# MRT vs Renogy

The clearest difference is rating: Renogy at 3.8 against MRT's 1.5. Renogy also leads on ratings volume (799 vs 28) and update cadence (every 2 weeks vs every 2 months). MRT's advantage is iOS requirement (9.0 vs 13.0). On price, review sentiment, 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.

Renogy holds the better App Store score, 3.8 against 1.5. That said, the two scores are not equally well evidenced: Renogy has 799 ratings behind it against 28, so its average is the more settled of the two. Written reviews point the same way: 8% of MRT's written reviews are positive against 11% of Renogy's.

MRT ships an update every 2 months, Renogy every 2 weeks. The most recent releases landed on September 21, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | MRT | Renogy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (28 ratings)](https://appshunter.io/ios/app/mrt-camera/id1474609736/reviews) | **[3.8 (799 ratings)](https://appshunter.io/ios/app/renogy/id1495327014/reviews)** |
| Number of ratings | 28 | **799** |
| Positive reviews | 8.0% of reviews | **10.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 43 MB | 74 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) | [Renogy Suzhou Co.,Ltd.](https://appshunter.io/developer/1490992894) |

## 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


### Renogy

[App page](https://appshunter.io/ios/app/renogy/id1495327014)

Monitor your off-grid solar energy systems in real-time, configure devices remotely, and connect with a community of solar enthusiasts. Share your DIY projects, learn from others, and access exclusive promotions and rewards.

**Highlights:** Real-time energy monitoring, Device settings configuration, Online DIY learning and sharing, Exclusive rewards and promotions, Access to online store

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to set up and configure
- 🚀 Plug and go functionality
- 🔋 Decent battery monitoring

**What reviewers complain about**

- 🐛 Frequent connectivity issues
- 🔍 Inaccurate or missing data
- 📱 Requires internet connection to function
- 🤖 Overly complex UI with unnecessary features

**Reported bugs**

- App crashes on launch after updates
- Login/account creation issues
- Bluetooth pairing problems

**Requested features**

- Detailed battery health and usage history
- Customizable alerts and notifications
- Apple Watch support
- Offline mode for remote monitoring


## Frequently asked questions

### Is MRT free?

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

### Is Renogy free?

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

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

Renogy is rated higher. MRT averages 1.5 out of 5 from 28 ratings, while Renogy averages 3.8 from 799 ratings.

### Do MRT or Renogy have ads?

Neither MRT nor Renogy shows ads.

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

MRT ships an update every 2 months, and Renogy every 2 weeks. Most recently, MRT was updated on September 21, 2026 and Renogy on September 23, 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.*