Comparison

Checkon vs OneTask ADHD Focus Timer

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

Head to head
About

Checkon

Features
Read full description

Meet Checkon - a calm, powerful checklist system built to help you move through your day with clarity. Turn any part of life into a clean structure: Folders → Checklists → Tasks. Use it for routines, work sprints, workouts, home, learning, or anything you want to repeat and improve. Why Checkon • Simple, satisfying checklists that keep you moving • Folders for every area of life (Work, Health, Home, Projects, etc.) • Pin what matters today so your priorities stay visible • Repeatable routines that reset on a schedule • Gentle flexibility when plans change (postpone and keep going) • Progress you can feel with a dashboard that makes momentum obvious • Search + Library to find anything fast • Stacks + playback for guided sessions and focus mode Free vs Checkon Pro Free includes: • Up to 5 folders • Up to 5 checklists • Up to 3 pinned checklists • Up to 3 favorites Checkon Pro unlocks: • Unlimited folders • Unlimited checklists • Unlimited pins & favorites • Custom Folder Widgets Made for real life Checkon is designed with ADHD in mind for people who want structure without stress. Start with the included demo checklists for inspiration, then customize everything into your own system. Checkon helps you stop thinking about what to do - and start doing it. Support: https://chase-on.com/pages/checkon-core-app-contact Privacy Policy: https://chase-on.com/pages/checkon-app-routine-power-house-privacy-policy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

OneTask ADHD Focus Timer

Features
Read full description

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.

Screenshots

Checkon4 screens
OneTask ADHD Focus Timer4 screens

Verdict

The call

The clearest difference is ads: OneTask ADHD Focus Timer at none against Checkon's shown. On price, update cadence, 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. Checkon sells 2 in-app purchases, starting at $2.99 per month and OneTask ADHD Focus Timer sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Checkon ships an update every 10 days, OneTask ADHD Focus Timer weekly. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.

Scorecard1 real difference · 5 level
Checkon versus OneTask ADHD Focus Timer: the parameters behind the verdict, then further details
ParameterCheckonOneTask ADHD Focus Timer
PriceFreeFree
Update frequencyEvery 10 daysWeekly — better
AdsYesNo — better
In-app purchasesYesYes
DevicesiPhone, iPad, Apple Watch — betteriPhone, Apple Watch
Requires iOS18.5 — better18.6
Further details — not scored
Size270 MB15 MB
Age rating17+4+
DeveloperAnthony ChaseQUANTUMPARADOX STUDIO PRIVATE LIMITED

In-app purchases

2 purchases

Checkon

Subscriptions2
  • Checkon Pro Monthly7 Days trial$2.991 Month
  • Checkon Pro Yearly7 Days trial$24.991 Year
2 purchases

OneTask ADHD Focus Timer

Subscriptions2
  • Monthly Focus · Gentle Focus Plan$4.991 Month
  • Yearly Focus · Gentle Focus Plan$29.991 Year

Questions

Is Checkon free?
Checkon is free to download, with in-app purchases available.
Is OneTask ADHD Focus Timer free?
OneTask ADHD Focus Timer is free to download, with in-app purchases available.
Do Checkon or OneTask ADHD Focus Timer have ads?
Checkon shows ads; OneTask ADHD Focus Timer does not.
Which is updated more often, Checkon or OneTask ADHD Focus Timer?
Checkon ships an update every 10 days, and OneTask ADHD Focus Timer weekly. Most recently, Checkon was updated on October 14, 2026 and OneTask ADHD Focus Timer on October 2, 2026.

Other comparisons