# FlowStack vs OneTask ADHD Focus Timer

The clearest difference is iOS requirement: FlowStack at 16.2 against OneTask ADHD Focus Timer's 18.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. FlowStack sells 3 in-app purchases, starting at $4.99 per month and OneTask ADHD Focus Timer sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

FlowStack ships an update every 5 days, OneTask ADHD Focus Timer weekly. The most recent releases landed on September 23, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | FlowStack | OneTask ADHD Focus Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (8 ratings)](https://appshunter.io/ios/app/flowstack-focus-and-routine/id6739469633/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | Freemium | — |
| Size | 115 MB | 15 MB |
| Requires iOS | **16.2** | 18.6 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Nero studios](https://appshunter.io/developer/1785499015) | [QUANTUMPARADOX STUDIO PRIVATE LIMITED](https://appshunter.io/developer/1095662507) |

## What reviewers say

### FlowStack

[App page](https://appshunter.io/ios/app/flowstack-focus-and-routine/id6739469633)

This app helps you beat procrastination and sharpen focus with a simple timer and task manager. Organize your day into routines, stack tasks sequentially, and track your progress with built-in statistics. Ideal for individuals with ADHD, students, and professionals seeking enhanced productivity.

**Highlights:** Flexible task timer, Stack tasks sequentially, Build habits with daily routines, ADHD-friendly focus, Live Activities and Dynamic Island integration, Track daily & weekly stats, Unlimited tasks (free version)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium access monthly | $4.99 | per month |
| Premium access yearly | $22.99 | per year |
| Lifetime | $39.99 | one-time |


### OneTask ADHD Focus Timer

[App page](https://appshunter.io/ios/app/onetask-adhd-focus-timer/id6757357252)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Focus · Gentle Focus Plan | $4.99 | per month |
| Yearly Focus · Gentle Focus Plan | $29.99 | per year |


## Frequently asked questions

### Is FlowStack free?

FlowStack is free to download, with in-app purchases available.

### Is OneTask ADHD Focus Timer free?

OneTask ADHD Focus Timer is free to download, with in-app purchases available.

### Do FlowStack or OneTask ADHD Focus Timer have ads?

Neither FlowStack nor OneTask ADHD Focus Timer shows ads.

### Which is updated more often, FlowStack or OneTask ADHD Focus Timer?

FlowStack ships an update every 5 days, and OneTask ADHD Focus Timer weekly. Most recently, FlowStack was updated on September 23, 2026 and OneTask ADHD Focus Timer on October 2, 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.*