# B2QScan vs TOPDON BatteryLab

The clearest difference is review sentiment: TOPDON BatteryLab at 24% against B2QScan's 16%. TOPDON BatteryLab also leads on iOS requirement (11.0 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

B2QScan ships an update every 3 weeks, TOPDON BatteryLab monthly. The most recent releases landed on October 15, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | B2QScan | TOPDON BatteryLab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.5 (13 ratings)](https://appshunter.io/ios/app/topdon-batterylab/id6462673217/reviews)** |
| Number of ratings | — | **13** |
| Positive reviews | 16.0% of reviews | **24.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | Free |
| Size | 133 MB | 188 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [B2Q Technologies](https://appshunter.io/developer/668100612) | [HK TOPDON TECHNOLOGY Co., LIMITED](https://appshunter.io/developer/1846276192) |

## What reviewers say

### B2QScan

[App page](https://appshunter.io/ios/app/b2qscan/id668100609)

This app analyzes lead-acid battery health when paired with specific hardware. It captures battery data, warns of system issues, and allows for easy sharing of test reports. Ideal for professionals and owners managing various types of batteries.

**Highlights:** Captures battery test data optically, Captures battery and VIN barcodes optically, Determines battery health, Warns of starting/charging system problems, Saves, emails, prints, and shares test reports, Cloud backup and sharing of test data

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is B2QScan free?

B2QScan is free to download, with no in-app purchases.

### Is TOPDON BatteryLab free?

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

### Do B2QScan or TOPDON BatteryLab have ads?

Neither B2QScan nor TOPDON BatteryLab shows ads.

### Which is updated more often, B2QScan or TOPDON BatteryLab?

B2QScan ships an update every 3 weeks, and TOPDON BatteryLab monthly. Most recently, B2QScan was updated on October 15, 2026 and TOPDON BatteryLab 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.*