# EASY FI vs AlterLock

The clearest difference is review sentiment: EASY FI at 50% against AlterLock's 33%. EASY FI also leads on iOS requirement (9.0 vs 15.0). AlterLock's advantage is update cadence (every 2 months vs every 4 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. EASY FI sells 8 one-off in-app purchases and AlterLock sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

EASY FI ships an update every 4 months, AlterLock every 2 months. Both last shipped on November 2, 2026.

## The numbers

| Metric | EASY FI | AlterLock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/alterlock/id1418389534/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | **50.0% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 5 MB | 87 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DILTS JAPAN, LIMITED LIABILITY CO.](https://appshunter.io/developer/780416956) | [NEXTSCAPE INC.](https://appshunter.io/developer/434362565) |

## What reviewers say

### EASY FI

[App page](https://appshunter.io/ios/app/easy-fi-con-type-x/id1384861887)

This application allows for the adjustment of ignition timing and fuel injection settings for specific motorcycle models. It offers preset data, real-time monitoring, and advanced tuning capabilities for enhanced engine performance. Requires a compatible device to unlock full functionality.

**Highlights:** Ignition timing adjustment, Fuel injection mapping, Real-time engine monitoring, Preset data loading, 3D map visualization, Dual map switching, Digital acceleration pump

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MONKEY125 JB02 | $3.99 | one-time |
| Z125 Pro | $3.99 | one-time |
| HUNTER CUB CT125 JA65 | $3.99 | one-time |
| GROM JC61/JC76 | $3.99 | one-time |
| GROM 8BJ-JC92 | $3.99 | one-time |
| MONKEY125 JB03/JB05 | $3.99 | one-time |
| DAX125 JB04/JB06 | $3.99 | one-time |
| CROSS CUB CC110 JA60 | $3.99 | one-time |


### 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 |


## Frequently asked questions

### Is EASY FI free?

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

### Is AlterLock free?

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

### Do EASY FI or AlterLock have ads?

Neither EASY FI nor AlterLock shows ads.

### Which is updated more often, EASY FI or AlterLock?

EASY FI ships an update every 4 months, and AlterLock every 2 months. Most recently, EASY FI was updated on November 2, 2026 and AlterLock on November 2, 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.*