# COSYS BaseApp vs hellomateo

The clearest difference is update cadence: COSYS BaseApp at every 10 days against hellomateo's monthly. 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.

COSYS BaseApp ships an update every 10 days, hellomateo monthly. The most recent releases landed on September 15, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | COSYS BaseApp | hellomateo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Monthly |
| Size | 121 MB | 44 MB |
| Requires iOS | 15.5 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cosys Ident GmbH](https://appshunter.io/developer/1339758724) | [MATEO Estate GmbH](https://appshunter.io/developer/1621876109) |

## What reviewers say

### COSYS BaseApp

[App page](https://appshunter.io/ios/app/cosys-baseapp/id1590122203)

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

**In-app purchases:** none


### hellomateo

[App page](https://appshunter.io/ios/app/hellomateo/id1621876107)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is COSYS BaseApp free?

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

### Is hellomateo free?

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

### Do COSYS BaseApp or hellomateo have ads?

Neither COSYS BaseApp nor hellomateo shows ads.

### Which is updated more often, COSYS BaseApp or hellomateo?

COSYS BaseApp ships an update every 10 days, and hellomateo monthly. Most recently, COSYS BaseApp was updated on September 15, 2026 and hellomateo on September 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.*