Atteno vs Only Three
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Atteno
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γ Return to the Essence of Focus γ Atteno is a minimalist focus timer for study, deep work, and long-term time tracking on iPhone and iPad. γ Core Focus Tools γ β’ Flexible Timer: Count up, countdown, and Pomodoro modes in one app. β’ Immersive Experience: Breathing visuals with ambient sounds like rain, forest, and piano, plus local audio import. β’ Focus Tracking: Session history and heatmap views help you see both daily effort and long-term consistency. β’ Offline First: Fully usable without an internet connection. γ Free Insights γ β’ Redesigned Insights dashboard for clearer trends and faster reading. β’ New interactive heatmap with drill-down details and more flexible filters. β’ Insights "All" view is now free (moved from legacy Pro access). γ Pro Tools, One-Time Purchase γ Upgrade to Pro to unlock sync and deeper customization. No subscriptions: β’ Optional iCloud Sync across iPhone, iPad, and Mac. β’ Interval chimes for yoga, meditation, and advanced timing routines. β’ Unlimited tags, custom Pomodoro templates, themes, and sound uploads. γ Your Data, Your Control γ β’ Local-first by default. β’ Manual export and import supported for backup and migration. β’ Sync uses your private Apple ID via CloudKit. Developers cannot access your data. γ Universal Purchase γ Pay once and unlock Pro on iPhone, iPad, and Mac. Download Atteno and build a focus system that stays simple, private, and consistent across devices.
Only Three
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Most to-do lists donβt work. They capture tasks, but don't help you complete them. Only Three is different. Instead of endless tasks and cluttered lists, you choose just three things to complete each day. Thatβs it. Simple, focused, and effective. Clarity, not clutter. Why it works Plan your priorities the night before. No more long lists. Just the three things that actually matter. Built for focus. Feel accomplished daily. Review your History and keep across completed tasks. Finish your three tasks and end the day with a clear win. No accounts, no distractions. Your tasks stay on your device. Open the app and go. Stop planning everything. Start finishing what matters. Let's start, with Only Three.
Screenshots
Verdict
The clearest difference is in-app purchases: Only Three at none against Atteno's 1. Only Three also leads on update cadence (every 2 weeks vs every 4 weeks). On price, ads, device support and iOS requirement 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
Both are free to download. Atteno sells 1 one-off in-app purchase. Only Three asks for nothing beyond the download.
Atteno ships an update every 4 weeks, Only Three every 2 weeks. The most recent releases landed on September 13, 2026 and September 10, 2026 respectively.
| Parameter | Atteno | Only Three |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 weeks | Every 2 weeks β better |
| Ads | No | No |
| In-app purchases | Yes | No β better |
| Devices | iPhone, iPad, Mac β better | iPhone, iPod |
| Requires iOS | 16.1 | 15.1 β better |
| Further details β not scored | ||
| Size | 35 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | εζ ζ¨ | Alan Pooley |
In-app purchases
Atteno
- Atteno Pro Lifetime$4.99
Only Three
No in-app purchases








