# 录音转文字助手 vs PDF合并拆分助手

The clearest difference is in-app purchases: PDF合并拆分助手 at none against 录音转文字助手's 1. PDF合并拆分助手 also leads on update cadence (every 6 weeks vs every 12 months) and device support. On price there is nothing between them.

Both are free to download. 录音转文字助手 sells 1 one-off in-app purchase. PDF合并拆分助手 asks for nothing beyond the download.

录音转文字助手 ships an update every 12 months, PDF合并拆分助手 every 6 weeks. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 录音转文字助手 | PDF合并拆分助手 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | — | Yes |
| Update frequency | Every 12 months | **Every 6 weeks** |
| Size | 4 MB | 78 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [合肥章玉智能科技有限公司](https://appshunter.io/developer/1189870243) | [Qun Cao](https://appshunter.io/developer/1655069600) |

## What reviewers say

### 录音转文字助手

[App page](https://appshunter.io/ios/app/ai/id6451056595)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 永久 Pro 会员 | $3.99 | one-time |


### PDF合并拆分助手

[App page](https://appshunter.io/ios/app/pdf-pdf/id6770174946)

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

**In-app purchases:** none


## Frequently asked questions

### Is 录音转文字助手 free?

录音转文字助手 is free to download, with in-app purchases available.

### Is PDF合并拆分助手 free?

PDF合并拆分助手 is free to download, with no in-app purchases.

### Which is updated more often, 录音转文字助手 or PDF合并拆分助手?

录音转文字助手 ships an update every 12 months, and PDF合并拆分助手 every 6 weeks. Most recently, 录音转文字助手 was updated on November 7, 2026 and PDF合并拆分助手 on November 5, 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.*