# notesDiary vs Mirror ID

The clearest difference is in-app purchases: Mirror ID at none against notesDiary's 2. Mirror ID also leads on device support (4 vs 2). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. notesDiary sells 2 in-app purchases, starting at $6.99 per month. Mirror ID asks for nothing beyond the download.

notesDiary ships an update fortnightly, Mirror ID every 11 days. The most recent releases landed on October 18, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | notesDiary | Mirror ID |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/notesdiary/id6474940011/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 11 days** |
| Monetization | Subscription | — |
| Size | 13 MB | 102 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Fox.ai Limited](https://appshunter.io/developer/1703764034) | [Mirror AI Technology, Inc.](https://appshunter.io/developer/6777475224) |

## What reviewers say

### notesDiary

[App page](https://appshunter.io/ios/app/notesdiary/id6474940011)

A private digital diary app that functions like a Twitter feed for your thoughts. It features an AI writing assistant for polished entries and offers customization options. Track personal growth with smart analytics and access your entries securely anytime, anywhere.

**Highlights:** Twitter-style private diary entries, AI writing assistant for revisions, Lock and encryption for security, Customizable themes, fonts, and colors, Intuitive timeline and search, Smart analytics for personal growth, Cross-device access

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $6.99 | per month |
| 6-Month Subscription | $24.99 | per 6 months |


### Mirror ID

[App page](https://appshunter.io/ios/app/mirror-id/id6777475222)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is notesDiary free?

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

### Is Mirror ID free?

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

### Do notesDiary or Mirror ID have ads?

Neither notesDiary nor Mirror ID shows ads.

### Which is updated more often, notesDiary or Mirror ID?

notesDiary ships an update fortnightly, and Mirror ID every 11 days. Most recently, notesDiary was updated on October 18, 2026 and Mirror ID on October 9, 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.*