# AB LegSize vs Message Diary

The clearest difference is in-app purchases: AB LegSize at none against Message Diary's 3. Message Diary's advantage is update cadence (every 3 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Message Diary sells 3 in-app purchases, starting at $4.99 per month. AB LegSize asks for nothing beyond the download.

AB LegSize ships an update every 2 months, Message Diary every 3 days. The most recent releases landed on September 15, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | AB LegSize | Message Diary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (4 ratings)](https://appshunter.io/ios/app/message-diary-remind/id6769179581/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 6 MB | 42 MB |
| Requires iOS | 16.4 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Berkovich](https://appshunter.io/developer/1460157188) | [David Parker](https://appshunter.io/developer/821839348) |

## What reviewers say

### AB LegSize

[App page](https://appshunter.io/ios/app/ab-legsize/id6449621193)

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

**In-app purchases:** none


### Message Diary

[App page](https://appshunter.io/ios/app/message-diary-remind/id6769179581)

This app helps you save, organize, and revisit meaningful text messages and quotes. It provides daily inspiration through a home screen widget and serves as a digital diary for encouragement during challenging times.

**Highlights:** Save meaningful text messages, Organize with custom categories and tags, Rediscover forgotten memories, Home screen widget for daily inspiration, Secure and private storage, Focuses on preserving impactful words

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $4.99 | per month |
| Yearly Pro | $24.99 | per year |
| Lifetime Pro | $39.99 | one-time |


## Frequently asked questions

### Is AB LegSize free?

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

### Is Message Diary free?

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

### Do AB LegSize or Message Diary have ads?

Neither AB LegSize nor Message Diary shows ads.

### Which is updated more often, AB LegSize or Message Diary?

AB LegSize ships an update every 2 months, and Message Diary every 3 days. Most recently, AB LegSize was updated on September 15, 2026 and Message Diary on September 7, 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.*