Comparison

1 Big Task vs Countdown Timer

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

Head to head
About

1 Big Task

Features
Read full description

1 Big Task is the anti-to-do app designed for cognitive relief. Instead of overwhelming you with endless lists, 1 Big Task shows you just ONE task at a time. Complete it, or move it to later. That's it. DESIGNED FOR ACCESSIBILITY Created by a legally blind developer who uses the app daily, 1 Big Task is built from the ground up for: - ADHD & Executive Dysfunction - No decision paralysis from long lists - Autism - Predictable, calm interface with sensory-friendly themes - Anxiety - Reduces overwhelm by hiding the mountain of tasks - Low Vision - Large text, high contrast themes, VoiceOver optimized - Dyslexia - Clean fonts, focus-friendly wallpapers - Motor Difficulties - Large tap targets, simple gestures - Older Adults - Straightforward design, no clutter HOW IT WORKS 1. Add your tasks 2. See only your top task 3. Tap Done or Later 4. Repeat It's that simple. No categories. No priorities. No due dates cluttering your view. Just one task, right now. FEATURES - One Task Focus - See only what matters now - 43 Thoughtfully Designed Themes - From high contrast to calming pastels - Voice Memos - Record tasks when typing is hard - Text-to-Speech - Hear your task read aloud in 50+ languages - Adjustable Text Sizes - From comfortable to extra large - Haptic Feedback - Satisfying confirmation when you complete tasks - Home Screen Widgets - See your current task at a glance - Siri Shortcuts - Add tasks with your voice - Keyboard Shortcuts - Full keyboard navigation for iPad and Mac - iCloud Sync - Your tasks on all your devices PREMIUM FEATURES - All 43 themes - Multi-language text-to-speech - iCloud sync across devices - Home Screen widgets - Custom wallpapers with accessibility-focused backgrounds 1 Big Task is proudly made by YouApps.co, creating apps that put accessibility first. "The app I wish existed when I was drowning in task lists." - Hassan, Founder T&Cs: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Countdown Timer

Features
Read full description

OneDial is a structured routine system built for focused execution. Create routines, break them into tasks, and run them seamlessly through an intuitive dial interface. Whether it’s a morning ritual, deep work session, or workout block, OneDial helps you stay intentional and in control. Free includes: β€’ One active routine β€’ Up to 5 tasks per routine β€’ Manual progression β€’ Clean, distraction-free design OneDial Pro unlocks: β€’ Unlimited routines β€’ Unlimited tasks β€’ Auto-play transitions β€’ Auto-loop functionality Built for clarity. Designed for execution. No clutter. No noise. Just structure. Privacy Policy: https://one-dial.vercel.app/privacy Terms of Service: https://one-dial.vercel.app/terms

Screenshots

1 Big Task4 screens
Countdown Timer4 screens

Verdict

The call

The clearest difference is iOS requirement: Countdown Timer at 15.1 against 1 Big Task's 17.0. On price, ads, in-app purchases and device support 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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. 1 Big Task sells 3 in-app purchases, starting at $2.99 per month and Countdown Timer sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference Β· 5 level
1 Big Task versus Countdown Timer: the parameters behind the verdict, then further details
Parameter1 Big TaskCountdown Timer
PriceFreeFree
Update frequencyβ€”Weekly
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad, iPod β€” better
Requires iOS17.015.1 β€” better
Further details β€” not scored
Size14 MB71 MB
Age rating4+4+
DeveloperHassan HattabDenys Koshman

In-app purchases

3 purchases

1 Big Task

Subscriptions2
  • Monthly$2.991 Month
  • Yearly Subscription$29.991 Year
One-time1
  • Lifetime Access$79.99
3 purchases

Countdown Timer

Subscriptions2
  • OneDial Pro Monthly$3.991 Month
  • OneDial Pro Yearly$29.991 Year
One-time1
  • OneDial Pro Lifetime$59.99

Questions

Is 1 Big Task free?
1 Big Task is free to download, with in-app purchases available.
Is Countdown Timer free?
Countdown Timer is free to download, with in-app purchases available.
Do 1 Big Task or Countdown Timer have ads?
Neither 1 Big Task nor Countdown Timer shows ads.

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