JKESS vs Worthless Controls
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JKESS
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This application unleashes the full potential of your BMS products through efficient management features. It offers a range of tools to simplify operations, ensuring the performance and safety of your battery management system. With this app, you can monitor the battery’s status in real time, fine-tune configurations through custom settings, and ensure stable system operation. Even first-time users can easily get started with its intuitive interface. Additionally, the app provides real-time alert notifications to help you identify and resolve potential issues promptly. The firmware upgrade feature continuously introduces new functionalities or performance improvements, keeping your device running at its best. Key Features: • Real-time Status Monitoring: Continuously track the battery’s performance, providing clear insights into the device’s condition. • Parameter Configuration: Customize settings for optimal use every time. • Firmware Upgrade: Easily update firmware to access the latest features and performance enhancements. • Alert Notifications: Receive and view critical alerts to stay on top of system status. For more product information and company details, visit our official website. We also welcome you to use the “Contact Us” feature to report product issues or provide suggestions for improvement.
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 update cadence: Worthless Controls at every 4 days against JKESS's every 8 months. JKESS's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
JKESS ships an update every 8 months, Worthless Controls every 4 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.
| Parameter | JKESS | Worthless Controls |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.1 (10 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 10 — better |
| Update frequency | Every 8 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 26 MB | 63 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Nengyi Electronic Technology Co.,Ltd | TAYLOR HAYDEN SMYTH |
In-app purchases
JKESS
No in-app purchases
Worthless Controls
No in-app purchases









