1 Big Task vs ONE
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
1 Big Task
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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/
ONE
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Everyone deals with a lot of responsibilities, Studies show that switching between tasks reduces efficiency by up to 40%. ONE THING recovers this wasted time by forcing attention onto a single point. Focus one thing at a time and you'll see how your 100 tasks reduce to 0. helps you track how much time you spend on task and helps you gain the habit of doing your chores regularly.
Screenshots
Verdict
The clearest difference is in-app purchases: ONE at none against 1 Big Task's 3. ONE also leads on iOS requirement (15.1 vs 17.0). 1 Big Task's advantage is ads (none vs shown). On price 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
Both are free to download. 1 Big Task sells 3 in-app purchases, starting at $2.99 per month. ONE asks for nothing beyond the download.
| Parameter | 1 Big Task | ONE |
|---|---|---|
| Price | Free | Free |
| Ads | No โ better | Yes |
| In-app purchases | Yes | No โ better |
| Devices | iPhone, iPad | iPhone, iPad, iPod โ better |
| Requires iOS | 17.0 | 15.1 โ better |
| Further details โ not scored | ||
| Size | 14 MB | 63 MB |
| Age rating | 4+ | 4+ |
| Developer | Hassan Hattab | Pablo Paez |
In-app purchases
1 Big Task
- Monthly$2.991 Month
- Yearly Subscription$29.991 Year
- Lifetime Access$79.99
ONE
No in-app purchases









