# One Big Thing vs Just One Thing

One Big Thing and Just One Thing are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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.

## The numbers

| Metric | One Big Thing | Just One Thing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/just-one-thing/id6747953045/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | — | Free |
| Size | 1 MB | 6 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Chatting](https://appshunter.io/developer/1811425476) | [Tyler Ferrington](https://appshunter.io/developer/1803061537) |

## What reviewers say

### One Big Thing

[App page](https://appshunter.io/ios/app/one-big-thing/id6745229950)

**Features:** macOS Compatibility

**In-app purchases:** none


### Just One Thing

[App page](https://appshunter.io/ios/app/just-one-thing/id6747953045)

This app helps you simplify your day by focusing on a single meaningful task. It encourages small daily achievements to build momentum and consistency, preventing overwhelm from long to-do lists. Celebrate progress, not perfection, and build better habits one task at a time.

**Highlights:** Focus on one task at a time, Avoid overwhelm, Build daily streaks, Preset and custom tasks, Celebrate progress

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

**In-app purchases:** none


## Frequently asked questions

### Is One Big Thing free?

One Big Thing is free to download, with no in-app purchases.

### Is Just One Thing free?

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

### Do One Big Thing or Just One Thing have ads?

Neither One Big Thing nor Just One Thing shows ads.

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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.*