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When'd I Downloads & RevenueWhen'd I · App Store & Google Play

When'd I by HyunWoo Lee is on App Store and Google Play. Active Users (MAU & DAU), Downloads, rankings, keywords, revenue, and rating totals.

When'd I update history & changes

Last change · 76 events since 15 Aug 2026Full timeline ↓
Full timeline · 76 events
  1. 💰
    When'd I: price riseiOS
    2.99 USD → 3.99 USD · US
  2. 💰
    When'd I: price riseAndroid
    3.09 USD → 3.99 USD · US
  3. 💰
    When'd I: price riseiOS
    90.00 TWD → 120.00 TWD · TW
  4. 💰
    When'd I: price riseiOS
    4400.00 KRW → 7700.00 KRW · KR
  5. 💰
    When'd I: price riseiOS
    500.00 JPY → 840.00 JPY · JP
  6. 💰
    When'd I: price riseiOS
    2.99 GBP → 3.99 GBP · GB
  7. 📈
    When'd I dropped out of every chart we trackAndroid
    Last seen 1 Nov
  8. 📦
    When'd I updated to version 5.1.0iOS
    "Report" is now split into "Monthly · Yearly · All". Monthly and yearly Recap cards let you look back on a month or a year and share them as images. Tap a date in the monthly calendar to jump to that day in "Catalog".
    Us… more
  9. 💰
    When'd I: price riseiOS
    4.99 AUD → 5.99 AUD · AU
  10. ✏️
    When'd I: new iPad screenshotsiOS
    · US
  11. ✏️
    When'd I: new screenshotsiOS
    7 screenshots (was 7) · US
  12. ✏️
    When'd I: new iPad screenshotsiOS
    · AU, CA
  13. ✏️
    When'd I: new screenshotsiOS
    7 screenshots (was 7) · AU, CA
  14. 📈
    When'd I entered the top 10 on iPad · Top Paid All AppsiOS
    TW
  15. ✏️
    When'd I: new iPad screenshotsiOS
    · JP
  16. ✏️
    When'd I: new screenshotsiOS
    7 screenshots (was 7) · JP
  17. ✏️
    When'd I: new iPad screenshotsiOS
    · TW, KR
  18. ✏️
    When'd I: new screenshotsiOS
    7 screenshots (was 7) · TW
  19. ✏️
    When'd I: new screenshotsiOS
    7 screenshots (was 7) · KR
  20. 📦
    When'd I updated to version 5.0.0iOS
    '설정 › 동기화'의 '동기화할 곳'에서 구글 드라이브를 고르면 iPhone과 iPad 사이에 기록이 동기화돼요. 무료이고, 기록은 내 구글 드라이브의 앱 전용 공간에만 저장돼요. 사진은 기기 사이에 옮겨지지 않아요. iCloud를 쓸 때는 백업이 아직 올라가지 않았거나 저장 공간이 가득 차면 알려 드려요.
    기록 오른쪽 ⋯의 '날짜 변경'으로 기록을 다른 날로 옮길 수 있어요. 시각은 '시간… more
  21. 📦
    When'd I updated to version 4.3.0iOS
    項目の詳細画面の⋯にある「項目を完了にする」で、終わった項目を完了にできます。完了した項目は名前の後ろにチェックマークが付き、周期・遅れ・通知の対象から外れますが、過去の記録はそのまま残ります。「辞典」の「カテゴリ」と「カレンダー」で、「完了」としてまとめて見られます。
    カレンダー上部の年・月のタイトルをタップすると、見たい年と月にすぐ移動できます。
    iCloudで複数の端末を使うとき、完了の状態も他の端末に反映されます。すべての端末を… more
  22. ✏️
    When'd I: new screenshotsiOS
    7 screenshots (was 7) · CA
  23. ✏️
    When'd I: new iPad screenshotsiOS
    · JP
  24. ✏️
    When'd I: new screenshotsiOS
    7 screenshots (was 7) · JP
  25. ✏️
    When'd I: new screenshotsiOS
    7 screenshots (was 7) · US
  26. 📈
    When'd I entered the top 100Android
    Top Paid · Productivity · TR
  27. 📈
    When'd I charting in a new countryAndroid
    Turkey
  28. 📈
    When'd I entered the top 100Android
    Top Paid · Productivity · NL
  29. 📈
    When'd I charting in a new countryAndroid
    Netherlands
  30. 📈
    When'd I entered the top 10iOS
    Top Paid · Productivity · MY
  31. ✏️
    When'd I: new iPad screenshotsiOS
    · TW, KR
  32. ✏️
    When'd I: new screenshotsiOS
    7 screenshots (was 7) · TW
  33. ✏️
    When'd I: renamediOS
    上次是什麼時候 → 上次是什麼時候 - 家事·保養紀錄 · TW
  34. ✏️
    When'd I: new screenshotsiOS
    7 screenshots (was 7) · KR
  35. ✏️
    When'd I: new iPad screenshotsiOS
    · AU
  36. ✏️
    When'd I: new screenshotsiOS
    7 screenshots (was 7) · AU
  37. 📦
    When'd I updated to version 4.2.0iOS
    Use "Export" to turn your records into images to share. Choose "Year", "Calendar" or "Day"; in "Day", put text on the photo with "Overlay" or use "Polaroid", and pick the text design and colors (from ⋮ in an item's detai… more
  38. 📈
    When'd I entered the top 100 in 3 chartsAndroid
    Top Paid · Productivity · MX · Top Paid · Productivity · TH · Top Paid · Productivity · VN
