Comparison

Day Circle vs Water Tracker

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

Head to head
About

Day Circle

Visualize your day as a circle, integrating plans, tasks, and diary entries. Track your mood, set goals, and analyze your time usage to make every 24 hours more meaningful.

Highlights
  • Visual 24-hour circle chart planner
  • Timers, alarms, and todos
  • Mood tracking diary
  • Habit building with copy/repeat
  • Time analytics
  • Life Clock visualization
Features
Read full description

Visualize your 24 hours in a pie chart. Schedules, to-dos, and diary entries — all in one circle. For everyone who wants to change how they use their time. 【What You Can Do】 ・Manage your daily schedule intuitively with a pie chart ・Add timers, alarms, to-dos, and memos to each schedule ・Record your moods and events as a diary ・Support habit-building with day copy and repeat settings ・Reflect on your time usage in the Analysis tab 【Premium Features】 ・Daily/monthly statistics, category breakdowns, mood trends ・Set weekly/monthly/yearly/age-based goals ・Life Clock: visualize the time remaining from your birthday to your target lifespan ・Remove ads for a more comfortable experience ・Customize all widget features with your favorite colors ・Send time capsules to friends 【Free Features】 ・Daily pie chart management ・Schedules, to-dos, timers, alarms ・Diary and time capsules (letters to your future self) ・Clock, stopwatch ※All features can be used without restrictions. Every day becomes one circle. Make your 24 hours more precious. Privacy Policy: https://v8corporation.com/day-circle-privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Water Tracker

Features
Read full description

Stay hydrated, the smart way. Water Tracker helps you build a sustainable hydration habit. With body-optimized goal calculation, per-drink water conversion, and cycle-aware recommendations, it's designed to fit your real body — not a one-size-fits-all number. --- Key Features --- ■ One-tap logging Quick buttons for water, green tea, coffee, barley tea, miso soup, and more. Check today's intake at a glance from the home screen widget. ■ Body-optimized goals Your daily target is calculated from your weight and activity level — not a generic "drink 2 liters" push. ■ Per-drink water conversion Coffee and beer are auto-adjusted for their diuretic effect. Coefficients for tea, milk, sports drinks, and more are built in. ■ Cycle-aware recommendations Menstrual, follicular, ovulatory, and luteal phase — hydration needs are automatically adjusted. A feature for women that no other app offers. ■ Apple Health integration Every drink is automatically written to Apple Health, keeping all your wellness data in one place. ■ Home & Lock Screen widgets Progress ring plus recent records — see your status without opening the app. ■ Smart reminders A gentle nudge two hours after your last drink, only between 9 AM and 10 PM — no midnight interruptions. ■ Backfill up to 12 hours Forgot to log that morning coffee? Add records with the exact time. ■ Custom drinks Soy milk, protein shakes, herbal tea — register your own with custom conversion coefficients. ■ iCloud sync Your records sync automatically between iPhone and iPad. --- Perfect For --- ・Building a daily hydration habit for skin & wellness ・Anyone tired of the arbitrary "2 liters a day" rule ・Aligning hydration with your menstrual cycle ・Coffee & tea drinkers who want accurate water counts ・Users who want everything synced to Apple Health --- More --- ・Full dark mode support ・16 languages supported ・iCloud sync ・Privacy first: data stays on your device and iCloud --------------------------------- Sage Apps Series A collection of iOS utility apps designed for simplicity and ease of use. Unified design to make your day a little better. >> Search "Sage Apps" on the App Store for more ---------------------------------

Screenshots

Day Circle4 screens
Water Tracker4 screens

Verdict

The call

The clearest difference is update cadence: Water Tracker at every 10 days against Day Circle's every 3 months. Day Circle's advantage is iOS requirement (15.0 vs 17.0). 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. Day Circle sells 2 in-app purchases, starting at $3.99 per month and Water Tracker sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Day Circle ships an update every 3 months, Water Tracker every 10 days. The most recent releases landed on October 5, 2026 and October 15, 2026 respectively.

Scorecard2 real differences · 6 level
Day Circle versus Water Tracker: the parameters behind the verdict, then further details
ParameterDay CircleWater Tracker
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 3 monthsEvery 10 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size53 MB7 MB
Age rating4+4+
DeveloperV8 Corporation Co.,Ltd.Yusuke Takeuchi

In-app purchases

2 purchases

Day Circle

Subscriptions2
  • Day Circle Premium (Monthly)7 Days trial$3.991 Month
  • Day Circle Premium (Annual)7 Days trial$34.991 Year
1 purchases

Water Tracker

One-time1
  • Remove Ads$2.99

Questions

Is Day Circle free?
Day Circle is free to download, with in-app purchases available.
Is Water Tracker free?
Water Tracker is free to download, with in-app purchases available.
Do Day Circle or Water Tracker have ads?
Both Day Circle and Water Tracker show ads.
Which is updated more often, Day Circle or Water Tracker?
Day Circle ships an update every 3 months, and Water Tracker every 10 days. Most recently, Day Circle was updated on October 5, 2026 and Water Tracker on October 15, 2026.

Other comparisons