Daymark vs When
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Daymark
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Have you ever felt this way: you want to find a quiet place to count down to important days, but as soon as you open an app, it's full of ads, red dots, and flashy news? With Daymark, there's none of that. It's clean, warm, and simply records time for you. Four core features to accompany you through every moment worth remembering. 【Days】Birthdays, exams, anniversaries, trips... Count down or count up, see it at a glance. Supports lunar calendar, cover images, and categories—turn anticipation into a number you can see. 【Moments】Reminders precise to the second. Boarding, meetings, medicine, meetups... Important moments will never be missed. 【Timeline】String scattered moments into your own story. With text and photos, scroll down the timeline like opening a personal memory book. 【Daily Goals】Check in every day to build good habits. Watch your streak grow day by day—it feels great. New Toolbox to solve your date puzzles. Date calculator, lunar converter, countdown breaker, anniversary calculator, time zone converter, age calculator... Whenever you have a date-related question, open the Toolbox and calculate on the spot. Look up and see your anticipation—desktop widgets fully upgraded. Multiple widgets cover Days, Moments, and Goals. Small size taps straight to details; medium and large sizes show lists at a glance. The "All Overview" widget gives you everything on one screen. Your app should look the way you like. Dawn gradient, floating particles, minimal grid, dynamic circles, star trails, sundial projection... Switch freely between multiple background styles. Choose dark or light mode; some backgrounds look different in each. One tap to change colors and create your own little space. Thoughtfulness hidden in every detail. Card Studio lets you adjust layout and text color to create custom share cards; custom categories, personalized reminders, quiet hours, archive lock, sound customization... Every setting is designed to make recording more comfortable. All data syncs automatically via iCloud, so it won't be lost when you change devices. One-tap share to pass on your anticipation and joy to the people who matter. Daymark, quietly counting the days with you.
When
This app helps you remember important dates and track recurring tasks. It offers timeline views for upcoming events and 'last time' tracking for past activities. Organize items with categories, add notes, and use widgets for quick access.
- Timeline view for upcoming events
- Track recurring tasks
- Expiry and renewal date tracking
- Birthday and anniversary reminders
- Home and Lock Screen widgets
- Organize with categories and icons
- Add notes and attachments
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When did you last do it? When: Then & Next helps you remember the dates that are easy to forget — when you last changed the water filter, when your passport expires, when your next dentist visit is due, or when an important birthday is coming up. Everything is organized around two simple views: TIMELINE See what's coming next. Upcoming tasks, expirations and important occasions appear together in one clear timeline. LAST TIME See how long it's been since you last did something — whether that's getting a haircut, servicing the air conditioner, cleaning your camera sensor or changing a password. TRACK IT YOUR WAY Repeat Track things you do more than once. Simply remember when you last did something, or add a schedule if you want to know when it's due again. Expiry Keep track of passports, visas, insurance, warranties, deadlines and anything else with an expiration or renewal date. Occasion Remember birthdays, anniversaries and other important yearly dates, with age and anniversary tracking where applicable. WIDGETS Keep important dates and tasks visible without opening the app. - Home Screen widgets for upcoming events and things you've done before - Lock Screen widgets for the things you want to keep an eye on throughout the day FEATURES - See exactly how long ago something happened - See what's coming up in one timeline - Track recurring tasks with or without a schedule - Track expirations and renewal dates - Remember birthdays and anniversaries - Set reminders before important dates - Keep a history of recurring activities - Home Screen and Lock Screen widgets - Organize items with categories and icons - Add notes and attachments - Multiple accent themes - Light and dark mode No complicated calendars. No streaks. No gamification. Just the answer to a simple question: When? FREE OR PRO When Free - Track up to 5 items - Repeat, Expiry and Occasion items - Basic reminders - Timeline and Last Time views - Default When theme When Pro - Unlimited items - Full history - Multiple and custom reminders - Home Screen widgets - Lock Screen widgets - Notes and attachments - Custom categories - All color themes - Access to future Pro features Upgrade with a monthly or yearly subscription, or unlock When Pro with a one-time Lifetime purchase. Terms: https://when-mauve.vercel.app/terms
Screenshots
Verdict
The clearest difference is update cadence: When at every 5 days against Daymark's fortnightly. On price, ads, in-app purchases 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
Both are free to download. Daymark sells 1 one-off in-app purchase and When sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
Daymark ships an update fortnightly, When every 5 days. Both last shipped on October 25, 2026.
| Parameter | Daymark | When |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Fortnightly | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 15 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | 宁宇 封 | Andras Varga |
In-app purchases
Daymark
- Daymark +$0.90
When
- Pro Monthly$0.991 Month
- Pro Yearly$7.991 Year
- When Pro Lifetime$19.99









