# AlterLock vs CYCPLUS

The clearest difference is rating: AlterLock at 3.7 against CYCPLUS's 1.8. AlterLock also leads on review sentiment (33% vs 17%). CYCPLUS's advantage is in-app purchases (none vs 2) and ratings volume (12 vs 3). On price, update cadence, ads and device support there is nothing between them.

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

AlterLock holds the better App Store score, 3.7 against 1.8. Both are backed by a comparable volume of ratings — 3 and 12 respectively. Written reviews point the same way: 33% of AlterLock's written reviews are positive against 17% of CYCPLUS's.

AlterLock ships an update every 2 months, CYCPLUS monthly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | AlterLock | CYCPLUS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/alterlock/id1418389534/reviews)** | [1.8 (12 ratings)](https://appshunter.io/ios/app/cycplus/id1550574455/reviews) |
| Number of ratings | 3 | **12** |
| Positive reviews | **33.3% of reviews** | 16.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 87 MB | 31 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [NEXTSCAPE INC.](https://appshunter.io/developer/434362565) | [成都晨电智能科技有限公司](https://appshunter.io/developer/955108541) |

## 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 |


### CYCPLUS

[App page](https://appshunter.io/ios/app/cycplus/id1550574455)

This app facilitates firmware updates for smart cycling equipment, including GPS computers, sensors, and power meters. It also allows for calibration, pairing, and recording of workout data, with detailed viewing of past activities.

**Highlights:** Firmware updates for wireless cycling products, Calibration and pairing of power meters, Bike trainer calibration, Workout data storage and recording, Detailed workout data viewing

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

**In-app purchases:** none


## Frequently asked questions

### Is AlterLock free?

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

### Is CYCPLUS free?

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

### Which has better reviews, AlterLock or CYCPLUS?

AlterLock is rated higher. AlterLock averages 3.7 out of 5 from 3 ratings, while CYCPLUS averages 1.8 from 12 ratings.

### Do AlterLock or CYCPLUS have ads?

Neither AlterLock nor CYCPLUS shows ads.

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

AlterLock ships an update every 2 months, and CYCPLUS monthly. Most recently, AlterLock was updated on November 2, 2026 and CYCPLUS on November 3, 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.*