# 20 Seconds vs Just One Thing

The clearest difference is rating: Just One Thing at 5.0 against 20 Seconds's 4.5. Just One Thing also leads on in-app purchases (none vs 2). 20 Seconds's advantage is ratings volume (19 vs 1) and update cadence (every 3 months vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. 20 Seconds sells 2 one-off in-app purchases. Just One Thing asks for nothing beyond the download.

Just One Thing holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: 20 Seconds has 19 ratings behind it against 1, so its average is the more settled of the two.

20 Seconds ships an update every 3 months, Just One Thing every 7 months. The most recent releases landed on October 11, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | 20 Seconds | Just One Thing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (19 ratings)](https://appshunter.io/ios/app/20-seconds/id939295983/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/just-one-thing/id6747953045/reviews)** |
| Number of ratings | **19** | 1 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 7 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 41 MB | 9 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nishco Ltd](https://appshunter.io/developer/829598361) | [Tyler Ferrington](https://appshunter.io/developer/1803061537) |

## What reviewers say

### 20 Seconds

[App page](https://appshunter.io/ios/app/20-seconds/id939295983)

This app helps build new habits or break existing ones by using a 20-second countdown. It provides a progress indicator and optional sounds or music to aid in distraction and amusement during the countdown.

**Highlights:** 20-second habit timer, Progress indicator, Distracting sounds and music, Automatic start option, 30-day trial in Today widget

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Version | $0.99 | one-time |
| A Kind Tip | $0.99 | one-time |


### 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 20 Seconds free?

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

### Is Just One Thing free?

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

### Which has better reviews, 20 Seconds or Just One Thing?

Just One Thing is rated higher. 20 Seconds averages 4.5 out of 5 from 19 ratings, while Just One Thing averages 5.0 from 1 ratings.

### Do 20 Seconds or Just One Thing have ads?

Neither 20 Seconds nor Just One Thing shows ads.

### Which is updated more often, 20 Seconds or Just One Thing?

20 Seconds ships an update every 3 months, and Just One Thing every 7 months. Most recently, 20 Seconds was updated on October 11, 2026 and Just One Thing on October 18, 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.*