# AlterLock vs mySHOEI

The clearest difference is in-app purchases: mySHOEI at none against AlterLock's 2. AlterLock's advantage is review sentiment (33% vs 7%) and update cadence (every 2 months vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AlterLock sells 2 in-app purchases, starting at $3.99 per month. mySHOEI asks for nothing beyond the download.

AlterLock ships an update every 2 months, mySHOEI every 5 months. The most recent releases landed on September 22, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | AlterLock | mySHOEI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/alterlock/id1418389534/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | **33.3% of reviews** | 7.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 87 MB | 48 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [NEXTSCAPE INC.](https://appshunter.io/developer/434362565) | [株式会社SHOEI](https://appshunter.io/developer/1642856259) |

## What reviewers say

### AlterLock

[App page](https://appshunter.io/ios/app/alterlock/id1418389534)

This app pairs with a theft prevention device to monitor your vehicle. It offers loud alarms, smartphone notifications, and GPS tracking to deter theft and provide location updates. Manage vehicle details, device settings, and track your assets with peace of mind.

**Highlights:** Movement-detection alarm, Smartphone notifications, Independent communication, Advanced GPS tracking, Vehicle registration, Device settings adjustment, Map-based location history

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $3.99 | per month |
| Annual Plan | $39.95 | per year |


### mySHOEI

[App page](https://appshunter.io/ios/app/myshoei/id1642856257)

Register your SHOEI helmet warranty easily through this application. Keep track of your helmet's warranty information and manage your registration details conveniently.

**Highlights:** Warranty registration for SHOEI helmets, Manage helmet registration details, Convenient access to warranty information

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is AlterLock free?

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

### Is mySHOEI free?

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

### Do AlterLock or mySHOEI have ads?

Neither AlterLock nor mySHOEI shows ads.

### Which is updated more often, AlterLock or mySHOEI?

AlterLock ships an update every 2 months, and mySHOEI every 5 months. Most recently, AlterLock was updated on September 22, 2026 and mySHOEI on September 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*