# C.O.S. AristaApp vs hellomateo

C.O.S. AristaApp and hellomateo are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

C.O.S. AristaApp ships an update every 2 weeks, hellomateo monthly. The most recent releases landed on September 17, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | C.O.S. AristaApp | hellomateo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Size | 37 MB | 43 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [C.O.S. Software GmbH](https://appshunter.io/developer/560073564) | [MATEO Estate GmbH](https://appshunter.io/developer/1621876109) |

## What reviewers say

### C.O.S. AristaApp

[App page](https://appshunter.io/ios/app/cos-aristaapp/id1598868944)

**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 C.O.S. AristaApp free?

C.O.S. AristaApp is free to download, with no in-app purchases.

### Is hellomateo free?

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

### Do C.O.S. AristaApp or hellomateo have ads?

Neither C.O.S. AristaApp nor hellomateo shows ads.

### Which is updated more often, C.O.S. AristaApp or hellomateo?

C.O.S. AristaApp ships an update every 2 weeks, and hellomateo monthly. Most recently, C.O.S. AristaApp was updated on September 17, 2026 and hellomateo on September 10, 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.*