# Just Timer vs FocuDOS

The clearest difference is ads: FocuDOS at none against Just Timer's shown. Just Timer's advantage is update cadence (daily vs every 2 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Just Timer ships an update daily, FocuDOS every 2 weeks. The most recent releases landed on November 9, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | Just Timer | FocuDOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/focudos-adhd/id6811776981/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 2 weeks |
| Monetization | — | Free |
| Size | 5 MB | 7 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [BYNET](https://appshunter.io/developer/1811735131) | [草帽公社](https://appshunter.io/developer/1855749198) |

## What reviewers say

### Just Timer

[App page](https://appshunter.io/ios/app/just-timer-fast/id6756530301)

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

**In-app purchases:** none


### FocuDOS

[App page](https://appshunter.io/ios/app/focudos-adhd/id6811776981)

This retro DOS-style tool helps you focus on tasks with customizable timers, task management, and progress tracking. It offers ambient sounds and lock screen widgets to enhance your concentration and review your time allocation.

**Highlights:** Customizable countdown and count-up timers, Task creation with categories and notes, Daily goals and progress statistics, White and brown noise options, Lock screen real-time activity display, CSV data export

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

**In-app purchases:** none


## Frequently asked questions

### Is Just Timer free?

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

### Is FocuDOS free?

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

### Do Just Timer or FocuDOS have ads?

Just Timer shows ads; FocuDOS does not.

### Which is updated more often, Just Timer or FocuDOS?

Just Timer ships an update daily, and FocuDOS every 2 weeks. Most recently, Just Timer was updated on November 9, 2026 and FocuDOS on November 11, 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.*