ConvertMyUnits vs Worthless Controls
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ConvertMyUnits
This app provides instant unit conversions for a wide range of everyday measurements. Results update live as you type, making comparisons quick and easy. It works offline and offers features like copying, sharing, and recent conversions.
- Offline functionality
- Live conversions while typing
- Supports numerous measurement categories
- Swap units instantly
- Copy, paste, and share values
- Recent conversions history
- Light and dark mode
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ConvertMyUnits is a simple, fast, offline unit converter for everyday measurements. Convert length, area, volume, mass, temperature, time, speed, data, pressure, energy, power, fuel economy, angles, and more in one clean app. Results update live as you type, so you can compare units without waiting or switching screens. Features: - Works offline - Live conversions while typing - Length, area, volume, mass, temperature, time, speed, data, pressure, energy, power, fuel economy, angle units, and more - Swap units instantly - Copy, paste, share, and clear conversion values - Recent conversions for quick reuse - Light and dark mode support Whether you are cooking, traveling, studying, working, or checking a quick measurement, ConvertMyUnits keeps conversions straightforward and accessible. ConvertMyUnits shows ads on iPhone and iPad; where the law requires it, Settings has ad privacy choices. ConvertMyUnits Plus is an optional auto-renewing subscription, billed every 1, 3 or 6 months, that removes them. Payment is charged to your Apple Account; the subscription renews unless cancelled at least 24 hours before the end of the period, and can be managed in your account settings. Privacy policy: https://southbaycompute.com/convertmyunits/privacy/ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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
The clearest difference is rating: ConvertMyUnits at 5.0 against Worthless Controls's 4.2. Worthless Controls's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, update cadence, monetization model and device support 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. ConvertMyUnits sells 3 in-app purchases, starting at $0.99 per month. Worthless Controls asks for nothing beyond the download.
ConvertMyUnits holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Worthless Controls has 13 ratings behind it against 1, so its average is the more settled of the two.
ConvertMyUnits ships an update every 3 days, Worthless Controls every 4 days. Both last shipped on November 10, 2026.
| Parameter | ConvertMyUnits | Worthless Controls |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.2 (13 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 13 — better |
| Update frequency | Every 3 days — better | Every 4 days |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, Mac — better | iPhone, iPod |
| Requires iOS | 26.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 33 MB | 63 MB |
| Age rating | 4+ | 4+ |
| Developer | South Bay Compute, LLC | TAYLOR HAYDEN SMYTH |
Customer experience
ConvertMyUnits
Worthless Controls
In-app purchases
ConvertMyUnits
- ConvertMyUnits Plus$0.991 Month
- ConvertMyUnits Plus$1.993 Months
- ConvertMyUnits Plus$2.996 Months
Worthless Controls
No in-app purchases
Questions
Is ConvertMyUnits free?
Is Worthless Controls free?
Which has better reviews, ConvertMyUnits or Worthless Controls?
Do ConvertMyUnits or Worthless Controls have ads?
Which is updated more often, ConvertMyUnits or Worthless Controls?
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