# ConvertX vs 极速换电助手

The clearest difference is in-app purchases: 极速换电助手 at none against ConvertX's 3. 极速换电助手 also leads on ads (none vs shown). ConvertX's advantage is update cadence (daily vs every 2 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. ConvertX sells 3 in-app purchases, starting at $1.99 per month. 极速换电助手 asks for nothing beyond the download.

ConvertX ships an update daily, 极速换电助手 every 2 weeks. The most recent releases landed on September 24, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | ConvertX | 极速换电助手 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 72 MB | 51 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [炜春 唐](https://appshunter.io/developer/1518991356) | [Hangzhou Xingyun Power Source Technology Co., Ltd.](https://appshunter.io/developer/1681532422) |

## What reviewers say

### ConvertX

[App page](https://appshunter.io/ios/app/convertx-video-converter/id1665355957)

Easily convert video and audio files between numerous formats. Supports a wide range of popular and less common file types for versatile media management. Offers premium subscription options for enhanced features.

**Highlights:** Video and audio format conversion, Supports MP4, AVI, MOV, MP3, WAV, FLAC, and more, Extensive list of supported input/output formats, Premium subscription options available, Free to download and use

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium | $3.99 | per 3 months |
| Premium Yearly | $9.99 | per year |


### 极速换电助手

[App page](https://appshunter.io/ios/app/id1671123737)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ConvertX free?

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

### Is 极速换电助手 free?

极速换电助手 is free to download, with no in-app purchases.

### Do ConvertX or 极速换电助手 have ads?

ConvertX shows ads; 极速换电助手 does not.

### Which is updated more often, ConvertX or 极速换电助手?

ConvertX ships an update daily, and 极速换电助手 every 2 weeks. Most recently, ConvertX was updated on September 24, 2026 and 极速换电助手 on September 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.*