# JK BMS vs Worthless Controls

The clearest difference is rating: JK BMS at 5.0 against Worthless Controls's 4.3. JK BMS also leads on monetization model (free vs free with in-app purchases). Worthless Controls's advantage is update cadence (every 3 days vs weekly). On price, review sentiment, ratings volume 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.

JK BMS holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 4 and 6 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

JK BMS ships an update weekly, Worthless Controls every 3 days. The most recent releases landed on September 25, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | JK BMS | Worthless Controls |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/jk-bms/id6773679719/reviews)** | [4.3 (6 ratings)](https://appshunter.io/ios/app/worthless-controls/id6797546239/reviews) |
| Number of ratings | 4 | **6** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 20 MB | 64 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [鹏 张](https://appshunter.io/developer/1425725690) | [TAYLOR HAYDEN SMYTH](https://appshunter.io/developer/6797546241) |

## What reviewers say

### JK BMS

[App page](https://appshunter.io/ios/app/jk-bms/id6773679719)

This utility app connects via Bluetooth to an active balancer for battery management. It allows for real-time monitoring of system status, setting operational parameters, and controlling battery management devices.

**Highlights:** Real-time status monitoring, Running parameter settings, Battery management system device control, Bluetooth connectivity, Active balancer integration

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Worthless Controls

[App page](https://appshunter.io/ios/app/worthless-controls/id6797546239)

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.

**Highlights:** Bluetooth connectivity, Full parameter tuning for controllers, Live data dashboards, Battery BMS monitoring, Ride data logging and export, Firmware flashing, Remote controller adjustment

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is JK BMS free?

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

### Is Worthless Controls free?

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

### Which has better reviews, JK BMS or Worthless Controls?

JK BMS is rated higher. JK BMS averages 5.0 out of 5 from 4 ratings, while Worthless Controls averages 4.3 from 6 ratings.

### Do JK BMS or Worthless Controls have ads?

Neither JK BMS nor Worthless Controls shows ads.

### Which is updated more often, JK BMS or Worthless Controls?

JK BMS ships an update weekly, and Worthless Controls every 3 days. Most recently, JK BMS was updated on September 25, 2026 and Worthless Controls on September 17, 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.*