# WhenDidI: Simple Life Log — One-Tap Habit & Time Tracker

> One-Tap Habit & Time Tracker (iPhone/iPad app by Yeachan Hwang.)

- Source: https://appshunter.io/ios/app/whendidi-simple-life-log/id6795154459 (this page in markdown: same URL + `.md`)
- Developer: [Yeachan Hwang](https://appshunter.io/developer/6795154461)
- Category: Lifestyle, Productivity
- Price: Free with in-app purchases
- Age rating: 12+
- Requires: iOS 17.0 · 80 MB
- Languages: American English, Japanese, Korean
- Released: 2026-08-17
- Data updated: 2026-09-20
- User reviews in markdown: https://appshunter.io/ios/app/whendidi-simple-life-log/id6795154459/reviews.md

## What is WhenDidI?

When did I take my medication? When was my last coffee? How long has it been since I ate?

WhenDidI turns those small everyday questions into a clear personal timeline. Tap a sticker when something happens, and the time is saved instantly—no forms or complicated setup.

ONE TAP, DONE
• Record meals, coffee, medication, workouts, reading, work, and more
• Add a note when you want extra context
• Customize your sticker lineup around the moments that matter to you

SEE YOUR DAY AT A GLANCE
• Browse a simple chronological timeline
• Move between dates without losing your place
• Find past records with calendar search and category filters

UNDERSTAND YOUR PATTERNS
• Review daily, weekly, and monthly activity
• Compare counts and see your most recent action by category
• Use focused timers for fasting, smoking, alcohol, and medication records

QUICK ACCESS, YOUR WAY
• Keep your most-used stickers on the Home Screen widget
• On the free tier, a widget tap opens WhenDidI so you can record in the app
• With Lifetime Premium, one widget tap records instantly without opening the app
• Keep using the core app without creating an account
• Optionally sync across devices with Google or Sign in with Apple

LIFETIME PREMIUM — ONE PURCHASE
• Remove ads throughout the app
• Record instantly with one widget tap
• Unlock premium stickers and up to 20 in-app sticker shortcuts
• Apply Modern Simple and Cute themes in the app and on Home Screen widgets
• Pay once with no subscription or recurring charge
• Restore on devices using the same App Store account

No cloud or Firebase account is required to buy, use, or restore Lifetime Premium.

WhenDidI is designed to stay lightweight: open it, tap once, and get back to your day.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Lifetime Premium | $4.99 | one-time |



## Version history (last 3 releases)

### 1.1.9 — 2026-09-08

• Choose from Classic, Modern Simple, and Cute sticker themes in Settings.
• Preview all three themes. Lifetime Premium unlocks the new Modern Simple and Cute styles.
• Matching sticker artwork appears throughout the app and on Home Screen widgets.
• Premium is now a single lifetime purchase; 24-hour ad-based access has been removed.

### 1.1.8 — 2026-08-30

• Redesigned Home Screen widgets in polished 5 × 1 and 5 × 2 layouts that follow your in-app sticker order
• Added four widget background transparency styles, adjustable from Edit Widget
• Improved cloud-sync recovery and screen refresh after reconnecting
• Refined native ad spacing for a smoother timeline
• Hardened duplicate prevention and record validation

### 1.1.7 — 2026-08-17

No release notes.

## More apps by Yeachan Hwang

- [Jjinlomat: Local Food Maps](https://appshunter.io/ios/app/jjinlomat-local-food-maps/id6796543182)
- [SubwayMate: Seoul Metro](https://appshunter.io/ios/app/subwaymate-seoul-metro/id6800693983)

All apps by Yeachan Hwang: https://appshunter.io/developer/6795154461

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-20.*