Kozen Yoga vs Checkstack
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Kozen Yoga
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The Kozen Yoga app makes it very easy for you to manage your Kozen Yoga account, book into our classes and events and keep in touch with us. You can easily message us if you have a question or want to share something with us. You can also follow our public feed to see any announcements we make, promos we run, or content we share.
Checkstack
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Check off your habits, build streaks, and see every perfect day add up. Checkstack is a calm, simple habit tracker that feels at home on your iPhone. Tap once to complete a habit, watch today's progress bar fill, and keep your streaks going ā without accounts, ads, or clutter. TODAY AT A GLANCE ⢠See "3 of 5 done" and a progress bar that fills in each habit's colour ⢠Habits grouped into Morning, Afternoon, Evening and Anytime ⢠Swipe to complete or archive, long-press to reorder ⢠Daily, weekday, weekend or custom schedules ⢠Count habits like "8 glasses of water" with a goal per day PROGRESS THAT MOTIVATES ⢠Perfect days ā every habit done ā with your current and best run ⢠Trends for the week, month, six months and year ⢠Clear comparisons with the previous period, in plain language ⢠Current and best streak, completion rate and full calendar history ⢠Collect awards at 7, 30, 50, 100 and 365-day streaks EVERYWHERE YOU ARE ⢠Interactive home screen widgets ā tick habits off without opening the app ⢠Lock screen widgets ⢠Reminders with a "Mark as Done" button right in the notification ⢠Siri and Shortcuts: "Log Read in Checkstack" ⢠Spotlight search ⢠iCloud sync across your iPhone and iPad MADE YOUR WAY ⢠Pick an icon and colour for every habit, with icons suggested from the name ⢠Light, dark or system appearance, and your choice of week start ⢠Haptics you can turn off PRIVATE BY DESIGN Your habits live on your devices and in your own iCloud account. No accounts, no ads, no analytics, no tracking.
Screenshots
Verdict
The clearest difference is iOS requirement: Kozen Yoga at 15.1 against Checkstack's 26.2. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 29, 2026 and October 25, 2026 respectively.
| Parameter | Kozen Yoga | Checkstack |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.1 ā better | 26.2 |
| Further details ā not scored | ||
| Size | 55 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Momence, Inc. | OcuNecu |
In-app purchases
Kozen Yoga
No in-app purchases
Checkstack
No in-app purchases
Questions
Is Kozen Yoga free?
Is Checkstack free?
Do Kozen Yoga or Checkstack have ads?
Which is updated more often, Kozen Yoga or Checkstack?
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