Kaizen vs Study Chicken
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kaizen
This app helps you stay focused by blocking distracting apps and websites. It also includes a habit tracker, task manager, and live focus rooms for collaborative study sessions. Customize timers and themes for a personalized productivity experience.
- Customizable Pomodoro timer
- App and website blocking
- Habit tracking with forgiving streaks
- Live focus rooms for co-studying
- Task management with priorities
- Themed backgrounds and focus music
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Kaizen is a focus timer that blocks your distracting apps, tracks your habits, and lets you study alongside others in live focus rooms. Start a session and the apps you picked stay blocked until your break. Free to use, with no ads. Premium features are marked below. POMODORO TIMER & STOPWATCH • Presets: Classic (25/5/15), Quick (15/3/10), Extended (50/10/30), Long Focus (90/15/30), or your own • Focus 5 to 180 minutes, short breaks 1 to 60, long breaks 5 to 120 • Stopwatch: count up with no fixed end and finish when you're ready • Auto-start runs sessions back to back while Kaizen is open, up to your long break • Keeps time in the background and notifies you when a session or break ends • Fullscreen mode that shows only the timer • Tag each session (Work, Study, and more) to see where your focus goes APP BLOCKER Kaizen uses Apple's Screen Time to block the apps and websites you choose, even with Kaizen closed: • During focus sessions, until your break • Block now: until you turn it off • Schedules: block a set of apps at the same times every week • An optional "Open anyway" button: you set how often, how long to wait, and for how long • Free: up to 3 apps or websites and 1 schedule • Premium: up to 50 apps and 8 schedules, Strict mode (stays blocked when you pause) and Locked mode (no ending a session or schedule early, with one emergency end a week) Your choices stay on your device. Kaizen can't see which apps you picked. HABIT TRACKER • Check-off habits, or timed habits your focus sessions count toward • Schedules: daily, specific weekdays, or a number of times per week • Forgiving streaks: a skipped day doesn't break them • A consistency score and trend chart for every habit • Backdate any past day and keep your full history • Reminders that follow each habit's schedule • Up to 5 active habits free, unlimited with Premium FOCUS ROOMS Stay on task next to other people, without a video call: • Join any room free, or host a private one and invite up to 3 friends with a link • See who's focusing, on a break, or paused, with live timers • No camera or microphone, just your avatar and quiet company • Premium: host public or bigger rooms (up to 50 people), and share the task you're working on Many people with ADHD use this kind of body doubling to get started and keep going. TASKS • Jot a task down in one line now, plan the details later • An unlimited inbox, so capturing a thought never hits a limit • Priorities, due dates, subtasks, time estimates, and reminders • Recurring tasks: daily, weekly, monthly, or every few days • Start focus on a task to use its tag and log time to it • Deadlines stay in view: amber on the day, red once overdue • Up to 7 planned tasks free, unlimited with Premium THEMES & FOCUS MUSIC • 70+ backgrounds across Lofi, Nature, City, Cozy, Space, and Minimal, including animated ones • Lo-fi, ambient, nature, white noise, and classical tracks, saved for offline listening • Mute music on your breaks • Premium: every theme, the full music library, and your own photo as the background STATISTICS & STREAKS • Daily, weekly, and monthly focus totals • Charts for focus over time, by hour, by weekday, by tag, and by session type • Session history showing which tasks and habits each session counted toward • Re-tag or delete any past session • A daily focus streak • Premium: yearly and all-time statistics MADE FOR • Students studying for their exams • Remote workers and freelancers who need time for deep work • People with ADHD who focus better with structure and company • Anyone who reaches for their phone when they should be focusing WORKS EVERYWHERE Use Kaizen on iPhone, iPad, your computer, or the web, all in sync. Start a focus session, block your distracting apps, and see how much more you get done. Terms of Use (EULA): https://my-kaizen.com/eula Privacy Policy: https://my-kaizen.com/privacy Terms & Conditions: https://my-kaizen.com/terms Questions? Reach us at support@my-kaizen.com
Study Chicken
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Study Chicken — the simple study stopwatch with a chicken! Be it revising exam topics or creating notes, this easy to use study stopwatch will help you keep track of your study time and set your own time goals, partnered with a chicken who’s here to motivate and cheer you on! FEATURES - Stopwatch to time how long you study - Chicken!! - Rotating motivational phrases - Goal-setter to reach a certain amount of time studied - Streak to keep you motivated HIGHLIGHTS - Clean and simple design - Minimal cluttering of features - Widgets to assist your study time Study Chicken, your simple study buddy. Download today! This app was built by Claire Lai, Lian Pei Ying Sophie, Sophie Tjhi and Lim Ying Hsin as part of the 2025 Swift Accelerator Programme.
Screenshots
Verdict
The clearest difference is in-app purchases: Study Chicken at none against Kaizen's 2. Kaizen's advantage is iOS requirement (16.4 vs 18.2). On price, update cadence, ads and device support 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. Kaizen sells 2 in-app purchases, starting at $3.99 per month. Study Chicken asks for nothing beyond the download.
Kaizen ships an update every 2 weeks, Study Chicken every 3 weeks. The most recent releases landed on November 12, 2026 and November 5, 2026 respectively.
| Parameter | Kaizen | Study Chicken |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 weeks — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.4 — better | 18.2 |
| Further details — not scored | ||
| Size | 70 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | MK Development | Tinkercademy Community Showcase |
In-app purchases
Kaizen
- Premium (monthly)14 Days trial$3.991 Month
- Premium (yearly)14 Days trial$39.991 Year
Study Chicken
No in-app purchases
Questions
Is Kaizen free?
Is Study Chicken free?
Do Kaizen or Study Chicken have ads?
Which is updated more often, Kaizen or Study Chicken?
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