# Da3m vs Lesson Diary

The clearest difference is in-app purchases: Da3m at none against Lesson Diary's 1. Da3m also leads on ads (none vs shown). Lesson Diary's advantage is update cadence (daily vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Lesson Diary sells 1 one-off in-app purchase. Da3m asks for nothing beyond the download.

Da3m ships an update monthly, Lesson Diary daily. The most recent releases landed on November 10, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Da3m | Lesson Diary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Daily** |
| Size | 7 MB | 29 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Khenniche Oussama](https://appshunter.io/developer/6775194133) | [SnowdropSoft](https://appshunter.io/developer/1541796403) |

## What reviewers say

### Da3m

[App page](https://appshunter.io/ios/app/da3m/id6808371312)

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

**In-app purchases:** none


### Lesson Diary

[App page](https://appshunter.io/ios/app/lesson-diary-progress-notes/id6810970794)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


## Frequently asked questions

### Is Da3m free?

Da3m is free to download, with no in-app purchases.

### Is Lesson Diary free?

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

### Do Da3m or Lesson Diary have ads?

Lesson Diary shows ads; Da3m does not.

### Which is updated more often, Da3m or Lesson Diary?

Da3m ships an update monthly, and Lesson Diary daily. Most recently, Da3m was updated on November 10, 2026 and Lesson Diary 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.*