# TOPDON BatteryLab vs ProofLock

The clearest difference is in-app purchases: TOPDON BatteryLab at none against ProofLock's 10. TOPDON BatteryLab also leads on iOS requirement (11.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ProofLock sells 10 in-app purchases, starting at $0.99 per month. TOPDON BatteryLab asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | TOPDON BatteryLab | ProofLock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (14 ratings)](https://appshunter.io/ios/app/topdon-batterylab/id6462673217/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 24.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | — |
| Size | 188 MB | 32 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HK TOPDON TECHNOLOGY Co., LIMITED](https://appshunter.io/developer/1846276192) | [Michael Cox](https://appshunter.io/developer/1867913807) |

## What reviewers say

### TOPDON BatteryLab

[App page](https://appshunter.io/ios/app/topdon-batterylab/id6462673217)

This app allows you to test your car's battery and generator. It provides detailed battery life and voltage calculations, and can manage multiple devices simultaneously. Generate and view test reports with ease.

**Highlights:** Calculate battery life and voltage, Inspect car generator, Manage multiple devices, Quick device connection, One-click test report generation

**Features:** Vision Pro support

**In-app purchases:** none


### ProofLock

[App page](https://appshunter.io/ios/app/prooflock/id6757623584)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Membership Monthly Plan | $0.99 | per month |
| Standard Membership Monthly Plan | $1.99 | per month |
| Pro Membership Monthly Plan | $2.99 | per month |
| Business Membership Monthly Plan | $4.99 | per month |
| Enterprise Membership Monthly Plan | $9.99 | per month |
| Basic Membership Annual | $9.99 | per year |
| Standard Membership Annual Plan | $19.99 | per year |
| Pro Membership Annual Plan | $29.99 | per year |
| Business Membership Annual Plan | $44.99 | per year |
| Enterprise Membership Annual Plan | $99.99 | per year |


## Frequently asked questions

### Is TOPDON BatteryLab free?

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

### Is ProofLock free?

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

### Do TOPDON BatteryLab or ProofLock have ads?

Neither TOPDON BatteryLab nor ProofLock shows ads.

### Which is updated more often, TOPDON BatteryLab or ProofLock?

TOPDON BatteryLab ships an update monthly, and ProofLock monthly. Most recently, TOPDON BatteryLab was updated on October 24, 2026 and ProofLock on October 20, 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.*