ONE Habit Tracker vs just3things
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ONE Habit Tracker
This app helps you build lasting habits by focusing on mastering one at a time. It uses psychology-backed commitment periods, intelligent insights, and streak risk prediction to prevent failure and celebrate your wins.
- Master one habit at a time
- Commitment-based system (30, 60, 90 days)
- Streak risk prediction
- Mood tracking for trigger identification
- Visual streak counters and milestone celebrations
- Weekly analytics and progress reports
- Distraction-free interface with dark mode
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Build Life-Changing Habits That Actually Stick Stop failing at multiple habits and start succeeding with one. ONE Habit Tracker helps you build lasting habits through focused commitment and proven psychology - because mastering one habit at a time is the secret to lasting change. ACHIEVE REAL RESULTS WITH FOCUSED COMMITMENT Never lose momentum again. Our commitment-based system ensures you stay dedicated to your habit for 30, 60, or 90 days - the proven timeframe for lasting behavior change. When you graduate one habit, you'll have the confidence to tackle the next. STAY ON TRACK WITH INTELLIGENT INSIGHTS Know exactly where you stand. Your personal roadmap shows upcoming habits, weekly overviews reveal patterns, and advanced analytics help you understand what drives your success. Smart notifications keep you motivated without overwhelming you. PREVENT FAILURE BEFORE IT HAPPENS Break the cycle of broken streaks. Our streak risk prediction alerts you when you're most likely to skip a day, while mood tracking helps you identify emotional triggers that derail progress. Stay ahead of setbacks with data-driven insights. CELEBRATE EVERY WIN ALONG THE WAY Feel proud of your progress. Visual streak counters, milestone celebrations, and habit graduation ceremonies turn daily actions into meaningful achievements. Watch your confidence grow as you master each new habit. UNDERSTAND YOUR PATTERNS FOR LASTING SUCCESS Discover what makes you tick. Weekly analytics show your best completion times, mood correlations reveal optimal conditions, and detailed progress reports help you replicate success in future habits. SIMPLE, BEAUTIFUL, AND DISTRACTION-FREE Focus on what matters most. Our clean interface removes all distractions, letting you concentrate on your daily commitment. Dark mode, smooth animations, and accessibility features create an experience you'll love using every day. FREE FEATURES INCLUDE: • One active habit with daily tracking • Basic streak counting and progress visualization • Simple mood integration • Weekly calendar overview • Commitment period tracking • iCloud sync across all devices PREMIUM SUBSCRIPTION UNLOCKS: • Unlimited habit roadmap planning • Advanced analytics and insights dashboard • Streak risk prediction and early warnings • Detailed mood correlation analysis • Smart notification scheduling • Custom themes and personalization • Export and backup capabilities • Priority support Perfect for anyone serious about building better habits - whether you're starting your first habit or systematically improving every area of your life. Transform your life one habit at a time. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
just3things
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JustThreeThings is a refreshingly simple TODO app — with one twist: You can only add three things at a time. Why? Because life is overwhelming. ADHD or not, looking at a massive TODO list can feel paralyzing. JustThreeThings invites you to focus — not on everything — but on just three. Knock those out, then reset the board. Each task you enter is celebrated with encouraging messages and a growing green-light progress bar. Start a task and you’ll choose how much time you want to spend — a circular countdown timer helps you stay on track, complete with a full-screen 3…2…1 countdown to get you in the zone. Want a speed boost? Swipe left-to-right and you’re in Speed Run Mode — a 5-minute timer launches, perfect for quick wins. As you check off tasks, they light up green with a satisfying checkbox and floating “score points” that drift upward like Mario coin bonuses. You earn points for finishing tasks and for keeping a daily streak. Oh — and it works in light and dark mode. And if you’re curious, all your completed TODOs are saved in a history view, so you can look back and feel proud.
Screenshots
Verdict
The clearest difference is in-app purchases: just3things at none against ONE Habit Tracker's 3. just3things also leads on device support (3 vs 1) and iOS requirement (12.0 vs 18.0). On price and ads 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. ONE Habit Tracker sells 3 in-app purchases, starting at $3.99 per month. just3things asks for nothing beyond the download.
| Parameter | ONE Habit Tracker | just3things |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 59 MB |
| Age rating | 4+ | 4+ |
| Developer | Jeff Cedilla | Chad Adams |
In-app purchases
ONE Habit Tracker
- Monthly$3.991 Month
- Yearly$6.991 Year
- Lifetime$9.99
just3things
No in-app purchases









