EMBTuner vs Worthless Controls
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
Worthless Controls
This app provides comprehensive tuning and telemetry for electric vehicle motor controllers and battery systems. Connect via Bluetooth to adjust parameters, monitor live data, and record rides for e-motorcycles, scooters, e-bikes, and e-skates.
- Bluetooth connectivity
- Full parameter tuning for controllers
- Live data dashboards
- Battery BMS monitoring
- Ride data logging and export
- Firmware flashing
- Remote controller adjustment
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Worthless Controls is the most complete tuning and telemetry app for electric-vehicle motor controllers and battery systems. Connect over Bluetooth and take full control of your build — whether you ride an e-motorcycle, scooter, e-bike, or e-skate. CONTROLLERS • FarDriver — full parameter tuning • VESC — profiles, live data, and configuration • VOTOL — telemetry and parameter editing BATTERY (BMS) • JBD, JK, ANT, DALY and more — voltage, current, SOC, cell balance, temps, and protection status at a glance LIVE DASHBOARDS • Full-screen race dashboard: speed, RPM, power, temps, and trip data • Classic gauge dashboard with multiple styles • Optional GPS speed and real-time charts TUNE EVERYTHING • Speed, current, regen, throttle response, field weakening, and dozens more parameters • Edit RPM and torque curves visually • Wheel-size and battery calibration for accurate speed and range RECORD YOUR RIDES • Data logging with configurable metrics and CSV export • Log viewer with charts and a GPS map of your route • Efficiency tracking and range estimation AND MORE • Flash controller firmware (.bin/.hex) right from your phone • Remote sharing — let a tuner adjust your controller from anywhere • Drag and lap timer with a leaderboard • Connect multiple devices at once Some advanced features require a one-time Pro unlock. No subscriptions, no ads — buy once, yours forever. Not affiliated with FarDriver, VESC, VOTOL, or any BMS maker. Adjusting controller parameters and flashing firmware carries risk — use at your own discretion.
Screenshots
Verdict
EMBTuner and Worthless Controls both sit at 4.5 stars, but that hides the real split: 100% of Worthless Controls's written reviews are positive against 0% of EMBTuner's. Worthless Controls also leads on update cadence (every 3 days vs fortnightly). EMBTuner's advantage is monetization model (free vs free with in-app purchases). On price, rating, ratings volume 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.
EMBTuner holds the better App Store score, 4.5 against 4.3. Both are backed by a comparable volume of ratings — 11 and 6 respectively. Written reviews complicate that: 0% of EMBTuner's written reviews are positive against 100% of Worthless Controls's, so the app with the better star average is not the one people write more warmly about.
EMBTuner ships an update fortnightly, Worthless Controls every 3 days. The most recent releases landed on September 15, 2026 and September 17, 2026 respectively.
| Parameter | EMBTuner | Worthless Controls |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (11 ratings) — better | 4.3 (6 ratings) |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 11 — better | 6 |
| Update frequency | Fortnightly | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.4 | 15.0 — better |
| Further details — not scored | ||
| Size | 58 MB | 64 MB |
| Age rating | 4+ | 4+ |
| Developer | Riley Houston | TAYLOR HAYDEN SMYTH |
Customer experience
EMBTuner
Worthless Controls
In-app purchases
EMBTuner
No in-app purchases
Worthless Controls
No in-app purchases









