# Format Conversion格式转换 vs Alter Convert

The clearest difference is ads: Format Conversion格式转换 at none against Alter Convert's shown. Alter Convert's advantage is update cadence (weekly vs every 5 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 Alter Convert 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 5 months, Alter Convert weekly. The most recent releases landed on September 30, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Format Conversion格式转换 | Alter Convert |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/alter-convert-video-to-mp3/id6791602422/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 29 MB | 49 MB |
| Requires iOS | 15.6 | **15** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [彦 唐](https://appshunter.io/developer/1438972298) | [超萍 包](https://appshunter.io/developer/6790996951) |

## 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 |


### Alter Convert

[App page](https://appshunter.io/ios/app/alter-convert-video-to-mp3/id6791602422)

This tool converts video, audio, and image files between numerous formats. It also offers PDF processing, audio extraction, and a universal media player. Batch processing and local conversion enhance efficiency and privacy.

**Highlights:** Video format conversion, Audio format conversion, Image format conversion, PDF to image conversion, Batch processing, Universal media player, Local file processing

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro (1 Month) | $1.99 | per month |
| Yearly Pro (1 Year) | $8.99 | per year |
| Lifetime Pro (One-Time) | $16.99 | 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 Alter Convert free?

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

### Do Format Conversion格式转换 or Alter Convert have ads?

Alter Convert shows ads; Format Conversion格式转换 does not.

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

Format Conversion格式转换 ships an update every 5 months, and Alter Convert weekly. Most recently, Format Conversion格式转换 was updated on September 30, 2026 and Alter Convert on October 7, 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.*