UU Mark vs Planck Habits
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UU Mark
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UU Mark is an application specially designed for habit formation and goal tracking, allowing you to easily record and manage various check-in activities. Core functions - Check-in Calendar: An intuitive monthly view calendar that clearly shows the daily check-in situation. Click on the date to view detailed data - Data Statistics: Automatically calculate the daily and monthly check-in times and cumulative quantity, making your progress clear at a glance - Project Management: Create custom check-in projects, set project names and units to meet the needs of different scenarios Trend chart: It presents the changing trends of check-in data through charts to help you analyze and adjust your habit-forming plan - Check-in Records: All check-in records are displayed in groups by month for easy review of historical data Applicable scenarios - Fitness Check-in: Record the number and duration of daily exercise - Study Check-in: Track study time and progress - Reading Check-in: Record the number of pages read each day - Water intake check-in: Remind yourself to maintain water intake Any habits and goals that need to be adhered to UU Mark make persistence simple!
Planck Habits
This app helps you build positive habits by tracking your progress with a simple tap. Watch your streaks grow and visualize your consistency over time. It offers unlimited habits, streak freezes, and iCloud sync for a seamless experience.
- Unlimited habits
- Streak tracking and weekly recaps
- Streak Freezes for missed days
- iCloud sync between iPhone and Mac
- Customizable habit emojis and colors
- Archive habits without losing history
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A quietly beautiful habit tracker for iPhone and Mac. Tap a square when you do a thing. Watch your streaks grow. Free, forever. No subscriptions, no in-app purchases, no ads, no tracking. What's inside: • Unlimited habits • Streaks and a weekly recap • Streak Freezes for the days life gets in the way • iCloud sync between iPhone and Mac • Pick an emoji and a color for every habit • Archive habits without losing their history Privacy first. Your habits live on your device, and in your own iCloud if you turn that on. We don't collect, store, or transmit any of your data. No analytics, no advertising SDKs, no fingerprinting. Designed to fade into the background, not gamify your life.
Screenshots
Verdict
The clearest difference is iOS requirement: UU Mark at 12.0 against Planck Habits's 17.0. On price and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | UU Mark | Planck Habits |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | — | Weekly |
| Ads | — | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | — | iPhone — better |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 28 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | 帆 张 | Yeong Kwon |
In-app purchases
UU Mark
No in-app purchases
Planck Habits
No in-app purchases









