# Join vs FLYROTOR ESC

The clearest difference is update cadence: FLYROTOR ESC at every 2 weeks against Join's every 2 months. Join's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Join ships an update every 2 months, FLYROTOR ESC every 2 weeks. The most recent releases landed on October 13, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Join | FLYROTOR ESC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 40 MB | 3 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [JETEC ELECTRONIC CO., LTD.](https://appshunter.io/developer/1441521339) | [锐 李](https://appshunter.io/developer/1889046689) |

## What reviewers say

### Join

[App page](https://appshunter.io/ios/app/join-system/id1539826228)

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

**In-app purchases:** none


### FLYROTOR ESC

[App page](https://appshunter.io/ios/app/flyrotor-esc/id6761365354)

**In-app purchases:** none


## Frequently asked questions

### Is Join free?

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

### Is FLYROTOR ESC free?

FLYROTOR ESC is free to download, with no in-app purchases.

### Do Join or FLYROTOR ESC have ads?

Neither Join nor FLYROTOR ESC shows ads.

### Which is updated more often, Join or FLYROTOR ESC?

Join ships an update every 2 months, and FLYROTOR ESC every 2 weeks. Most recently, Join was updated on October 13, 2026 and FLYROTOR ESC on October 9, 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.*