# Pet Zero vs ROJECO

The clearest difference is ratings volume: Pet Zero at 3.5K against ROJECO's 328. Pet Zero also leads on update cadence (every 7 months vs every 16 months). On price, rating, review sentiment 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.

On the App Store both sit at effectively the same score — 4.8 for Pet Zero against 4.8 for ROJECO. That said, the two scores are not equally well evidenced: Pet Zero has 3.5K ratings behind it against 328, so its average is the more settled of the two. Written reviews are what separate them: 51% of Pet Zero's written reviews are positive against 55% of ROJECO's.

Pet Zero ships an update every 7 months, ROJECO every 16 months. The most recent releases landed on September 20, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Pet Zero | ROJECO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (3.5K ratings)](https://appshunter.io/ios/app/pet-zero/id1507536028/reviews) | [4.8 (328 ratings)](https://appshunter.io/ios/app/rojeco/id1609197918/reviews) |
| Number of ratings | **3.5K** | 328 |
| Positive reviews | 51.0% of reviews | **54.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 16 months |
| Monetization | Free | Free |
| Size | 189 MB | 207 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [泽明 任](https://appshunter.io/developer/1270084552) | [Nanchang YueLing Technology Co., Ltd](https://appshunter.io/developer/1609197920) |

## What reviewers say

### Pet Zero

[App page](https://appshunter.io/ios/app/pet-zero/id1507536028)

This app facilitates communication and remote management of pets through smart feeders. It allows for timed and manual feeding, real-time video monitoring, two-way audio, and notifications for low food levels.

**Highlights:** Timed pet feeding, Remote manual feeding, Low food notifications, Real-time video monitoring, Two-way audio communication, Feeding record tracking

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Reliable and consistent
- 🔒 Secure connection
- 👍 Easy to use app
- 👍 Convenient for pet owners
- 👍 Helpful for managing pet's diet

**What reviewers complain about**

- 🐛 Connectivity issues
- 🐛 Notifications not working
- 🐛 Frequent sign-outs
- 🐛 Inconsistent feeding
- 🐛 Difficulty updating network information

**Reported bugs**

- Feeding schedule not saving
- Login button not working
- Portion size issues for larger pets
- Feeding history not recorded during sign-outs

**Requested features**

- Vacation mode to pause feeding
- Delay option for multiple feeders
- AM/PM time selection
- Siri Shortcuts integration
- Confirmation for manual feeding


### ROJECO

[App page](https://appshunter.io/ios/app/rojeco/id1609197918)

Manage your pet's intelligent life with this app. It offers remote control for devices, scientific feeding schedules, and the ability to manage multiple smart pet gadgets simultaneously. Share access with family for a connected pet care experience.

**Highlights:** Remote device control, Manage multiple smart devices, Scientific feeding schedules, One-click device sharing, Fast networking

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use and functional
- 👍 Great convenience for pet feeding
- 👍 Reliable and eliminates worry
- 👍 Helpful for managing pet meals
- 👍 Intuitive app design

**What reviewers complain about**

- 🐛 App crashes or freezes sometimes
- 🐛 App doesn't connect at all
- 🐛 Buttons are greyed out
- 🐛 Unable to log in after update
- 🐛 Device not responding with Alexa

**Reported bugs**

- App update caused login errors
- All buttons greyed out, requires update that isn't available
- Alexa integration not working
- Device not appearing in assignment list for Alexa scenes

**Requested features**

- Alert mobile when food is low
- Allow more than 10 doses of food per day
- Implement Siri shortcuts integration
- Connect devices with Alexa
- Option to disable animations for accessibility


## Frequently asked questions

### Is Pet Zero free?

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

### Is ROJECO free?

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

### Which has better reviews, Pet Zero or ROJECO?

Pet Zero and ROJECO are both rated 4.8 out of 5 on the App Store, from 3.5K and 328 ratings respectively.

### Do Pet Zero or ROJECO have ads?

Neither Pet Zero nor ROJECO shows ads.

### Which is updated more often, Pet Zero or ROJECO?

Pet Zero ships an update every 7 months, and ROJECO every 16 months. Most recently, Pet Zero was updated on September 20, 2026 and ROJECO on September 24, 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.*