metr.at vs EMBTuner
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
metr.at
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.
- 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
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Compatible with VESC®* Open Source Controller. • measure current, voltage, RPM, speed, etc • record and upload online • track route on google maps • view detailed and interactive chart • share the link with anyone • change speed modes (Slow, Normal, Fast, etc) • make videos with overlay Purchase Metr Pro Bluetooth module at Official shop https://voyagesystems.eu *VESC® is a registered Trademark owned by Benjamin Vedder. TM policies can be found here: http://www.vesc-project.com/trademark_policies
EMBTuner
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.
- Controller calibration
- Save to flash functionality
- Throttle tuning
- Extended parameter access
- ASI controller support
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This application is meant primarily for users of ASI controllers that have been tuned by E-Moto Bros. It allows extended access to special parameters including: Calibration, save to flash, throttle tuning, etc.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | metr.at | EMBTuner |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (19 ratings) — better | 4.5 (11 ratings) |
| Positive reviews | 87.5% of reviews — better | 0.0% of reviews |
| Number of ratings | 19 — better | 11 |
| Update frequency | Every 4 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.4 |
| Further details — not scored | ||
| Size | 65 MB | 58 MB |
| Age rating | 4+ | 4+ |
| Developer | Voyage Systems AB | Riley Houston |
Customer experience
metr.at
EMBTuner
In-app purchases
metr.at
No in-app purchases
EMBTuner
No in-app purchases









