# SOURCE INT vs Smart Kitty

The clearest difference is update cadence: Smart Kitty at every 3 weeks against SOURCE INT's every 3 months. Smart Kitty also leads on iOS requirement (12 vs 15.1). SOURCE INT's advantage is device support. On price and in-app purchases there is nothing between them.

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

SOURCE INT ships an update every 3 months, Smart Kitty every 3 weeks. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | SOURCE INT | Smart Kitty |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 126 MB | 12 MB |
| Requires iOS | 15.1 | **12** |
| Devices | **iPhone, iPad, iPod, Mac** | — |
| Age rating | 4+ | 4+ |
| Developer | [Source INT S.A](https://appshunter.io/developer/1049479470) | [READIY P S A](https://appshunter.io/developer/1695944073) |

## What reviewers say

### SOURCE INT

[App page](https://appshunter.io/ios/app/source-int/id1566314128)

**Features:** Vision Pro support

**In-app purchases:** none


### Smart Kitty

[App page](https://appshunter.io/ios/app/smart-kitty/id6464298492)

**In-app purchases:** none


## Frequently asked questions

### Is SOURCE INT free?

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

### Is Smart Kitty free?

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

### Which is updated more often, SOURCE INT or Smart Kitty?

SOURCE INT ships an update every 3 months, and Smart Kitty every 3 weeks. Most recently, SOURCE INT was updated on November 3, 2026 and Smart Kitty on October 25, 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.*