FlowStack vs OneTask ADHD Focus Timer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FlowStack
This app helps you beat procrastination and sharpen focus with a simple timer and task manager. Organize your day into routines, stack tasks sequentially, and track your progress with built-in statistics. Ideal for individuals with ADHD, students, and professionals seeking enhanced productivity.
- Flexible task timer
- Stack tasks sequentially
- Build habits with daily routines
- ADHD-friendly focus
- Live Activities and Dynamic Island integration
- Track daily & weekly stats
- Unlimited tasks (free version)
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No ads. No account required. Just focus. FlowStack is a simple productivity timer, task manager, and routine app designed to beat procrastination and sharpen focus by having a clear name and timer for your task. Use it as a flexible timer for personal, work or study tasks, daily routines, or a focus tool if you struggle with multitasking or constant task switching. FlowStack keeps you on track and making real progress, one task at a time. In FlowStack, each task or to-do has an estimated duration and a timer that starts ticking down when you start the session. This makes it easier starting the task, and helps you get into a flow state by focusing on one task at a time. The current task is also shown as a Live Activity and in the Dynamic Island, making it easy to stay on task even while you're using another app. Once you're done, FlowStack pushes you into the next task. Need more time to finish the first task? Simply add more time to the timer, or continue in a flow state where time is unlimited. If you want to use it as a to-do list rather than focus session, you can also complete a task without starting the timer. Perfect for: • Procrastinators who struggle getting started • People with ADHD seeking simple focus tools • Anyone organizing tasks into daily routines • Users wanting a simple system for recurring tasks • Fans of Pomodoro and Atomic Habits (habit stacking, time blocking) • Professionals and students boosting productivity and focus • Anyone starting good habits—fitness, mental health, cleaning, learning, etc. What makes FlowStack different? • Flexible task timer. Like Pomodoro, but customizable and clear • Stack tasks in sequence. Avoid distractions, build flow by doing tasks after eachother (habit stacking) • Build habits with daily routines (morning routine, workout, study, business tasks) • ADHD-friendly focus and clean time blocking, no clutter • Great for deep work, project planning, personal growth • Tasks, focus timers, routines all in one simple app Core features: • Stack tasks with individual timers to stay focused on one task at a time (Live Activities and Dynamic Island shows the current task name and time left) • Flexibly time block your schedule for focused productivity. Each task has an estimated duration, easily extendable in case you need more time for a task • Unlimited tasks & templates for recurring tasks (2 template/routine limit for free users, unlimited one-off tasks for free users) • Track daily & weekly stats for motivation • Lightweight, minimalist. No accounts, no ads, generous free version available FlowStack is your ADHD-friendly productivity tool to block distractions, maintain momentum, and stay organized. Whether you're tackling homework, working remotely, or aiming for a structured day, FlowStack turns your to-do list into action. Boost time management Stay productive with a built-in flexible Pomodoro timer Get motivated with simple progress tracking Apple terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
OneTask ADHD Focus Timer
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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.
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Verdict
The clearest difference is iOS requirement: FlowStack at 16.2 against OneTask ADHD Focus Timer's 18.6. On price, update cadence, ads and in-app purchases 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. FlowStack sells 3 in-app purchases, starting at $4.99 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.
FlowStack ships an update every 5 days, OneTask ADHD Focus Timer weekly. The most recent releases landed on September 23, 2026 and October 2, 2026 respectively.
| Parameter | FlowStack | OneTask ADHD Focus Timer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (8 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Every 5 days — better | Weekly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Requires iOS | 16.2 — better | 18.6 |
| Further details — not scored | ||
| Size | 115 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Nero studios | QUANTUMPARADOX STUDIO PRIVATE LIMITED |
In-app purchases
FlowStack
- Premium access monthly7 Days trial$4.991 Month
- Premium access yearly3 Days trial$22.991 Year
- Lifetime$39.99
OneTask ADHD Focus Timer
- Monthly Focus · Gentle Focus Plan$4.991 Month
- Yearly Focus · Gentle Focus Plan$29.991 Year
Questions
Is FlowStack free?
Is OneTask ADHD Focus Timer free?
Do FlowStack or OneTask ADHD Focus Timer have ads?
Which is updated more often, FlowStack or OneTask ADHD Focus Timer?
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