# metr.at vs EMBTuner

The clearest difference is review sentiment: metr.at at 88% against EMBTuner's 0%. metr.at also leads on rating (4.7 vs 4.5) and iOS requirement (12.0 vs 15.4). On price, ratings volume, update cadence 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.

metr.at holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 19 and 11 respectively. Written reviews point the same way: 88% of metr.at's written reviews are positive against 0% of EMBTuner's.

metr.at ships an update every 4 weeks, EMBTuner fortnightly. The most recent releases landed on October 4, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | metr.at | EMBTuner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (19 ratings)](https://appshunter.io/ios/app/metrat/id1165745913/reviews)** | [4.5 (11 ratings)](https://appshunter.io/ios/app/embtuner/id1605550971/reviews) |
| Number of ratings | **19** | 11 |
| Positive reviews | **87.5% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 65 MB | 58 MB |
| Requires iOS | **12.0** | 15.4 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Voyage Systems AB](https://appshunter.io/developer/1710124681) | [Riley Houston](https://appshunter.io/developer/1605550973) |

## What reviewers say

### metr.at

[App page](https://appshunter.io/ios/app/metrat/id1165745913)

This app measures and records electrical data like current, voltage, and RPM for compatible devices. It allows users to track routes on Google Maps, view detailed charts, and create videos with data overlays. Users can also share their recorded data and adjust speed modes.

**Highlights:** Measure current, voltage, RPM, speed, Record and upload data online, Track route on Google Maps, View detailed interactive charts, Share data links, Change speed modes, Create videos with data overlay

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is metr.at free?

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

### Is EMBTuner free?

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

### Which has better reviews, metr.at or EMBTuner?

metr.at is rated higher. metr.at averages 4.7 out of 5 from 19 ratings, while EMBTuner averages 4.5 from 11 ratings.

### Do metr.at or EMBTuner have ads?

Neither metr.at nor EMBTuner shows ads.

### Which is updated more often, metr.at or EMBTuner?

metr.at ships an update every 4 weeks, and EMBTuner fortnightly. Most recently, metr.at was updated on October 4, 2026 and EMBTuner on October 2, 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.*