunter.io/developer/1896535837) | [SnapWorks Lab](https://appshunter.io/developer/1885406324) |

## What reviewers say

### LessonCheck

[App page](https://appshunter.io/ios/app/lessoncheck-my-lesson-tracker/id6774625116)

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

**In-app purchases:** none


### Focus Timer

[App page](https://appshunter.io/ios/app/focus-timer-flight-pomodoro/id6809570318)

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

**In-app purchases:** none


## Frequently asked questions

### Is LessonCheck free?

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

### Is Focus Timer free?

Focus Timer costs $2.99, with no in-app purchases.

### Do LessonCheck or Focus Timer have ads?

LessonCheck shows ads; Focus Timer does not.

### Which is updated more often, LessonCheck or Focus Timer?

LessonCheck ships an update every 2 days, and Focus Timer every 2 weeks. Most recently, LessonCheck was updated on October 28, 2026 and Focus Timer on October 26, 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.*