# resTI vs winkk AI

The clearest difference is update cadence: winkk AI at fortnightly against resTI's every 14 months. resTI's advantage is iOS requirement (11.0 vs 15.6). 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.

resTI ships an update every 14 months, winkk AI fortnightly. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | resTI | winkk AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Fortnightly** |
| Size | 10 MB | 69 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Reinhold Kloihofer](https://appshunter.io/developer/1421374945) | [winkk GmbH](https://appshunter.io/developer/1734423159) |

## What reviewers say

### resTI

[App page](https://appshunter.io/ios/app/resti/id1449416286)

**Features:** macOS Compatibility

**In-app purchases:** none


### winkk AI

[App page](https://appshunter.io/ios/app/winkk-ai/id6748229146)

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

**In-app purchases:** none


## Frequently asked questions

### Is resTI free?

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

### Is winkk AI free?

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

### Do resTI or winkk AI have ads?

Neither resTI nor winkk AI shows ads.

### Which is updated more often, resTI or winkk AI?

resTI ships an update every 14 months, and winkk AI fortnightly. Most recently, resTI was updated on November 2, 2026 and winkk AI on October 30, 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.*