# Petmio vs Smart clean robot

The clearest difference is update cadence: Smart clean robot at every 4 days against Petmio's monthly. On price, ads, 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.

Petmio ships an update monthly, Smart clean robot every 4 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | Petmio | Smart clean robot |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Size | 147 MB | 69 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [继海 宋](https://appshunter.io/developer/782174911) | [Shanghai Tang En Intelligent Technology Co., Ltd.](https://appshunter.io/developer/6790301733) |

## What reviewers say

### Petmio

[App page](https://appshunter.io/ios/app/petmio/id6757685045)

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

**In-app purchases:** none


### Smart clean robot

[App page](https://appshunter.io/ios/app/smart-clean-robot/id6762189500)

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

**In-app purchases:** none


## Frequently asked questions

### Is Petmio free?

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

### Is Smart clean robot free?

Smart clean robot is free to download, with no in-app purchases.

### Do Petmio or Smart clean robot have ads?

Neither Petmio nor Smart clean robot shows ads.

### Which is updated more often, Petmio or Smart clean robot?

Petmio ships an update monthly, and Smart clean robot every 4 days. Most recently, Petmio was updated on October 25, 2026 and Smart clean robot on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*