  39. 📈
    When'd I charting in a new country in 3 chartsAndroid
    Mexico · Thailand · Vietnam
  40. 📦
    When'd I updated to version 4.1.0iOS
    通知を減らしました。「忘れていませんか?」は基準日数を超えた日に一度だけ届きます。基準日数は項目ごとに設定できます(設定 > 「項目ごとの通知基準日数」、または項目詳細の下)。更新後にアプリを一度開くと、新しい通知スケジュールが適用されます。
    レポートの「いま遅れているもの」は普段の周期より遅れたものを先に表示し、基準日数だけを超えたものは下の「しばらくしていないこと」にまとめます。周期は最近の記録から計算し、しばらく休んでいる項目は「… more
  41. ✏️
    When'd I: description updatedAndroid
    · US
  42. ✏️
    When'd I: new screenshotsAndroid
    12 screenshots (was 12) · US
  43. 📦
    When'd I updated to version 4.0.0iOS
    Record without opening the app from a widget or another app's "Share" (on iPhone, the Lock Screen too). "Save to iCloud automatically" on iPhone and iPad brings in other devices' records.
    New in Settings: "Manage categor… more
  44. ✏️
    When'd I: new screenshotsAndroid
    12 screenshots (was 10) · US
  45. 📈
    When'd I entered the top 100 in 3 chartsAndroid
    Top Paid · Productivity · AE · Top Paid · Productivity · ID · Top Paid · Productivity · IN
  46. 📈
    When'd I charting in a new country in 3 chartsAndroid
    United Arab Emirates · Indonesia · India
  47. 🆕
    When'd I first spotted by AppInsiderAndroid
    Saudi Arabia
  48. 📈
    When'd I hit #1 in 2 chartsiOS
    Top Paid · Productivity · JP · Top Paid · All Apps · TW
  49. 📈
    When'd I entered the top 10 in 4 chartsiOS
    Top Paid · Productivity · AU · Top Paid · Productivity · CA · Top Paid · Productivity · ID · Top Paid · Productivity · TH
  50. ✏️
    When'd I: new screenshotsiOS
    7 screenshots (was 5) · TW
  51. ✏️
    When'd I: new screenshotsiOS
    7 screenshots (was 5) · KR
  52. ✏️
    When'd I: new screenshotsiOS
    7 screenshots (was 5) · IN
  53. 📦
    When'd I updated to version 3.1.0iOS
    The × (Clear) in the Home search field now clears it in one tap. Recording an item you found, or coming back from its details, returns Home to the full list.
    In the Catalog's Calendar, "N records" now counts that day's r… more
  54. 📦
    When'd I: now updating weeklyiOS
    4 updates in 30 days, after a quiet two months
  55. 📦
    When'd I updated to version 3.0.0iOS
    Records now keep the time you logged them, and you can log the same thing several times a day.
    On Home, today's items show "under 30m", "under 1h" or "2h"; an item's details show the time and let you "Change time", and p… more
  56. 📦
    When'd I updated to version 2.5.0iOS
    You can now choose the app language in Settings under "Display & behavior".
    Fixed Simplified Chinese appearing instead of Traditional Chinese on devices set to Taiwan or Hong Kong.
  57. 🆕
    When'd I first spotted by AppInsideriOS
    #94 in Top Paid · All Apps · South Korea
  58. 📈
    When'd I new best rank in the overall chart: #94iOS
    Top Paid · All Apps · KR
  59. 📈
    When'd I new best rank in the overall chart: #8iOS
    Top Paid · All Apps · TW
  60. 📦
    When'd I version 2.4.0iOS
    No release notes
  61. 🆕
    When'd I released on the App StoreiOS
  62. 🆕
    When'd I released on Google PlayAndroid

Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.

Downloads / month
1k+
all stores, worldwide · 10+ a day
Rating
1.0 ★
1 ratings, both stores
Measured
Best rank now
#11
App Store · Productivity Paid
Measured
New ratings a week
1.8
App Store, 4-week average
Measured
Exact figures, their ranges and how sure we are, free with an account.Sign up freeSign in

When'd I at a glance

AI summary written from our chart and store data, 2026-11-05. It can be wrong: check the numbers above.

A privacy-focused productivity tool for iOS users who prefer tracking the last date of recurring tasks over managing traditional to-do lists. The app has achieved the #1 position in the Paid Productivity category in Taiwan, indicating strong regional traction despite a low global rating count.

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