# SmartTank Watch vs PetDot

The clearest difference is iOS requirement: PetDot at 12.0 against SmartTank Watch's 14.0. 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.

## The numbers

| Metric | SmartTank Watch | PetDot |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 5 days |
| Size | 41 MB | 52 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TankLink Corporation](https://appshunter.io/developer/1084784645) | [Xiaoermei Ltd](https://appshunter.io/developer/1753423172) |

## What reviewers say

### SmartTank Watch

[App page](https://appshunter.io/ios/app/smarttank-watch/id6477401293)

**Features:** macOS Compatibility

**In-app purchases:** none


### PetDot

[App page](https://appshunter.io/ios/app/petdot/id6738274841)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SmartTank Watch free?

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

### Is PetDot free?

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

### Do SmartTank Watch or PetDot have ads?

Neither SmartTank Watch nor PetDot shows ads.

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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.*