Comparison

AstroFocus vs Kaizen

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

AstroFocus

Read full description

Staying focused is hard. Distractions are everywhere, and our minds rarely get the rest they need. AstroFocus turns your focus sessions into an epic space journey. Every session is a flight through the cosmos, helping you stay in orbit with your goals and away from phone distractions. You'll launch focus sessions, take timed breaks, and get smart reminders for hydration, eye rest, standing up, and even your own custom alerts. With soothing sounds, gamified milestones, and insights into your performance, AstroFocus becomes your co-pilot keeping you productive, healthy, and motivated. Key Features: • Flight Modes (Infinity, Standard, and Custom) • Focus Mode (Limit access to other Apps) • Timer Mode (Hide the spacecraft for screens others can see) • Daily Streaks (Ten focused minutes a day keeps your run alive) • Focus Reports (Track your progress with our focus score) • Insights (See when you focus best across 7, 30, 60 or 90 days) • Weekly Report (A recap of your week, once a week) • Productivity Tools (Calendar, Notes, and To-Dos) • Exploration Cards (Discover our Solar System) • Space Progress Map (Unlock new destinations in a gamification way) • Custom Spacecrafts (Unlock more with Space Distance) • Community Feed (Connect, share, and get inspired by other explorers) • Custom Music (Curated tracks to keep you in the zone) • Works Offline (Fly with no signal; everything syncs when you reconnect) AstroFocus is free to start. You can fly, take breaks and build a streak without paying anything, and your most recent week of progress is kept. An AstroFocus Monthly subscription unlocks the full app: your complete flight history, Insights, every spacecraft, the full space map and the community feed. New users can start a 7-day free trial directly within the app using Apple's secure In-App Purchase system.

About

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.

Highlights
  • 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
Features
Read full description

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 • Pick a task before a session and your focus time counts toward it • Today, Tomorrow, and Overdue badges keep deadlines in view • 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. Your tasks, habits, and stats sync across all of them. 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

Screenshots

AstroFocus4 screens
Kaizen4 screens

Verdict

The call

The clearest difference is update cadence: Kaizen at every 2 weeks against AstroFocus's monthly. Kaizen also leads on iOS requirement (16.4 vs 18.0). On price, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. AstroFocus sells 1 in-app purchase, starting at $3.99 per month and Kaizen sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

AstroFocus ships an update monthly, Kaizen every 2 weeks. Both last shipped on October 28, 2026.

Scorecard2 real differences · 7 level
AstroFocus versus Kaizen: the parameters behind the verdict, then further details
ParameterAstroFocusKaizen
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyMonthlyEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
Monetization—Freemium
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.016.4 — better
Further details — not scored
Size282 MB69 MB
Age rating4+4+
DeveloperKonstantinos PanteliMK Development

In-app purchases

1 purchases

AstroFocus

Subscriptions1
  • AstroFocus Monthly$3.991 Month
2 purchases

Kaizen

Subscriptions2
  • Premium (monthly)14 Days trial$3.991 Month
  • Premium (yearly)14 Days trial$39.991 Year

Questions

Is AstroFocus free?
AstroFocus is free to download, with in-app purchases available.
Is Kaizen free?
Kaizen is free to download, with in-app purchases available.
Do AstroFocus or Kaizen have ads?
Neither AstroFocus nor Kaizen shows ads.
Which is updated more often, AstroFocus or Kaizen?
AstroFocus ships an update monthly, and Kaizen every 2 weeks. Most recently, AstroFocus was updated on October 28, 2026 and Kaizen on October 28, 2026.

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