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いつだったっけ icon

いつだったっけ

HyunWoo Lee

Category: Productivity
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Rankings updated

Price and ratings

Price
¥500
Rating
—
Ratings
0Australia

Versions

Released
20 Aug 2026
Last update
Version 4.1.0
Requires
iOS 15.0 or later

Details

Size
30.4 MB
Languages
15
Website
—

Stop managing to-dos. Just remember when you last did it. "When did I last wash the sheets?" "When did I change the water filter?" "When did I last call my parents?" Some things you can never remember. When'd I records just the date you did them. No goals, no nagging notifications, no checklists. Tap once and it's logged as today. ■ See how long it's been Every item shows the days since you last did it. The longer it's been, the more it stands out. ■ A timeline where distance means time The

Countries1In 1 chart right now
Best rank now#44Japan Paid · Productivity
Ratings, 7 days—Needs a week of rating history
Longest chart run2 daysJapan Paid · Productivity

Competitors

Full chart

Top of Paid · Productivity in Japan. いつだったっけ is #44 there. Changes are over 7 days.

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Store listing

How the app presents itself on the App Store. Select a screenshot to open it full size.

いつだったっけ screenshot 1 of 7いつだったっけ screenshot 2 of 7いつだったっけ screenshot 3 of 7いつだったっけ screenshot 4 of 7いつだったっけ screenshot 5 of 7いつだったっけ screenshot 6 of 7いつだったっけ screenshot 7 of 7

What's new

Version 4.1.0 · 6 Oct 2026 · 8 days ago

"Did you forget?" now comes only once, on the day an item passes its threshold. Each item can have its own (Settings > "Per-item thresholds", or below item details). Open the app once after updating. Report: "Overdue now" lists items behind their usual cycle first; ones only past the threshold go below in "Not done in a while". Idle items: "Paused". On iPhone and iPad, notifications received while using the app no longer cover the screen and stay in Notification Center.

Current rankings

Every chart this app is in right now, best position first.

いつだったっけ chart positions
ChartRank24 h7 daysBestDays on chart
Japan· Paid · Productivity#44New entryChange unknown#342

Rank history

Higher on the chart is better: #1 is at the top.

Sign in to see 30 days, 90 days and all history.

Japan · Paid · Productivity: best #34, latest #44, over 15 snapshots since 8 Oct. No snapshots from 8 Oct to 9 Oct, on 9 Oct, on 10 Oct, on 11 Oct, on 12 Oct, on 13 Oct, and on 14 Oct; the line joins the snapshots on either side.

Japan · Paid · Productivity: best #34, latest #44, over 15 snapshots since 8 Oct. No snapshots from 8 Oct to 9 Oct, on 9 Oct, on 10 Oct, on 11 Oct, on 12 Oct, on 13 Oct, and on 14 Oct; the line joins the snapshots on either side.

Ranking events

Entries, big moves, #1s and new versions we've recorded.

  1. Entered the Paid · Productivity chart at #34Japan
  2. Entered the Paid · Productivity chart at #82United States