# Renogy vs OnlyCat

The clearest difference is review sentiment: OnlyCat at 91% against Renogy's 11%. OnlyCat also leads on rating (5.0 vs 3.8). Renogy's advantage is ads (none vs shown) and ratings volume (828 vs 2). On price, in-app purchases and device support there is nothing between them.

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

OnlyCat holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Renogy has 828 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 11% of Renogy's written reviews are positive against 91% of OnlyCat's.

Renogy ships an update every 2 weeks, OnlyCat every 3 months. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Renogy | OnlyCat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (828 ratings)](https://appshunter.io/ios/app/renogy/id1495327014/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/onlycat-smart-cat-flap/id6476429489/reviews)** |
| Number of ratings | **828** | 2 |
| Positive reviews | 10.6% of reviews | **90.9% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | **Free** | Ad-supported |
| Size | 74 MB | 61 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 17+ | 12+ |
| Developer | [Renogy Suzhou Co.,Ltd.](https://appshunter.io/developer/1490992894) | [OnlyCat](https://appshunter.io/developer/1726680557) |

## What reviewers say

### Renogy

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

Monitor your solar energy systems in real-time, configure device settings, and connect with a community of off-grid enthusiasts. Learn about solar solutions, share your own DIY projects, and access exclusive promotions and rewards.

**Highlights:** Real-time energy monitoring, Device settings configuration, Online DIY learning and sharing, Community forums for off-grid living, Exclusive promotions and rewards, Online store for solar products

**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


### OnlyCat

[App page](https://appshunter.io/ios/app/onlycat-smart-cat-flap/id6476429489)

This advanced cat flap uses AI to detect and prevent prey from entering your home. It offers selective access control for each pet, real-time notifications, and allows for timed curfews. Manage multiple cats and track their activities with personalized profiles and video highlights.

**Highlights:** AI prey detection, Selective access control, Smart notifications, Multi-cat management, Timed curfews, Activity tracking, Personalized cat profiles

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Renogy free?

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

### Is OnlyCat free?

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

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

OnlyCat is rated higher. Renogy averages 3.8 out of 5 from 828 ratings, while OnlyCat averages 5.0 from 2 ratings.

### Do Renogy or OnlyCat have ads?

OnlyCat shows ads; Renogy does not.

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

Renogy ships an update every 2 weeks, and OnlyCat every 3 months. Most recently, Renogy was updated on November 7, 2026 and OnlyCat on November 4, 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.*