Countdown vs OhMy Dday
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Countdown
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How many days until the trip? Until the exam? Since you first met? Let Countdown keep track of the days. The day grid fills in one square at a time. COUNT DOWN OR COUNT UP Count down to a date (D-) or count up from one (D+). Give each event a title, an emoji, a color and its own start and end date. A SQUARE FOR EVERY DAY Every day of the period is a small cell that fills in as the days go by, with a progress bar alongside. How far you've come shows at a glance. ON YOUR HOME SCREEN AND LOCK SCREEN β’ Home Screen widgets in small, medium and large β’ D-Day number style or day grid style β’ Lock Screen widgets: circular, rectangular and inline SEE YOUR WIDGET AS YOU MAKE IT While you create or edit an event, a live widget preview follows every change to color, emoji and display options. DARK OR LIGHT Pick a dark or light theme. Countdown's icon switches along with it. ON ALL YOUR DEVICES Events sync through your own iCloud. If you like, Countdown can send you a reminder at 9:00 AM on the day itself. FREE AND PREMIUM Countdown is free for one event, with ads. Premium is available as a monthly or yearly subscription, or as a one-time lifetime purchase: β’ Unlimited events β’ No ads β’ A widget for every event Subscriptions renew automatically until you cancel them in your App Store account settings. YOUR DATA Your events stay on your device and in your own iCloud. Countdown uses anonymous analytics and crash reports (Firebase), and the free version shows ads from Google AdMob. Available in 15 languages. Terms of Use: https://offstudio-eight.vercel.app/terms.html Privacy Policy: https://offstudio-eight.vercel.app/privacy.html
OhMy Dday
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OhMy Dday is a local counter app for D-Days (days remaining) and anniversaries (days elapsed, "D+Day"). How to test the core features: 1. On Home, tap '+' β enter a title and date β save to create a D-Day card. 2. Toggle the calculation type: D-Day (countdown) vs D+Day (count-up). 3. Enable "Yearly" repeat to schedule a local notification at 9 AM each year (expo-notifications). 4. Tap a card β "Share as image" to generate a shareable card (react-native-view-shot + the system share sheet). 5. Add the iOS Home Screen widget to surface the featured D-Day. - All calculations and storage happen on-device; there is no external server communication. - Banner ads: Google AdMob (bottom banner). - Notification permission is requested only when the user turns on "Get notified".
Screenshots
Verdict
The clearest difference is in-app purchases: OhMy Dday at none against Countdown's 3. OhMy Dday also leads on iOS requirement (15.1 vs 18.6). On price, ads and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Countdown sells 3 in-app purchases, starting at $0.99 per month. OhMy Dday asks for nothing beyond the download.
| Parameter | Countdown | OhMy Dday |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | β |
| Ads | Yes | Yes |
| In-app purchases | Yes | No β better |
| Devices | iPhone, iPad | iPhone, iPad, iPod β better |
| Requires iOS | 18.6 | 15.1 β better |
| Further details β not scored | ||
| Size | 23 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | OFFSTUDIO | soon jeong Lee |
In-app purchases
Countdown
- Premium Monthly$0.991 Month
- Premium Yearly3 Days trial$1.991 Year
- Premium Lifetime$2.99
OhMy Dday
No in-app purchases









