# STUNLOCKER vs Eplus Tuning

The clearest difference is rating: Eplus Tuning at 4.5 against STUNLOCKER's 4.0. STUNLOCKER's advantage is in-app purchases (none vs 1) and ratings volume (24 vs 2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Eplus Tuning sells 1 one-off in-app purchase. STUNLOCKER asks for nothing beyond the download.

Eplus Tuning holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: STUNLOCKER has 24 ratings behind it against 2, so its average is the more settled of the two.

STUNLOCKER ships an update monthly, Eplus Tuning every 6 weeks. The most recent releases landed on June 10, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | STUNLOCKER | Eplus Tuning |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (24 ratings)](https://appshunter.io/ios/app/stunlocker/id1470219023/reviews) | **[4.5 (2 ratings)](https://appshunter.io/ios/app/eplus-tuning/id1490285553/reviews)** |
| Number of ratings | **24** | 2 |
| Positive reviews | 73.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 14 MB | 50 MB |
| Requires iOS | **12.1** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Vadim Bukin](https://appshunter.io/developer/1470219022) | [Eguides](https://appshunter.io/developer/375122704) |

## What reviewers say

### STUNLOCKER

[App page](https://appshunter.io/ios/app/stunlocker/id1470219023)

This application connects to Shimano E-Bike motors via Bluetooth to provide detailed information and allow customization of various settings. Users can monitor battery health, adjust assist levels, change gearing configurations, and manage light settings for a personalized riding experience.

**Highlights:** Connect via Bluetooth to Shimano E-Bike motors, View E-bike information (distance, battery health), Change assist settings, Modify gearing type and chainring size, Adjust light settings, Create presets for quick setups

**Features:** macOS Compatibility

**In-app purchases:** none


### Eplus Tuning

[App page](https://appshunter.io/ios/app/eplus-tuning/id1490285553)

Customize your ebike motor's performance based on your riding style and route. Adjust speed and power delivery for a personalized cycling experience. Requires a compatible Eplus chip.

**Highlights:** Customize ebike motor operation, Adjust speed settings, Modify power delivery style, Compatible with multiple ebike motor brands, Personalized riding experience

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Racing Eplus | $0.99 | one-time |


## Frequently asked questions

### Is STUNLOCKER free?

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

### Is Eplus Tuning free?

Eplus Tuning is free to download, with in-app purchases available.

### Which has better reviews, STUNLOCKER or Eplus Tuning?

Eplus Tuning is rated higher. STUNLOCKER averages 4.0 out of 5 from 24 ratings, while Eplus Tuning averages 4.5 from 2 ratings.

### Do STUNLOCKER or Eplus Tuning have ads?

Neither STUNLOCKER nor Eplus Tuning shows ads.

### Which is updated more often, STUNLOCKER or Eplus Tuning?

STUNLOCKER ships an update monthly, and Eplus Tuning every 6 weeks. Most recently, STUNLOCKER was updated on June 10, 2026 and Eplus Tuning 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.*