# FlowStack vs This One Thing

The clearest difference is price: FlowStack at Free against This One Thing's $4.99. FlowStack also leads on update cadence (every 5 days vs every 6 weeks) and iOS requirement (16.2 vs 26.0). This One Thing's advantage is in-app purchases (none vs 3). On ads and device support there is nothing between them.

FlowStack is free to download; This One Thing costs $4.99 up front. FlowStack sells 3 in-app purchases, starting at $4.99 per month. This One Thing asks for nothing beyond the download.

FlowStack ships an update every 5 days, This One Thing every 6 weeks. The most recent releases landed on October 10, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | FlowStack | This One Thing |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| 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 | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 6 weeks |
| Monetization | Freemium | — |
| Size | 115 MB | 1 MB |
| Requires iOS | **16.2** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nero studios](https://appshunter.io/developer/1785499015) | [Nikola Knezevic](https://appshunter.io/developer/1774051159) |

## 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 |


### This One Thing

[App page](https://appshunter.io/ios/app/this-one-thing-single-task/id6753627958)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FlowStack free?

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

### Is This One Thing free?

This One Thing costs $4.99, with no in-app purchases.

### Do FlowStack or This One Thing have ads?

Neither FlowStack nor This One Thing shows ads.

### Which is updated more often, FlowStack or This One Thing?

FlowStack ships an update every 5 days, and This One Thing every 6 weeks. Most recently, FlowStack was updated on October 10, 2026 and This One Thing on October 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*