Stacks vs Puperino
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Stacks
This app helps you build positive habits and break old ones by combining them into routines. Track your progress easily and sync your data across devices. It also integrates with Apple Health to monitor your well-being.
- Habit stacking for routine building
- Intuitive daily habit tracking
- Cross-device synchronization
- Apple Health integration
- Progress streak visualization
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Start a new habit, break an old one, and transform your daily life with Stacks. Leverage the power of habit stacking to integrate positive changes into your routine, making personal growth simpler and more achievable than ever before. ○ Habit Stacking: Combine multiple habits into routines. With Stacks, you can start with small steps and gradually build up to more complex habits. ○ Intuitive Tracking: Stay on top of your progress with easy-to-use tracking tools. Log your habits daily and watch your streaks grow as you build momentum towards your goals. ○ Sync Across Devices: Enjoy accessing your habits and routines on all your devices. With Stacks, your progress is always up-to-date. ○ Health Data: Syncs with Apple Health App, allowing you to track health metrics alongside your habits. Why Stacks? Stacks is more than just a habit tracker; it’s a comprehensive tool designed to simplify your life and help you achieve your goals. By stacking habits, you create powerful routines that seamlessly integrate into your daily life. ------------------------ - App Support: eido9oya@stacx.life
Puperino
This app uses a virtual puppy companion to help you stay focused during study or work sessions. Earn rewards, customize your puppy's environment, and track your progress with gentle reminders and a lock screen countdown.
- Virtual puppy companion for motivation
- Pomodoro timer with customizable sessions
- Task and subtask management
- Focus streak tracking and rewards
- Exam countdown feature
- Customizable puppy rooms and outfits
- Lock screen countdown widget
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Meet Biscuit, a sleepy little pup and your cute study buddy. He keeps you company while you study and work. Puperino is a calm Pomodoro study timer with a cozy companion. Press Start and Biscuit curls up in his bed beside you. Stay focused until the timer ends and he'll bring you a gift: a tennis ball, your missing sock, or even a rare golden frisbee. A FOCUS TIMER THAT FEELS LIKE A FRIEND Whether you're revising for exams, doing homework, writing an essay or working through your to-do list, Puperino turns focus time into something you look forward to. Simple 25-minute Pomodoro sessions with breaks, or count up as long as you like. Gentle and ADHD-friendly: no pressure, just a friendly pup who's happy you showed up. HE LEARNS TRICKS Keep your focus streak going and Biscuit learns to give paw, roll over, sit pretty and play dead. Press and hold him to ask for one. EXAM COUNTDOWN Set your exam date and Biscuit counts down the days with you, then wears his lucky tie on exam day. MAKE IT YOURS Trade gifts for bones and decorate Biscuit's room. Choose from seasonal rooms like Cherry Blossom, Summer Seaside, Pumpkin Harvest and Cozy Christmas. Pick a new bed, dress him up in hats, glasses, scarves and more, and save his room as your wallpaper. STAY ON TRACK • Stay Mode keeps you off your phone during a session • Tasks with subtasks, so you know what to focus on • Link a task to a session and see where your study time goes • A live countdown on your Lock Screen • Gentle reminders when a session or break ends PUPERINO PRO Go further with Pro: • Focus stats, streaks and weekly charts • Home Screen widget with Biscuit • Rain, fireplace and brown noise to help you concentrate • Better gifts and double bones • Pro-only rooms, beds and outfits Pro is available monthly, yearly (with a free trial for new subscribers) or as a one-time lifetime purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the period. Manage or cancel anytime in your Apple ID settings. Terms of Use: https://puperino.netlify.app/terms/ Privacy Policy: https://puperino.netlify.app/privacy/
Screenshots
Verdict
The clearest difference is review sentiment: Puperino at 100% against Stacks's 0%. Puperino also leads on rating (5.0 vs 4.0). Stacks's advantage is in-app purchases (none vs 4). On price, ratings volume, update cadence 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. Puperino sells 4 in-app purchases, starting at $2.99 per month. Stacks asks for nothing beyond the download.
Puperino holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews point the same way: 0% of Stacks's written reviews are positive against 100% of Puperino's.
Stacks ships an update weekly, Puperino every 6 days. The most recent releases landed on September 9, 2026 and October 29, 2026 respectively.
| Parameter | Stacks | Puperino |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (2 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 | 3 — better |
| Update frequency | Weekly | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 16 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | EUN SANG LEE | Stefan Martin Eriksson |
Customer experience
Stacks
Puperino
In-app purchases
Stacks
No in-app purchases
Puperino
- Puperino Pro (Monthly)$2.991 Month
- Puperino Pro Yearly1 Year trial$19.991 Year
- Puperino Pro (Yearly)7 Days trial$19.991 Year
- Puperino Pro (Lifetime)$29.99









