One Big Thing vs Just One Thing
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
One Big Thing
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A Todo app with ONE big difference. Set an intention for your day with one big thing. Review your previous Big Things. Receive notifications to remind you to check in on your big thing, and mark it as complete if you've done it.
Just One Thing
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.
- Focus on one task at a time
- Avoid overwhelm
- Build daily streaks
- Preset and custom tasks
- Celebrate progress
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Just One Thing - Do Less, Move Forward Just One Thing helps you simplify your day by focusing on one meaningful task at a time. If you’ve ever felt overwhelmed by long to-do lists or unsure where to start, this app is for you. Just One Thing encourages small daily wins that help you build momentum, stay consistent, and feel in control. Why it works: - Avoid overwhelm by limiting how much you take on each day - Stay consistent without pressure - Build a streak that motivates you - Focus on what matters, not just doing more How it works: 1. Start with just one task - no matter how small. 2. Complete it to build your streak and unlock more task slots. 3. Choose from helpful preset tasks or create your own. 4. Celebrate progress - not perfection. Whether it’s opening a window, stretching, or messaging a friend, Just One Thing helps you show up and feel good doing it. Build better habits. One task at a time. Download Just One Thing and feel the power of doing less - with more intention.
Screenshots
Verdict
The clearest difference is update cadence: One Big Thing at every 2 months against Just One Thing's every 7 months. One Big Thing also leads on iOS requirement (17.6 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
One Big Thing ships an update every 2 months, Just One Thing every 7 months. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.
| Parameter | One Big Thing | Just One Thing |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 months — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.6 — better | 26.0 |
| Further details — not scored | ||
| Size | 1 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Thomas Chatting | Tyler Ferrington |
In-app purchases
One Big Thing
No in-app purchases
Just One Thing
No in-app purchases
