Comparison

Just One Thing vs Focus One

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Focus on one task at a time
  • Avoid overwhelm
  • Build daily streaks
  • Preset and custom tasks
  • Celebrate progress
Features
Read full description

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.

About

Focus One

Features
Read full description

Focus One is a simple focus timer for people who want to start one task, stay with it, and reduce mental clutter. Choose what you will do now, set a timer, and begin. The app keeps the screen quiet so you can return to the one thing in front of you. The settings screen lets you choose the app language, so the app can be localized to the language you select. Useful for study, work, Pomodoro-style sessions, ADHD-friendly routines, and building a visible focus record over time.

Screenshots

Just One Thing4 screens
Focus One4 screens

Verdict

The call

The clearest difference is ads: Just One Thing at none against Focus One's shown. Focus One's advantage is update cadence (every 2 weeks vs every 7 months) and iOS requirement (18.0 vs 26.0). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Just One Thing ships an update every 7 months, Focus One every 2 weeks. The most recent releases landed on October 18, 2026 and October 15, 2026 respectively.

Scorecard3 real differences · 6 level
Just One Thing versus Focus One: the parameters behind the verdict, then further details
ParameterJust One ThingFocus One
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 7 monthsEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad — betteriPhone
Requires iOS26.018.0 — better
Further details — not scored
Size9 MB6 MB
Age rating4+4+
DeveloperTyler FerringtonBYNET

In-app purchases

None

Just One Thing

No in-app purchases

None

Focus One

No in-app purchases

Questions

Is Just One Thing free?
Just One Thing is free to download, with no in-app purchases.
Is Focus One free?
Focus One is free to download, with no in-app purchases.
Do Just One Thing or Focus One have ads?
Focus One shows ads; Just One Thing does not.
Which is updated more often, Just One Thing or Focus One?
Just One Thing ships an update every 7 months, and Focus One every 2 weeks. Most recently, Just One Thing was updated on October 18, 2026 and Focus One on October 15, 2026.

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