# LessonKeeper vs CM

The clearest difference is in-app purchases: CM at none against LessonKeeper's 2. LessonKeeper's advantage is device support (4 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. LessonKeeper sells 2 in-app purchases, starting at $7.99 per month. CM asks for nothing beyond the download.

LessonKeeper ships an update every 2 weeks, CM every 3 weeks. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | LessonKeeper | CM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/lessonkeeper/id1508829201/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Freemium | — |
| Size | 11 MB | 58 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [John Nastos](https://appshunter.io/developer/422681741) | [Sahan Nagodavithana](https://appshunter.io/developer/1498574847) |

## What reviewers say

### LessonKeeper

[App page](https://appshunter.io/ios/app/lessonkeeper/id1508829201)

Create and share engaging lessons with students using rich media like text, images, audio, and video. Students can access lessons via a web link without needing the app. Track student progress, manage payments, and sync data across devices.

**Highlights:** Create multimedia-rich lessons, Share lessons via web link, Real-time lesson edits, Student progress tracking, Payment and invoice management, Cross-device data sync, Export lesson data to CSV

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $7.99 | per month |
| Yearly Subscription | $79.99 | per year |


### CM

[App page](https://appshunter.io/ios/app/cm-teacher/id1635924044)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LessonKeeper free?

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

### Is CM free?

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

### Do LessonKeeper or CM have ads?

Neither LessonKeeper nor CM shows ads.

### Which is updated more often, LessonKeeper or CM?

LessonKeeper ships an update every 2 weeks, and CM every 3 weeks. Most recently, LessonKeeper was updated on October 9, 2026 and CM on October 8, 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.*