Three vs Deep Session
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Three
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WELCOME TO THREE Most to-do lists donβt make you productive, they make you feel behind. Three is a minimal daily planner that helps you focus on what actually matters. Just set 3 tasks per day. No overwhelm. No pressure. Just progress. HOW IT WORKS β’ Plan up to 3 tasks each day β’ Stay focused on what matters β’ Check them off and feel accomplished β’ Look back and see your progress WHY ONLY 3 TASKS? Because simple works. β’ Small enough to stay stress-free β’ Big enough to make real progress β’ Easy to turn into a daily habit WHO ITβS FOR β’ People who feel overwhelmed by long to-do lists β’ Creatives, students, and remote workers β’ Anyone who wants more clarity and less stress MINIMAL EFFORT. REAL PROGRESS. Stop trying to do everything. Start finishing what matters. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Deep Session
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Deep Session is a focus timer built for people who want to sit down and do the work - without fuss, without distractions. No accounts. No ads. No subscriptions. Just a timer. How it works Pick a session - Deep Work, Quick Focus, or Long Session - and press start. A warm-up period eases you in, then the timer begins. When youβre done, youβll see how long you stayed focused. Thatβs it. No complicated setup, no overwhelming features. Track your progress See your focus hours for today, this week, and this month. Watch your streak grow as you build a daily deep work habit. Every session is saved locally on your device - your data stays yours. What makes Deep Session different Starts in seconds, not minutes No sign-up or onboarding walls No cloud sync, no servers, no tracking Designed to feel calm and quiet Works completely offline Dark mode that actually looks good Built for deep work Deep Session is inspired by the idea that the hardest part of focused work is simply starting. The app removes every barrier between you and your next session. Open it, tap, and begin. Your focus data never leaves your device. There are no analytics, no third-party SDKs, and no data collection of any kind.
Screenshots
Verdict
The clearest difference is in-app purchases: Deep Session at none against Three's 1. Deep Session also leads on iOS requirement (15.1 vs 18.2). On price, ads 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
Both are free to download. Three sells 1 one-off in-app purchase. Deep Session asks for nothing beyond the download.
| Parameter | Three | Deep Session |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 days | β |
| Ads | No | No |
| In-app purchases | Yes | No β better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 18.2 | 15.1 β better |
| Further details β not scored | ||
| Size | 2 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Daniel Schmidt | Ulugbek Samigjonov |
In-app purchases
Three
- Three Pro (Lifetime)$3.99
Deep Session
No in-app purchases









