# IDM Fly vs 格式转换

The clearest difference is in-app purchases: IDM Fly at none against 格式转换's 3. IDM Fly also leads on update cadence (weekly vs fortnightly) and iOS requirement (9.0 vs 12.1). 格式转换's advantage is ratings volume (3 vs 1). On price, rating, ads and device support there is nothing between them.

Both are free to download. 格式转换 sells 3 in-app purchases, starting at $3.99 per month. IDM Fly asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for IDM Fly against 5.0 for 格式转换. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

IDM Fly ships an update weekly, 格式转换 fortnightly. The most recent releases landed on September 18, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | IDM Fly | 格式转换 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/idm-fly/id1637403174/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/id6448865905/reviews) |
| Number of ratings | 1 | **3** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | **Free** | Freemium |
| Size | 598 MB | 57 MB |
| Requires iOS | **9.0** | 12.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [元明 苏](https://appshunter.io/developer/1429356686) | [Light Speed Intelligence Technology Co., Ltd.](https://appshunter.io/developer/1670291399) |

## What reviewers say

### IDM Fly

[App page](https://appshunter.io/ios/app/idm-fly/id1637403174)

This application is designed to control high-end quadcopter drones. It offers advanced flight modes like GPS waypoint navigation, intelligent object tracking, and AI recognition. Users can capture stunning aerial photos and videos with its 6K photo and 2K video capabilities.

**Highlights:** GPS waypoint navigation, GPS intelligent tracking, AI object recognition, 6K photo capture, 2K video recording, Intuitive user interface

**Features:** macOS Compatibility

**In-app purchases:** none


### 格式转换

[App page](https://appshunter.io/ios/app/id6448865905)

Easily convert video files to various formats like MP4 and MKV, or extract audio into MP3, FLAC, and AAC. This tool simplifies audio and video format transformations with a user-friendly interface.

**Highlights:** Video to MP4, MKV, MOV, TS conversion, Audio to MP3, FLAC, AAC, WAV conversion, Extract audio from video, One-click conversion, Subscription for premium features

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月会员 | $3.99 | per month |
| 年会员 | $14.99 | per year |
| 永久会员 | $19.99 | one-time |


## Frequently asked questions

### Is IDM Fly free?

IDM Fly is free to download, with no in-app purchases.

### Is 格式转换 free?

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

### Which has better reviews, IDM Fly or 格式转换?

IDM Fly and 格式转换 are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do IDM Fly or 格式转换 have ads?

Neither IDM Fly nor 格式转换 shows ads.

### Which is updated more often, IDM Fly or 格式转换?

IDM Fly ships an update weekly, and 格式转换 fortnightly. Most recently, IDM Fly was updated on September 18, 2026 and 格式转换 on October 4, 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.*