# Format Conversion格式转换 vs VidX

The clearest difference is ads: Format Conversion格式转换 at none against VidX's shown. VidX's advantage is update cadence (every 3 weeks vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Format Conversion格式转换 sells 4 in-app purchases, starting at $1.99 per 7 days and VidX sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Format Conversion格式转换 ships an update every 3 months, VidX every 3 weeks. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Format Conversion格式转换 | VidX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 29 MB | 14 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [彦 唐](https://appshunter.io/developer/1438972298) | [晓丰 李](https://appshunter.io/developer/1861136662) |

## What reviewers say

### Format Conversion格式转换

[App page](https://appshunter.io/ios/app/format-conversion/id6744088667)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Weekly Subscription | $1.99 | per 7 days |
| PRO Monthly Subscription | $3.99 | per month |
| PRO Yearly Subscription | $14.99 | per year |
| Permanent PRO | $24.99 | one-time |


### VidX

[App page](https://appshunter.io/ios/app/vidx-video-compress-and-audio/id6772462673)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VidX Month VIP | $1.99 | per month |
| VidX Year VIP | $9.99 | per year |
| VidX Pro | $12.99 | one-time |


## Frequently asked questions

### Is Format Conversion格式转换 free?

Format Conversion格式转换 is free to download, with in-app purchases available.

### Is VidX free?

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

### Do Format Conversion格式转换 or VidX have ads?

VidX shows ads; Format Conversion格式转换 does not.

### Which is updated more often, Format Conversion格式转换 or VidX?

Format Conversion格式转换 ships an update every 3 months, and VidX every 3 weeks. Most recently, Format Conversion格式转换 was updated on October 24, 2026 and VidX on October 17, 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.*