# 音频转换器 vs 旅行记账

The clearest difference is in-app purchases: 旅行记账 at none against 音频转换器's 2. 音频转换器's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. 音频转换器 sells 2 in-app purchases, starting at $4.99 per 7 days. 旅行记账 asks for nothing beyond the download.

音频转换器 ships an update fortnightly, 旅行记账 weekly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 音频转换器 | 旅行记账 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Weekly** |
| Size | 29 MB | 28 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [亮亮 黄](https://appshunter.io/developer/1887141694) | [志平 吕](https://appshunter.io/developer/1399466541) |

## What reviewers say

### 音频转换器

[App page](https://appshunter.io/ios/app/mp3/id6762239265)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Audio Converter Weekly Pro | $4.99 | per 7 days |
| Audio Converter Forever Pro | $14.99 | one-time |


### 旅行记账

[App page](https://appshunter.io/ios/app/id6816792480)

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

**In-app purchases:** none


## Frequently asked questions

### Is 音频转换器 free?

音频转换器 is free to download, with in-app purchases available.

### Is 旅行记账 free?

旅行记账 is free to download, with no in-app purchases.

### Do 音频转换器 or 旅行记账 have ads?

旅行记账 shows ads; 音频转换器 does not.

### Which is updated more often, 音频转换器 or 旅行记账?

音频转换器 ships an update fortnightly, and 旅行记账 weekly. Most recently, 音频转换器 was updated on November 5, 2026 and 旅行记账 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.*