# MRT vs LightElf

The clearest difference is rating: LightElf at 3.0 against MRT's 1.5. LightElf also leads on update cadence (every 3 weeks vs every 2 months). MRT's advantage is iOS requirement (9.0 vs 13.0). 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.

LightElf holds the better App Store score, 3.0 against 1.5. Both are backed by a comparable volume of ratings — 28 and 20 respectively. Written reviews point the same way: 8% of MRT's written reviews are positive against 15% of LightElf's.

MRT ships an update every 2 months, LightElf every 3 weeks. The most recent releases landed on September 21, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | MRT | LightElf |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (28 ratings)](https://appshunter.io/ios/app/mrt-camera/id1474609736/reviews) | **[3.0 (20 ratings)](https://appshunter.io/ios/app/lightelf/id6475085602/reviews)** |
| Number of ratings | **28** | 20 |
| Positive reviews | 8.0% of reviews | **15.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 43 MB | 60 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Shenzhen Huimei Shangpin Technology Co. LTD](https://appshunter.io/developer/1475442272) | [广文 李](https://appshunter.io/developer/1723107479) |

## What reviewers say

### MRT

[App page](https://appshunter.io/ios/app/mrt-camera/id1474609736)

View your car's surroundings in real-time using a connected WiFi camera. Capture photos and record videos directly through the mobile application. Includes a helpful reversing ruler for easier parking.

**Highlights:** Real-time car surroundings view, Take photos via mobile app, Record video via mobile app, Reversing ruler functionality

**In-app purchases:** none


### LightElf

[App page](https://appshunter.io/ios/app/lightelf/id6475085602)

Control Bluetooth-connected laser light devices to customize display parameters. Features include hand-drawn graffiti functionality for personalized light shows.

**Highlights:** Bluetooth laser light control, Display parameter customization, Hand-drawn graffiti feature, Personalized light shows

**In-app purchases:** none


## Frequently asked questions

### Is MRT free?

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

### Is LightElf free?

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

### Which has better reviews, MRT or LightElf?

LightElf is rated higher. MRT averages 1.5 out of 5 from 28 ratings, while LightElf averages 3.0 from 20 ratings.

### Do MRT or LightElf have ads?

Neither MRT nor LightElf shows ads.

### Which is updated more often, MRT or LightElf?

MRT ships an update every 2 months, and LightElf every 3 weeks. Most recently, MRT was updated on September 21, 2026 and LightElf on September 17, 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.*