# Off Lens vs Car Fault Sound Guide

The clearest difference is price: Off Lens at Free against Car Fault Sound Guide's $0.99. Off Lens also leads on ads (none vs shown). Car Fault Sound Guide's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 18.0). On in-app purchases there is nothing between them.

Off Lens is free to download; Car Fault Sound Guide costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Off Lens | Car Fault Sound Guide |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/car-fault-sound-guide/id6758129607/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 2 months |
| Monetization | — | Paid |
| Size | 3 MB | 38 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Feiyun Technology Ltd.](https://appshunter.io/developer/1682668763) | [恒盛 程](https://appshunter.io/developer/1533201832) |

## What reviewers say

### Off Lens

[App page](https://appshunter.io/ios/app/off-lens/id6755901773)

**In-app purchases:** none


### Car Fault Sound Guide

[App page](https://appshunter.io/ios/app/car-fault-sound-guide/id6758129607)

Identify strange car noises quickly to diagnose potential problems. This app provides an extensive library of fault sounds with detailed explanations, helping you understand vehicle issues and communicate effectively with mechanics. It's fully offline and designed for easy navigation.

**Highlights:** Extensive fault sound library, Quick problem diagnosis, Detailed fault explanations, Fully offline functionality, Simple and clean interface, Professional reference for mechanics

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

**In-app purchases:** none


## Frequently asked questions

### Is Off Lens free?

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

### Is Car Fault Sound Guide free?

Car Fault Sound Guide costs $0.99, with no in-app purchases.

### Do Off Lens or Car Fault Sound Guide have ads?

Car Fault Sound Guide shows ads; Off Lens does not.

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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.*