Onseol vs D
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Onseol
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Onseol counts the days that matter ā no account, no sign-up, no ads. Your D-Days live on your phone. Onseol has no server and keeps no copy. ⢠Korean-style D-Days ā D-100, D-7, D-DAY, and days-since counted from day 1. 100-day and yearly milestones, automatically. ⢠Lunar (ģė „) birthdays & memorials ā Onseol finds the solar date for you each year. ⢠Home & Lock Screen widgets (iOS 16 or later) ā automatic, or one D-Day of your choice per widget (iOS 17 or later). ⢠Reminders at D-7, D-1 and D-DAY, and on day-count milestones ā all scheduled on your phone. A small card in the app on milestone days. ⢠Share a D-Day as a card, with a link that opens it in a friend's Onseol, ready to add. ⢠Back up your D-Days and their photos to a file you keep, and restore them on a new phone. ONSEOL PRO ā one purchase, forever. Not a subscription. ⢠Unlimited D-Days and all 16 colors ⢠Your photo on any D-Day ā on its card, and in the Photo widget (iOS 17 or later) ⢠Three more widget designs: Ring, Photo and Minimal (iOS 17 or later) ⢠Count it your way ā in years, months and days, in weeks, or in hours ⢠Every milestone with its date, from day 100 to day 10,000 ⢠Ink and Photo share cards Free: five D-Days, the classic widget in every size, reminders, lunar dates, milestone cards, the Paper share card and backup. Onseol Pro supports Family Sharing.
D
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Your special days, one polaroid at a time. D-Day Widget turns the days you are counting down to (a trip, an exam, a big event) and the days you are counting up (your relationship, your baby, days together) into film-print style cards for your Home Screen and Lock Screen. What makes it different ⢠No ads ā you will never sit through an ad just to rename an event ⢠Fully local ā no account, no server, your data never leaves your phone ⢠Hands-on cards ā tap to add a photo, write the title, flip the card to tweak it ⢠Your widget shows exactly what you see Free, and generous ⢠Unlimited D-Days Ā· small widgets Ā· 6 plain film colors Ā· milestone notifications Premium (7-day free trial) ⢠Photo backgrounds Ā· dot/clear styles Ā· fonts Ā· Lock Screen & medium widgets Ā· backup No server means nothing to lose. Your backup file stays in your hands. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is iOS requirement: Onseol at 15.0 against D's 17.0. On price, ads, in-app purchases 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. Onseol sells 1 one-off in-app purchase and D sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | Onseol | D |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | ā |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPod ā better | iPhone |
| Requires iOS | 15.0 ā better | 17.0 |
| Further details ā not scored | ||
| Size | 28 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Mustafa Salim Erek | Yunseong Jung |
In-app purchases
Onseol
- Onseol Pro$9.99
D
- Premium Monthly$0.991 Month
- Premium Yearly$6.991 Year









