Comparison

OneTask ADHD Focus Timer vs Just One

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

Head to head
About

OneTask ADHD Focus Timer

Features
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Stop juggling. Start finishing. OneTask is for ADHD brains with 47 tabs open and nothing done. No folders. No tags. No priority matrix. Just one task, a timer, and the satisfaction of actually getting something done. BRAIN DUMP - Get everything out of your head Type out every task weighing on you. No judgment, no organizing. Then pick ONE and start the timer. BUILT FOR ADHD MINDS - One task visible at a time (no overwhelming lists) - Timer that makes time feel real (time blindness? solved) - Streak tracking for dopamine hits - Brain dump to beat task paralysis - Mascot (Bit) cheers you on FREE FOREVER - 1 focus session per day, always free - 7-day full Pro trial, no payment needed PRO UNLOCKS - Unlimited sessions - Full history & insights - Streak freeze protection - Unlimited brain dumps Finally finish something today. You don't need another planner. You need to finish one thing today. OneTask is for people who are done planning and ready to execute. One task at a time. Subscription Pricing: - $4.99 / month - $29.99 / year Payment will be charged to your Apple ID account at confirmation of purchase. Subscription automatically renews unless canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your App Store account settings after purchase. Terms of Use: https://www.apptodesign.com/onetask/terms/ Privacy Policy: https://www.apptodesign.com/onetask/privacy/ PRIVACY Your tasks stay on your device and in your iCloud. No ads. No tracking. No data selling. PHILOSOPHY Do less. Finish more.

About

Just One

Read full description

Just One - One task at a time. Most productivity apps give you more to manage. Just One does the opposite. You choose one task. You finish it. Only then can you start the next. No lists. No juggling. No overwhelm. ------ HOW IT WORKS 1. Set your one thing - Decide what matters right now and commit to it. 2. Stay focused - Your task stays on screen. You cannot create a new one until it is done. 3. Finish and move on - Mark it complete, then choose your next focus. 4. Be honest with yourself - Did not finish? Carry it forward or let it go, but you have to decide. ------ FEATURES * One task at a time * Daily focus screen * Streak tracking * Calendar view * Progress tracking * Light and dark mode * Adjustable text size * No account required ------ BUILT FOR * People who feel overwhelmed by to-do lists * People who start but struggle to finish * People who want clarity, not complexity ------ NOT FOR * Complex project management * Team collaboration * Full task lists and planning systems ------ PRIVACY Your data stays on your device. We do not collect personal data.

Screenshots

OneTask ADHD Focus Timer4 screens
Just One4 screens

Verdict

The call

The clearest difference is in-app purchases: Just One at none against OneTask ADHD Focus Timer's 2. Just One also leads on update cadence (daily vs weekly) and iOS requirement (15.6 vs 18.6). On price, ads and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. OneTask ADHD Focus Timer sells 2 in-app purchases, starting at $4.99 per month. Just One asks for nothing beyond the download.

UpkeepUpdate frequency

OneTask ADHD Focus Timer ships an update weekly, Just One daily. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

Scorecard3 real differences ยท 3 level
OneTask ADHD Focus Timer versus Just One: the parameters behind the verdict, then further details
ParameterOneTask ADHD Focus TimerJust One
PriceFreeFree
Update frequencyWeeklyDaily โ€” better
AdsNoNo
In-app purchasesYesNo โ€” better
DevicesiPhone, Apple WatchiPhone, iPod
Requires iOS18.615.6 โ€” better
Further details โ€” not scored
Size15 MB18 MB
Age rating4+4+
DeveloperQUANTUMPARADOX STUDIO PRIVATE LIMITEDRaving Code

In-app purchases

2 purchases

OneTask ADHD Focus Timer

Subscriptions2
  • Monthly Focus ยท Gentle Focus Plan$4.991 Month
  • Yearly Focus ยท Gentle Focus Plan$29.991 Year
None

Just One

No in-app purchases

Questions

Is OneTask ADHD Focus Timer free?
OneTask ADHD Focus Timer is free to download, with in-app purchases available.
Is Just One free?
Just One is free to download, with no in-app purchases.
Do OneTask ADHD Focus Timer or Just One have ads?
Neither OneTask ADHD Focus Timer nor Just One shows ads.
Which is updated more often, OneTask ADHD Focus Timer or Just One?
OneTask ADHD Focus Timer ships an update weekly, and Just One daily. Most recently, OneTask ADHD Focus Timer was updated on October 2, 2026 and Just One on October 7, 2026.

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