# Robotail vs Popur S7

The clearest difference is update cadence: Popur S7 at every 9 days against Robotail'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.

Robotail ships an update monthly, Popur S7 every 9 days. The most recent releases landed on September 10, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Robotail | Popur S7 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.2 (30 ratings)](https://appshunter.io/ios/app/popur-s7/id6756484154/reviews)** |
| Number of ratings | — | **30** |
| Positive reviews | — | 18.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | — | Free |
| Size | 143 MB | 47 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [HOMEROBOT LIMITED](https://appshunter.io/developer/1838364185) | [Popur International Limited](https://appshunter.io/developer/1648626825) |

## What reviewers say

### Robotail

[App page](https://appshunter.io/ios/app/robotail/id6752230544)

**Features:** macOS Compatibility

**In-app purchases:** none


### Popur S7

[App page](https://appshunter.io/ios/app/popur-s7/id6756484154)

Manage your smart cat litter box with this app. View device status, control cleaning cycles remotely, and customize settings for your pet's habits. Stay connected via Wi-Fi or Bluetooth for seamless operation and updates.

**Highlights:** Device dashboard with real-time status, Remote control of cleaning cycles, Customizable cleaning modes, Schedule cleaning and manage power, Wi-Fi and Bluetooth connectivity, Firmware updates

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

**In-app purchases:** none


## Frequently asked questions

### Is Robotail free?

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

### Is Popur S7 free?

Popur S7 is free to download, with no in-app purchases.

### Do Robotail or Popur S7 have ads?

Neither Robotail nor Popur S7 shows ads.

### Which is updated more often, Robotail or Popur S7?

Robotail ships an update monthly, and Popur S7 every 9 days. Most recently, Robotail was updated on September 10, 2026 and Popur S7 on September 21, 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.*