# Bird Diary vs 懂我筆記本

The clearest difference is in-app purchases: 懂我筆記本 at none against Bird Diary's 3. Bird Diary's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Bird Diary sells 3 in-app purchases, starting at $1.99 per month. 懂我筆記本 asks for nothing beyond the download.

Bird Diary ships an update every 3 weeks, 懂我筆記本 every 2 months. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Bird Diary | 懂我筆記本 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (10 ratings)](https://appshunter.io/ios/app/bird-diary-time-capsule/id6745124614/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Freemium | — |
| Size | 64 MB | 7 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [帆 邱](https://appshunter.io/developer/1766624521) | [Yu-Hsiang Chang](https://appshunter.io/developer/1775810372) |

## What reviewers say

### Bird Diary

[App page](https://appshunter.io/ios/app/bird-diary-time-capsule/id6745124614)

This app allows you to write letters to your past, present, or future self. It offers a minimalist journaling experience with text, photos, and moods, and securely stores your messages for later retrieval.

**Highlights:** Minimalist text, photo, and mood journaling, Send messages to the future, Save favorite letters, Revisit past entries, Secure local and iCloud sync

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Black Bird Pro | $1.99 | per month |
| Black Bird Pro | $5.99 | per year |
| Black Bird Pro Lifetime | $7.99 | one-time |


### 懂我筆記本

[App page](https://appshunter.io/ios/app/id6766533920)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bird Diary free?

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

### Is 懂我筆記本 free?

懂我筆記本 is free to download, with no in-app purchases.

### Do Bird Diary or 懂我筆記本 have ads?

Neither Bird Diary nor 懂我筆記本 shows ads.

### Which is updated more often, Bird Diary or 懂我筆記本?

Bird Diary ships an update every 3 weeks, and 懂我筆記本 every 2 months. Most recently, Bird Diary was updated on November 5, 2026 and 懂我筆記本 on October 31, 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.*