# eMaxMobileApp vs STUNLOCKER

The clearest difference is price: STUNLOCKER at Free against eMaxMobileApp's $0.99. eMaxMobileApp's advantage is rating (4.4 vs 4.0) and review sentiment (93% vs 73%). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

STUNLOCKER is free to download; eMaxMobileApp costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

eMaxMobileApp holds the better App Store score, 4.4 against 4.0. Both are backed by a comparable volume of ratings — 14 and 24 respectively. Written reviews point the same way: 93% of eMaxMobileApp's written reviews are positive against 73% of STUNLOCKER's.

eMaxMobileApp ships an update every 3 weeks, STUNLOCKER monthly. The most recent releases landed on September 21, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | eMaxMobileApp | STUNLOCKER |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.4 (14 ratings)](https://appshunter.io/ios/app/emaxmobileapp/id1460664010/reviews)** | [4.0 (24 ratings)](https://appshunter.io/ios/app/stunlocker/id1470219023/reviews) |
| Number of ratings | 14 | **24** |
| Positive reviews | **92.6% of reviews** | 73.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | Free |
| Best chart rank | **#196** | — |
| Size | 5 MB | 14 MB |
| Requires iOS | 13.0 | **12.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Markus Schlegel](https://appshunter.io/developer/1460664009) | [Vadim Bukin](https://appshunter.io/developer/1470219022) |

## What reviewers say

### eMaxMobileApp

[App page](https://appshunter.io/ios/app/emaxmobileapp/id1460664010)

**Currently charting:** #196 Top Paid · Sports (US App Store)

This app enhances the performance of compatible electric bicycle systems. It supports a wide range of displays and drive units, offering advanced optimization features. Users can find detailed compatibility information and tuning possibilities on the developer's website.

**Highlights:** Optimizes STePS systems, Supports Bluetooth displays, Compatible with various drive units, Works with Shimano motor firmware, Advanced tuning possibilities

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is eMaxMobileApp free?

eMaxMobileApp costs $0.99, with no in-app purchases.

### Is STUNLOCKER free?

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

### Which has better reviews, eMaxMobileApp or STUNLOCKER?

eMaxMobileApp is rated higher. eMaxMobileApp averages 4.4 out of 5 from 14 ratings, while STUNLOCKER averages 4.0 from 24 ratings.

### Do eMaxMobileApp or STUNLOCKER have ads?

Neither eMaxMobileApp nor STUNLOCKER shows ads.

### Which is updated more often, eMaxMobileApp or STUNLOCKER?

eMaxMobileApp ships an update every 3 weeks, and STUNLOCKER monthly. Most recently, eMaxMobileApp was updated on September 21, 2026 and STUNLOCKER on June 10, 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.*