# BackCam vs Onnais

The clearest difference is rating: BackCam at 3.5 against Onnais's 2.3. On price, ratings volume, update cadence 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.

BackCam holds the better App Store score, 3.5 against 2.3. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

BackCam ships an update every 3 weeks, Onnais monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | BackCam | Onnais |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/backcam/id6475296629/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/onnais/id6742645755/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | — |
| Size | 37 MB | 62 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 9+ |
| Developer | [Zhejiang Xinmai Silicon Co., LTD](https://appshunter.io/developer/1680433971) | [Shenzhen Hanmai Technology Co., Ltd.](https://appshunter.io/developer/1799150449) |

## What reviewers say

### BackCam

[App page](https://appshunter.io/ios/app/backcam/id6475296629)

Enhance your driving safety with this intelligent car camera app. It provides a clear view of your vehicle's blind spots and rear, acting as an electronic rearview mirror. Features include manual recording and playback for comprehensive monitoring.

**Highlights:** Reversing/blind spot visualization, Intelligent electronic rearview mirror, Real-time video viewing, Manual recording and playback, Mirror/positive image adjustment, Ruler line selection

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

**In-app purchases:** none


### Onnais

[App page](https://appshunter.io/ios/app/onnais/id6742645755)

**In-app purchases:** none


## Frequently asked questions

### Is BackCam free?

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

### Is Onnais free?

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

### Which has better reviews, BackCam or Onnais?

BackCam is rated higher. BackCam averages 3.5 out of 5 from 2 ratings, while Onnais averages 2.3 from 3 ratings.

### Do BackCam or Onnais have ads?

Neither BackCam nor Onnais shows ads.

### Which is updated more often, BackCam or Onnais?

BackCam ships an update every 3 weeks, and Onnais monthly. Most recently, BackCam was updated on October 24, 2026 and Onnais on October 24, 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.*