Dayfly vs Piece Day
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Dayfly
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Dayfly is for notes you only need for a little while. Notes quietly disappear after 24 hours by default. Parking spots, Wi-Fi passwords, locker numbers, today-only reminders ā jot it down and forget about it. Dayfly cleans up after itself. Attach photos and videos too. That whiteboard, a receipt, a photo you only took to ask an AI about ā capture it and share it straight from Dayfly. Dayfly-managed attachments are removed when an expired note is cleaned up. Photo-library originals and shared copies remain. Want to keep something? One star makes a note permanent. ⢠No account, no sign-up ā open and write ⢠Stored on your device, with no account or cloud sync ⢠No ads, no tracking ⢠Minimal design, dark by default Dayfly Pro (lifetime Ā· one-time purchase): ⢠Multiple photos + video attachments (free: one photo per note) ⢠Per-note expiry ā from 1 hour to 7 days, or forever ⢠Lock Screen widget with your latest note and time left ⢠Action Button & Siri quick capture (Control Center capture is free) ⢠Notes fade out as they near expiry ⢠Extra themes Not a subscription. Buy once, yours for life. Expired notes are hidden; stored data is cleaned up when the app is active. Device backups may include notes and attachments. Shared copies and originals in your photo library are not deleted when a Dayfly note expires.
Piece Day
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Piece Day ā a habit tracker that keeps your day in gentle little pieces We took the paper habit trackers from stationery-shop diaries and put them on your iPhone, unchanged. No sign-up, no elaborate setup. One tap marks today. ā Four trackers, one app Ā· Monthly ā fill the calendar with green checks and see a whole month at a glance Ā· Weekly ā plan this week's goals day by day, Monday through Sunday Ā· Time Table ā colour in your day on a 24-hour dial Ā· Bucket List ā tick off the things you want to do someday, one circle at a time ā Made for you if Ā· You want to get past day three and build something that lasts Ā· You love the feel of paper diaries and planners Ā· You've been looking for a tracker with nothing extra in it ā Private by design Ā· No login, no server ā everything stays on your iPhone Ā· No ads, no tracking A pink dinosaur and a little black cat are here to keep you company. Take today one piece at a time.
Screenshots
Verdict
The clearest difference is in-app purchases: Piece Day at none against Dayfly's 1. On price, update cadence, ads and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Dayfly sells 1 one-off in-app purchase. Piece Day asks for nothing beyond the download.
Dayfly ships an update fortnightly, Piece Day every 11 days. The most recent releases landed on October 25, 2026 and October 8, 2026 respectively.
| Parameter | Dayfly | Piece Day |
|---|---|---|
| Price | Free | Free |
| Positive reviews | ā | 100.0% of reviews |
| Update frequency | Fortnightly | Every 11 days ā better |
| Ads | No | No |
| In-app purchases | Yes | No ā better |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details ā not scored | ||
| Size | 1 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Yohan Gwak | Warm Tech Company |
In-app purchases
Dayfly
- Mayfly Pro$3.99
Piece Day
No in-app purchases









