# Pet Zero vs Smartlyn

The clearest difference is review sentiment: Pet Zero at 51% against Smartlyn's 6%. Pet Zero also leads on rating (4.8 vs 2.0) and ratings volume (3.5K vs 22). Smartlyn's advantage is update cadence (monthly vs every 7 months). 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 2.0. That said, the two scores are not equally well evidenced: Pet Zero has 3.5K ratings behind it against 22, so its average is the more settled of the two. Written reviews point the same way: 51% of Pet Zero's written reviews are positive against 6% of Smartlyn's.

Pet Zero ships an update every 7 months, Smartlyn monthly. The most recent releases landed on September 20, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Pet Zero | Smartlyn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (3.5K ratings)](https://appshunter.io/ios/app/pet-zero/id1507536028/reviews)** | [2.0 (22 ratings)](https://appshunter.io/ios/app/smartlyn/id6745936557/reviews) |
| Number of ratings | **3.5K** | 22 |
| Positive reviews | **51.0% of reviews** | 6.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | Free | Free |
| Size | 189 MB | 265 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [泽明 任](https://appshunter.io/developer/1270084552) | [深圳创智乐智能科技有限公司](https://appshunter.io/developer/1814558182) |

## 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


### Smartlyn

[App page](https://appshunter.io/ios/app/smartlyn/id6745936557)

Control your smart home devices with an intuitive interface designed for simpler living. This application offers a streamlined way to manage your connected devices.

**Highlights:** Smart device management, Simple user interface, Smarter living integration, Home automation control

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

**In-app purchases:** none


## Frequently asked questions

### Is Pet Zero free?

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

### Is Smartlyn free?

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

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

Pet Zero is rated higher. Pet Zero averages 4.8 out of 5 from 3.5K ratings, while Smartlyn averages 2.0 from 22 ratings.

### Do Pet Zero or Smartlyn have ads?

Neither Pet Zero nor Smartlyn shows ads.

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

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