# EMBTuner vs SURRON

The clearest difference is rating: EMBTuner at 4.5 against SURRON's 1.8. EMBTuner also leads on update cadence (fortnightly vs every 2 months). SURRON's advantage is iOS requirement (12.0 vs 15.4). On price, review sentiment, ratings volume and ads there is nothing between them.

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

EMBTuner holds the better App Store score, 4.5 against 1.8. Both are backed by a comparable volume of ratings — 11 and 11 respectively. Written reviews complicate that: 0% of EMBTuner's written reviews are positive against 4% of SURRON's, so the app with the better star average is not the one people write more warmly about.

EMBTuner ships an update fortnightly, SURRON every 2 months. The most recent releases landed on May 14, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | EMBTuner | SURRON |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (11 ratings)](https://appshunter.io/ios/app/embtuner/id1605550971/reviews)** | [1.8 (11 ratings)](https://appshunter.io/ios/app/surron/id6450043341/reviews) |
| Number of ratings | 11 | 11 |
| Positive reviews | 0.0% of reviews | **4.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | Free |
| Size | 58 MB | 118 MB |
| Requires iOS | 15.4 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Riley Houston](https://appshunter.io/developer/1605550973) | [Hangzhou Qiulong Technology Co., Ltd.](https://appshunter.io/developer/1264481788) |

## What reviewers say

### EMBTuner

[App page](https://appshunter.io/ios/app/embtuner/id1605550971)

This utility app provides advanced control for specific ASI controllers tuned by E-Moto Bros. Users can access special parameters for calibration, saving settings to flash memory, and throttle adjustments.

**Highlights:** Controller calibration, Save to flash functionality, Throttle tuning, Extended parameter access, ASI controller support

**In-app purchases:** none


### SURRON

[App page](https://appshunter.io/ios/app/surron/id6450043341)

This platform connects electric bike riders and their bikes, offering a seamless online experience. It aims to build a community for off-road enthusiasts and provide support for an immersive electric biking adventure.

**Highlights:** Bike connectivity platform, End-to-end online experience, Rider and bike connection, Community building, Rider support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EMBTuner free?

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

### Is SURRON free?

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

### Which has better reviews, EMBTuner or SURRON?

EMBTuner is rated higher. EMBTuner averages 4.5 out of 5 from 11 ratings, while SURRON averages 1.8 from 11 ratings.

### Do EMBTuner or SURRON have ads?

Neither EMBTuner nor SURRON shows ads.

### Which is updated more often, EMBTuner or SURRON?

EMBTuner ships an update fortnightly, and SURRON every 2 months. Most recently, EMBTuner was updated on May 14, 2026 and SURRON on September 18, 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.*