Comparison

DayClock vs stac

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

Head to head
About

DayClock

Visualize your daily schedule on a 24-hour clock face. Easily add, edit, and color-code activities to understand how your time is allocated. Review past days and share your plans as images with a retro notebook aesthetic.

Highlights
  • 24-hour circular schedule view
  • Add, edit, and color-code blocks
  • Per-block notes
  • Date navigation
  • Share schedule as image
  • Retro notebook aesthetic
Features
Read full description

DayClock turns your 24 hours into a simple circular planner. See where your time goes, shape your day at a glance, and make room for what matters. Great for when you want to • Plan today in seconds • Prepare tomorrow and next week in advance • See the balance between work, meals, exercise, and rest • Keep recurring routines simple Key features • 24-hour circular schedule: See the flow of your day in one view • Date-based planning: Create plans for past, today, or future dates • Time blocks: Set start and end times in 30-minute steps • Quick presets: Add common blocks such as sleep, work, dinner, and free time • Custom presets: Save your own time, color, and memo combinations • Routine management: Save schedules as routines and apply them to any date • Weekly routines: Connect a default routine to each day of the week • Block memos: Keep notes and to-dos with each time block • Home Screen widget: Check your current and upcoming schedule • Image sharing: Share the chart, schedule list, and memos in the layout you choose • Daily reminder: Get a 9:00 AM planning reminder when notifications are allowed Open DayClock and draw a clearer day.

About

stac

Features
Read full description

Intro See your focus turn into visible progress. stac is a visual focus timer that helps you stay focused and watch your world grow over time. Simple Focus, No Friction Start instantly. No setup, no friction. - Clean and minimal design - Track study and work sessions - Distraction-free experience A flexible focus timer for study, work, and daily habits. (Pomodoro-style supported) Turn Time into Progress Every 10 minutes becomes progress. 10 minutes of focus = 1 Brick - Earn bricks and build your world - See your effort come to life Build Your World Your focus creates change. - Progress from early stages to advanced environments - Experience visible growth as you stay consistent - Feel your progress, not just track it Stay Consistent Build habits that last. - Track your streaks - Unlock achievements - Grow through leagues and levels Focus Together You are not alone. - Join global progress - Contribute alongside others - Stay motivated through shared effort Privacy First - No detailed study content shared - Minimal public data - Safe and pressure-free environment Built for Real Life Use it as a study timer, productivity timer, or habit tracker. Ideal for students, professionals, and anyone who prefers a simple, distraction-free focus experience. Get Started Focus better. Build your world. Stack your time with stac. Privacy Policy: https://aitomglobal.biz/api/users/legal/privacy/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

DayClock2 screens
stac4 screens

Verdict

The call

The clearest difference is in-app purchases: DayClock at none against stac's 5. DayClock also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 2 months). stac's advantage is device support (3 vs 1). On price and iOS requirement 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. stac sells 5 in-app purchases, starting at $2.99 per month. DayClock asks for nothing beyond the download.

UpkeepUpdate frequency

DayClock ships an update every 2 weeks, stac every 2 months. The most recent releases landed on October 14, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 6 level
DayClock versus stac: the parameters behind the verdict, then further details
ParameterDayClockstac
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 weeks — betterEvery 2 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.015.0 — better
Further details — not scored
Size4 MB42 MB
Age rating4+4+
DeveloperHaEun KimAi To Mobile

In-app purchases

None

DayClock

No in-app purchases

5 purchases

stac

Subscriptions1
  • STAC Plus Membership$2.991 Month
One-time4
  • Streak Freeze$0.99
  • boost potion lite$0.99
  • boost potion pro$1.19
Show 1 more
  • Demotion Shield$1.99

Questions

Is DayClock free?
DayClock is free to download, with no in-app purchases.
Is stac free?
stac is free to download, with in-app purchases available.
Do DayClock or stac have ads?
stac shows ads; DayClock does not.
Which is updated more often, DayClock or stac?
DayClock ships an update every 2 weeks, and stac every 2 months. Most recently, DayClock was updated on October 14, 2026 and stac on October 25, 2026.

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