Comparison

DayDay vs Quarter Diary

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

Head to head
About

DayDay

This app helps you organize your day with a visual timetable and customizable widgets. It allows you to group similar tasks, decorate your schedule with themes, and save plans for future use. Stay motivated and make your days more meaningful.

Highlights
  • Circular timetable view
  • Customizable widgets
  • Schedule grouping
  • Theme and point customization
  • Save and reload schedules
  • Alarm notifications
Features
Read full description

DayDay has upgraded to ver 3. Let's make a more meaningful day with a new DayDay. 2019, 2020 recommended apps at Appstore Ranked among the tops in productivity paid apps category every month! A first step to start a fulfilling day. If your hands are full but you don't like to lift a finger. Join DayDay club and ward off unmotivation and sense of guilt. ------- What kind of application DayDay is? Writing down your thoughts and plans Then, it will be easy to follow your plans. Enter the schedules and check it from time to time at the widget. The widget and alarm will tells you what time is it to do and what was my plan. ------- Key point 1. You can check you daily schedule at a glance! Key point 2. You can group the same schedules! Key point 3. Thousands of ponts and themes, You can decorate your schedules with your vibe! Key point 4. Save the schedule and reload it when it needed. If you keep losing tracks of what you ambitiously planned. Repeating after repeating meaningless days. Let's say good bye to meaningless times. Let's make your plan visible with DayDay! The plans of my own. A new me that follwing the plans! DayDay roots for you with a wish your tomorrow will be better than today :) Privacy policy: https://haruharu.piesoft.co.kr/legal/privacy-policy Terms of service: https://haruharu.piesoft.co.kr/legal/eula Email: support@piesoft.co.kr

About

Quarter Diary

This app helps you set and track goals across four quarterly periods. It features weekly progress checks, daily task management, and reflective reviews. You can also share your progress and streaks with friends and receive reminders.

Highlights
  • Quarterly goal setting with emoji icons
  • Weekly progress tracking and automatic calculation
  • Daily task management
  • Quarterly review and reflection
  • Friend progress comparison and encouragement
  • Goal achievement reminders
Features
Read full description

1년을 4개의 분기(Q1~Q4)로 나눠 목표를 기록하고 관리하는 다이어리 앱입니다. ■ 분기별 목표 관리 분기마다 이모지 아이콘과 함께 목표를 만들고 관리하세요. ■ 주간 체크 (12주) 한 분기 동안 매주 목표 달성 여부를 체크하면 진행률이 자동으로 계산돼요. ■ 오늘의 포커스 홈 화면에서 오늘 할 일을 바로 추가하고 체크하세요. ■ 분기 리뷰 한 줄 요약, 잘한 점, 아쉬운 점, 다음 분기 목표를 기록하며 스스로를 돌아보세요. ■ 친구와 함께 초대 코드로 친구를 추가해 목표 진행률과 연속 기록(스트릭)을 비교하고, 응원과 댓글을 남겨보세요. ■ 리마인더 이번 주 목표를 아직 체크하지 않았다면 알림으로 알려드려요.

Screenshots

DayDay4 screens
Quarter Diary3 screens

Verdict

The call

The clearest difference is in-app purchases: Quarter Diary at none against DayDay's 3. Quarter Diary also leads on review sentiment (100% vs 74%) and update cadence (weekly vs every 3 weeks). On price, ads 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. DayDay sells 3 in-app purchases, starting at $1.99 per month. Quarter Diary asks for nothing beyond the download.

UpkeepUpdate frequency

DayDay ships an update every 3 weeks, Quarter Diary weekly. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

Scorecard5 real differences · 5 level
DayDay versus Quarter Diary: the parameters behind the verdict, then further details
ParameterDayDayQuarter Diary
PriceFreeFree
Rating4.3 (45 ratings) — better—
Positive reviews74.2% of reviews100.0% of reviews — better
Number of ratings45 — better—
Update frequencyEvery 3 weeksWeekly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPod
Requires iOS16.013.0 — better
Further details — not scored
Size25 MB48 MB
Age rating4+4+
DeveloperJiHoon LeeBoyoung Kim

Customer experience

DayDay

All ratings45 ratings
Positive80.0%
Neutral8.9%
Negative11.1%
Written reviews62 reviews
Positive74.2%
Neutral8.1%
Negative17.7%

Quarter Diary

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

DayDay

Subscriptions2
  • Monthly Subscription7 Days trial$1.991 Month
  • Yearly Subscription7 Days trial$9.991 Year
One-time1
  • One-Time Purchase$19.99
None

Quarter Diary

No in-app purchases

Questions

Is DayDay free?
DayDay is free to download, with in-app purchases available.
Is Quarter Diary free?
Quarter Diary is free to download, with no in-app purchases.
Do DayDay or Quarter Diary have ads?
Neither DayDay nor Quarter Diary shows ads.
Which is updated more often, DayDay or Quarter Diary?
DayDay ships an update every 3 weeks, and Quarter Diary weekly. Most recently, DayDay was updated on October 29, 2026 and Quarter Diary on October 28, 2026.

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