# Rear Camera vs TOPDON BatteryLab

The clearest difference is rating: TOPDON BatteryLab at 2.4 against Rear Camera's 1.9. Rear Camera's advantage is update cadence (fortnightly vs monthly). On price, review sentiment, ratings volume and ads there is nothing between them.

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

TOPDON BatteryLab holds the better App Store score, 2.4 against 1.9. Both are backed by a comparable volume of ratings — 7 and 15 respectively. Written reviews split almost evenly too, at 25% and 24% positive.

Rear Camera ships an update fortnightly, TOPDON BatteryLab monthly. Both last shipped on November 3, 2026.

## The numbers

| Metric | Rear Camera | TOPDON BatteryLab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (7 ratings)](https://appshunter.io/ios/app/rear-camera/id1564691547/reviews) | **[2.4 (15 ratings)](https://appshunter.io/ios/app/topdon-batterylab/id6462673217/reviews)** |
| Number of ratings | 7 | **15** |
| Positive reviews | **25.0% of reviews** | 24.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free | Free |
| Size | 30 MB | 188 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [伟明 郭](https://appshunter.io/developer/1546856047) | [HK TOPDON TECHNOLOGY Co., LIMITED](https://appshunter.io/developer/1846276192) |

## What reviewers say

### Rear Camera

[App page](https://appshunter.io/ios/app/rear-camera/id1564691547)

View your car's backup camera feed directly on your mobile device. This utility app transmits the camera image via WiFi signal, allowing for easier parking and maneuvering.

**Highlights:** WiFi camera feed transmission, View rear camera image, Assists with parking, Mobile device integration

**Features:** macOS Compatibility

**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 Rear Camera free?

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

### Is TOPDON BatteryLab free?

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

### Which has better reviews, Rear Camera or TOPDON BatteryLab?

TOPDON BatteryLab is rated higher. Rear Camera averages 1.9 out of 5 from 7 ratings, while TOPDON BatteryLab averages 2.4 from 15 ratings.

### Do Rear Camera or TOPDON BatteryLab have ads?

Neither Rear Camera nor TOPDON BatteryLab shows ads.

### Which is updated more often, Rear Camera or TOPDON BatteryLab?

Rear Camera ships an update fortnightly, and TOPDON BatteryLab monthly. Most recently, Rear Camera was updated on November 3, 2026 and TOPDON BatteryLab 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.*