FocusU vs ONE
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
FocusU
This app helps you overcome procrastination by displaying only one task at a time, making it easier to start and complete your to-dos. It offers AI-powered task breakdown, a focus timer, and a daily reminder to keep you on track.
- One task at a time display
- AI-powered task breakdown
- Focus Timer (Pomodoro-style)
- Task completion tracking
- Daily reminders
- Dark Mode support
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Too many to-dos and not sure where to start? FocusU shows only the one task you should do right now. - One task at a time: the oldest task is the only one on screen, so you just start. Nothing to sort, decide or forget, which makes it ADHD-friendly - Postpone up to 3 times: after that the task is let go automatically, so your list never piles up - Look back on finished tasks with a stacked view and an activity grid - Task Breakdown: AI splits a big task into three small steps you can start now. 5 free, then watch one ad per breakdown or go unlimited with Pro - Focus Timer (pomodoro-style) for deep work - A daily reminder at the time you choose - Dark Mode support Beat procrastination, one task at a time. FocusU Pro An auto-renewable subscription that unlocks unlimited Task Breakdown, Focus Report (streaks, a 7-day chart, time to complete), Daily Goal and 11 Theme Colors including pastels (monthly or yearly plan, 1-week free trial for new subscribers). Payment is charged to your Apple ID at confirmation of purchase. The subscription renews automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel it anytime in your App Store account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sakurawi.notion.site/FocusU-2aa7f1ea1f9180189524f702dd69d016
ONE
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Not another to-do list. ONE Focus is a single-task focus timer for a deeper life. You commit to one thing at a timeβnothing else on screen, nothing competing for your attention. WHY ONE FOCUS? β’ One thing only β no lists, no tabs, no clutter β’ Start in one line β type a title, press return, begin β’ Gentle accountability β a progress check-in every 45 minutes β’ Five-step progress β 0, 25, 50, 75, or 100%, with an optional note β’ Quiet by design β no streak anxiety, no gamification, no noise β’ Night quiet hours β no notifications between 22:00 and 09:00 β’ Minimal history β see what you've finished, nothing more HOW IT WORKS 1. Enter one thing and start 2. Stay with it β elapsed time keeps you honest 3. Respond to check-ins when prompted (or update progress anytime) 4. Mark complete when you're done 5. Move on to the next moment DESIGNED TO FEEL CALM Editorial Noir typography, generous whitespace, and champagne-gold accents. Dark-first. No feature bloat. No account required. Everything stays on your device. Built for focus, study, deep work, and everyday presenceβreading to your child, cooking a meal, taking a walk, creating something meaningful, or simply being here. Download. Pick one thing. Live it fully.
Screenshots
Verdict
The clearest difference is in-app purchases: ONE at none against FocusU's 2. ONE also leads on ads (none vs shown). FocusU's advantage is update cadence (every 4 days vs every 2 weeks). On price, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. FocusU sells 2 in-app purchases, starting at $1.99 per month. ONE asks for nothing beyond the download.
FocusU ships an update every 4 days, ONE every 2 weeks. Both last shipped on October 28, 2026.
| Parameter | FocusU | ONE |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | β |
| Update frequency | Every 4 days β better | Every 2 weeks |
| Ads | Yes | No β better |
| In-app purchases | Yes | No β better |
| Monetization | Free with in-app purchases | β |
| Devices | iPhone | iPhone |
| Requires iOS | 18.5 | 17.0 β better |
| Further details β not scored | ||
| Size | 11 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Kota Sakurai | ιͺι£ ζ¦ |
In-app purchases
FocusU
- FocusU Pro (Monthly)7 Days trial$1.991 Month
- FocusU Pro (Yearly)7 Days trial$14.991 Year
ONE
No in-app purchases
Questions
Is FocusU free?
Is ONE free?
Do FocusU or ONE have ads?
Which is updated more often, FocusU or ONE?
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