# Deseria vs RoostFocus Timer

The clearest difference is ads: Deseria at none against RoostFocus Timer's shown. Deseria also leads on iOS requirement (15.0 vs 17.0). RoostFocus Timer's advantage is update cadence (every 2 weeks vs monthly). On price, 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.

Deseria ships an update monthly, RoostFocus Timer every 2 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | Deseria | RoostFocus Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 54 MB | 10 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Yurii Kolinko](https://appshunter.io/developer/6775457713) | [Nathaniel Knaggs](https://appshunter.io/developer/6793539803) |

## What reviewers say

### Deseria

[App page](https://appshunter.io/ios/app/deseria/id6775457711)

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

**In-app purchases:** none


### RoostFocus Timer

[App page](https://appshunter.io/ios/app/roostfocus-timer/id6807407377)

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

**In-app purchases:** none


## Frequently asked questions

### Is Deseria free?

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

### Is RoostFocus Timer free?

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

### Do Deseria or RoostFocus Timer have ads?

RoostFocus Timer shows ads; Deseria does not.

### Which is updated more often, Deseria or RoostFocus Timer?

Deseria ships an update monthly, and RoostFocus Timer every 2 weeks. Most recently, Deseria was updated on October 31, 2026 and RoostFocus Timer on October 31, 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.*