# AI找图 vs Bird Diary

The clearest difference is in-app purchases: AI找图 at none against Bird Diary's 3. AI找图 also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

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

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 10, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | AI找图 | Bird Diary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (8 ratings)](https://appshunter.io/ios/app/bird-diary-time-capsule/id6745124614/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | — | Freemium |
| Size | 12 MB | 32 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [琪卿 罗](https://appshunter.io/developer/1509216807) | [帆 邱](https://appshunter.io/developer/1766624521) |

## What reviewers say

### AI找图

[App page](https://appshunter.io/ios/app/ai/id6738201017)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is AI找图 free?

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

### Is Bird Diary free?

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

### Do AI找图 or Bird Diary have ads?

Neither AI找图 nor Bird Diary shows ads.

### Which is updated more often, AI找图 or Bird Diary?

AI找图 ships an update every 3 weeks, and Bird Diary every 3 weeks. Most recently, AI找图 was updated on October 10, 2026 and Bird Diary on October 16, 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.*