# OMMI SISSI vs PARKEY

The clearest difference is update cadence: PARKEY at every 4 weeks against OMMI SISSI's every 3 months. 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.

OMMI SISSI ships an update every 3 months, PARKEY every 4 weeks. The most recent releases landed on September 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | OMMI SISSI | PARKEY |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 weeks** |
| Size | 67 MB | 90 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [HASSEN BEN MANSOUR](https://appshunter.io/developer/1593895659) | [mobyera](https://appshunter.io/developer/1793061225) |

## What reviewers say

### OMMI SISSI

[App page](https://appshunter.io/ios/app/ommi-sissi/id1593895657)

**Features:** macOS Compatibility

**In-app purchases:** none


### PARKEY

[App page](https://appshunter.io/ios/app/parkey/id6741097430)

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

**In-app purchases:** none


## Frequently asked questions

### Is OMMI SISSI free?

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

### Is PARKEY free?

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

### Do OMMI SISSI or PARKEY have ads?

Neither OMMI SISSI nor PARKEY shows ads.

### Which is updated more often, OMMI SISSI or PARKEY?

OMMI SISSI ships an update every 3 months, and PARKEY every 4 weeks. Most recently, OMMI SISSI was updated on September 30, 2026 and PARKEY on October 28, 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.*