# CSJ GPS PRO vs Format Conversion格式转换

The clearest difference is in-app purchases: CSJ GPS PRO at none against Format Conversion格式转换's 4. CSJ GPS PRO also leads on update cadence (fortnightly vs every 5 months) and iOS requirement (12.0 vs 15.6). On price, ads and device support 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. CSJ GPS PRO asks for nothing beyond the download.

CSJ GPS PRO ships an update fortnightly, Format Conversion格式转换 every 5 months. The most recent releases landed on September 29, 2026 and August 3, 2026 respectively.

## The numbers

| Metric | CSJ GPS PRO | Format Conversion格式转换 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/csj-gps-pro/id1468088745/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 months |
| Monetization | Free | — |
| Size | 240 MB | 29 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [元明 苏](https://appshunter.io/developer/1429356686) | [彦 唐](https://appshunter.io/developer/1438972298) |

## What reviewers say

### CSJ GPS PRO

[App page](https://appshunter.io/ios/app/csj-gps-pro/id1468088745)

This application is designed to control CSJ series unmanned aircraft. It features advanced technologies like GPS waypoint navigation, GPS orbit, GPS follow, and AI recognition for innovative flight control.

**Highlights:** GPS waypoint navigation, GPS orbit mode, GPS follow mode, AI recognition, Unmanned aircraft control

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is CSJ GPS PRO free?

CSJ GPS PRO is free to download, with no in-app purchases.

### Is Format Conversion格式转换 free?

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

### Do CSJ GPS PRO or Format Conversion格式转换 have ads?

Neither CSJ GPS PRO nor Format Conversion格式转换 shows ads.

### Which is updated more often, CSJ GPS PRO or Format Conversion格式转换?

CSJ GPS PRO ships an update fortnightly, and Format Conversion格式转换 every 5 months. Most recently, CSJ GPS PRO was updated on September 29, 2026 and Format Conversion格式转换 on August 3, 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.*