# yybx vs Birder Diary

The clearest difference is price: Birder Diary at Free against yybx's $12.99. yybx's advantage is in-app purchases (none vs 2) and device support (4 vs 2). On update cadence and ads there is nothing between them.

Birder Diary is free to download; yybx costs $12.99 up front. Birder Diary sells 2 in-app purchases, starting at $2.99 per month. yybx asks for nothing beyond the download.

yybx ships an update every 3 weeks, Birder Diary every 2 weeks. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | yybx | Birder Diary |
| --- | --- | --- |
| Price | $12.99 | **Free** |
| Rating | **[3.0 (19 ratings)](https://appshunter.io/ios/app/yybx/id1519723194/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 36.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Paid | — |
| Size | 226 MB | 216 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [琪 齐](https://appshunter.io/developer/1339077067) | [周 王](https://appshunter.io/developer/1890135527) |

## What reviewers say

### yybx

[App page](https://appshunter.io/ios/app/yybx/id1519723194)

A powerful media player for Apple devices, supporting a vast array of formats and offering advanced playback features. Seamlessly import local or network files, customize themes, and enjoy features like picture-in-picture and playlist management across your ecosystem.

**Highlights:** Multi-platform compatibility (iOS, iPadOS, tvOS, macOS), Extensive media format support (video, audio, subtitles), Personalized themes and app icons, Flexible file import (local, network, cloud, AirDrop), Advanced playback controls (speed, A/B loop, sleep timer), Picture-in-picture and AirPlay support, Playlist and subscription management, File decompression and document reading

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


### Birder Diary

[App page](https://appshunter.io/ios/app/birder-diary/id6761525447)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Monthly | $2.99 | per month |
| PRO Annual | $19.99 | per year |


## Frequently asked questions

### Is yybx free?

yybx costs $12.99, with no in-app purchases.

### Is Birder Diary free?

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

### Do yybx or Birder Diary have ads?

Neither yybx nor Birder Diary shows ads.

### Which is updated more often, yybx or Birder Diary?

yybx ships an update every 3 weeks, and Birder Diary every 2 weeks. Most recently, yybx was updated on October 16, 2026 and Birder Diary on October 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.*