# C3STROM vs SJ BTM

The clearest difference is device support: C3STROM at 2 against SJ BTM's —. C3STROM also leads on iOS requirement (10.0 vs 12.0). On price 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.

## The numbers

| Metric | C3STROM | SJ BTM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (16 ratings)](https://appshunter.io/ios/app/c3strom/id1592802683/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Monetization | Free | — |
| Size | 352 MB | 1 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [Hangzhou Fanzhou Technology Co.,Ltd](https://appshunter.io/developer/1592802685) | [Guangdong Shiji Technology Co.,Ltd.](https://appshunter.io/developer/1405540461) |

## What reviewers say

### C3STROM

[App page](https://appshunter.io/ios/app/c3strom/id1592802683)

Control your electric bike remotely, adjusting settings like speed limits and lights. Plan routes, analyze riding statistics, and replay tracks. Unlock off-road mode for an enhanced riding experience.

**Highlights:** Remote electric bike control, Adjustable speed limits and lights, Simultaneous multi-bike control, Route planning and analysis, Riding track replay, Off-road mode activation

**Features:** macOS Compatibility

**In-app purchases:** none


### SJ BTM

[App page](https://appshunter.io/ios/app/sj-btm/id6479395865)

**In-app purchases:** none


## Frequently asked questions

### Is C3STROM free?

C3STROM is free to download, with no in-app purchases.

### Is SJ BTM free?

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

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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.*