# 二次元百科 vs 音记 Note

The clearest difference is iOS requirement: 音记 Note at 13.0 against 二次元百科's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

二次元百科 ships an update monthly, 音记 Note fortnightly. The most recent releases landed on October 2, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 二次元百科 | 音记 Note |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | — | Free |
| Size | 3 MB | 5 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [宏 林](https://appshunter.io/developer/1496915311) | [劲俊 韩](https://appshunter.io/developer/6778846301) |

## What reviewers say

### 二次元百科

[App page](https://appshunter.io/ios/app/id1496915312)

**Features:** macOS Compatibility

**In-app purchases:** none


### 音记 Note

[App page](https://appshunter.io/ios/app/note/id1605697655)

Record, play, and manage audio notes with ease. This app offers background recording and playback, title-based search, and encryption for your audio files. All recordings are stored locally for privacy and can be exported for backup.

**Highlights:** Background recording, Background playback, Title-based search, Audio encryption, Local storage, Export recordings

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 二次元百科 free?

二次元百科 is free to download, with no in-app purchases.

### Is 音记 Note free?

音记 Note is free to download, with no in-app purchases.

### Do 二次元百科 or 音记 Note have ads?

Neither 二次元百科 nor 音记 Note shows ads.

### Which is updated more often, 二次元百科 or 音记 Note?

二次元百科 ships an update monthly, and 音记 Note fortnightly. Most recently, 二次元百科 was updated on October 2, 2026 and 音记 Note on October 10, 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.*