# CorPatch vs Alissa

The clearest difference is update cadence: Alissa at fortnightly against CorPatch's every 4 months. CorPatch's advantage is iOS requirement (14.0 vs 16.4). 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.

CorPatch ships an update every 4 months, Alissa fortnightly. The most recent releases landed on October 18, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | CorPatch | Alissa |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Size | 53 MB | 30 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [SmartResQ GmbH](https://appshunter.io/developer/1830247029) | [Simon Hofmann](https://appshunter.io/developer/1896764612) |

## What reviewers say

### CorPatch

[App page](https://appshunter.io/ios/app/corpatch/id1570110910)

**Features:** Vision Pro support

**In-app purchases:** none


### Alissa

[App page](https://appshunter.io/ios/app/alissa-baby-diary/id6796643350)

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

**In-app purchases:** none


## Frequently asked questions

### Is CorPatch free?

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

### Is Alissa free?

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

### Do CorPatch or Alissa have ads?

Neither CorPatch nor Alissa shows ads.

### Which is updated more often, CorPatch or Alissa?

CorPatch ships an update every 4 months, and Alissa fortnightly. Most recently, CorPatch was updated on October 18, 2026 and Alissa 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.*