Rear Camera vs TOPDON BatteryLab
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Rear Camera
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.
- WiFi camera feed transmission
- View rear camera image
- Assists with parking
- Mobile device integration
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Through this app, the user can transmit the backup camera image to the mobile phone through WiFi signal, so that the user can directly see the image behind the car.
TOPDON BatteryLab
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.
- Calculate battery life and voltage
- Inspect car generator
- Manage multiple devices
- Quick device connection
- One-click test report generation
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BatteryLab is a comprehensive battery testing application that connects to your device for battery testing, charging, and other functions. 1. Calculate the battery life and voltage. 2. Inspect the car generator. 3. Add multiple devices for management at the same time. 4. Quickly connect the device and perform battery testing. 5. Generate a test report with one click and view it at any time.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Rear Camera | TOPDON BatteryLab |
|---|---|---|
| Price | Free | Free |
| Rating | 1.9 (7 ratings) | 2.4 (15 ratings) — better |
| Positive reviews | 25.0% of reviews — better | 24.1% of reviews |
| Number of ratings | 7 | 15 — better |
| Update frequency | Fortnightly — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 30 MB | 188 MB |
| Age rating | 4+ | 4+ |
| Developer | 伟明 郭 | HK TOPDON TECHNOLOGY Co., LIMITED |
Customer experience
Rear Camera
TOPDON BatteryLab
In-app purchases
Rear Camera
No in-app purchases
TOPDON BatteryLab
No in-app purchases
