# MRT vs eco

The clearest difference is rating: eco at 3.2 against MRT's 1.5. eco also leads on review sentiment (33% vs 8%) and update cadence (every 3 weeks vs every 2 months). MRT's advantage is iOS requirement (9.0 vs 13.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

eco holds the better App Store score, 3.2 against 1.5. Both are backed by a comparable volume of ratings — 28 and 41 respectively. Written reviews point the same way: 8% of MRT's written reviews are positive against 33% of eco's.

MRT ships an update every 2 months, eco every 3 weeks. The most recent releases landed on October 22, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | MRT | eco |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (28 ratings)](https://appshunter.io/ios/app/mrt-camera/id1474609736/reviews) | **[3.2 (41 ratings)](https://appshunter.io/ios/app/eco-worthy/id1630107624/reviews)** |
| Number of ratings | 28 | **41** |
| Positive reviews | 7.7% of reviews | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 43 MB | 138 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Huimei Shangpin Technology Co. LTD](https://appshunter.io/developer/1475442272) | [厦门一抠能源技术有限公司](https://appshunter.io/developer/1630107626) |

## 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


### eco

[App page](https://appshunter.io/ios/app/eco-worthy/id1630107624)

Monitor your photovoltaic energy storage systems remotely using your mobile device. This app provides essential tools for managing your solar power generation and storage.

**Highlights:** Remote monitoring, Mobile device management, Photovoltaic system control, Energy storage management

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

**In-app purchases:** none


## Frequently asked questions

### Is MRT free?

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

### Is eco free?

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

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

eco is rated higher. MRT averages 1.5 out of 5 from 28 ratings, while eco averages 3.2 from 41 ratings.

### Do MRT or eco have ads?

Neither MRT nor eco shows ads.

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

MRT ships an update every 2 months, and eco every 3 weeks. Most recently, MRT was updated on October 22, 2026 and eco on October 30, 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.*