# Pet Zero vs CENGCEN

The clearest difference is rating: Pet Zero at 4.8 against CENGCEN's 2.2. Pet Zero also leads on review sentiment (50% vs 10%) and ratings volume (3.5K vs 16). CENGCEN's advantage is update cadence (every 3 weeks vs every 7 months) and iOS requirement (9.0 vs 14.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Pet Zero holds the better App Store score, 4.8 against 2.2. That said, the two scores are not equally well evidenced: Pet Zero has 3.5K ratings behind it against 16, so its average is the more settled of the two. Written reviews point the same way: 50% of Pet Zero's written reviews are positive against 10% of CENGCEN's.

Pet Zero ships an update every 7 months, CENGCEN every 3 weeks. The most recent releases landed on October 12, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Pet Zero | CENGCEN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (3.5K ratings)](https://appshunter.io/ios/app/pet-zero/id1507536028/reviews)** | [2.2 (16 ratings)](https://appshunter.io/ios/app/cengcen/id1516210428/reviews) |
| Number of ratings | **3.5K** | 16 |
| Positive reviews | **49.5% of reviews** | 10.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 189 MB | 68 MB |
| Requires iOS | 14.0 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [泽明 任](https://appshunter.io/developer/1270084552) | [Dongguan Langmeng Intelligent Technology Co. Ltd.](https://appshunter.io/developer/1450147870) |

## 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


### CENGCEN

[App page](https://appshunter.io/ios/app/cengcen/id1516210428)

Monitor and interact with your pets remotely using this mobile client for a smart pet snack machine. Watch your pets live, communicate with them, and dispense treats from anywhere.

**Highlights:** Remote pet monitoring, Live video feed, Two-way audio communication, Remote treat dispensing, Pet interaction interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pet Zero free?

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

### Is CENGCEN free?

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

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

Pet Zero is rated higher. Pet Zero averages 4.8 out of 5 from 3.5K ratings, while CENGCEN averages 2.2 from 16 ratings.

### Do Pet Zero or CENGCEN have ads?

Neither Pet Zero nor CENGCEN shows ads.

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

Pet Zero ships an update every 7 months, and CENGCEN every 3 weeks. Most recently, Pet Zero was updated on October 12, 2026 and CENGCEN 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.*