One Day vs Countdown
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
One Day
Easily track important upcoming events with customizable countdowns. Share your excitement with friends and family via social media or email. An iMessage app is also included for quick updates.
- Countdown to events
- Repeat events weekly, monthly, yearly
- Share to social media and email
- iMessage app integration
- Today page widget
- Custom background images (paid)
- Track more events (paid)
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Sometimes there’s a special day you just can’t wait for- it could be a wedding or special anniversary, the end of exams or treatment, the next Marvel movie, or the holiday of a lifetime! • Repeat events weekly, monthly or yearly • Share to social media and email • Includes iMessage app • At-a-glance view for your Today page Upgrade from this free version, to: • Track more events • Use custom background images If you need any assistance, please select "Contact Us" from the Support and Config page (represented by a cog icon) in the app.
Countdown
Track important dates and count down to special events or count the days since a significant moment. Receive timely notifications and visualize your progress with beautiful counters. Enjoy a private, ad-free experience with iCloud syncing across devices.
- Ad-free experience
- Home screen widgets
- Light and dark mode support
- Count in days, weeks, months, hours, minutes
- iCloud device syncing
- Customizable event sorting
- Event notifications
- Shareable live counters
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Countdown will help you to count down the days until a special event or, count from the days since an important moment in your life. You'll receive notifications when it's time. Countdown to birthdays, holidays, an upcoming vacation, weddings, the New Year, parties, sporting events, concerts, and more. features: - No advertisements - Add your events as widgets to your iOS home screen - Support for light and dark mode - Count with days, weeks, months, hours, minutes - Sync with all your devices from iCloud - Sort events by name or date, ascending or descending - Sort by repeating and one-time events - Receive notifications when it's time - Beautiful fullscreen live counter - Share the image with live counter with friends and family - No third-party tracking or analytics services are used. No personal data is shared with anyone. - Default library with beautiful pictures to use for your events
Screenshots
Verdict
The clearest difference is update cadence: Countdown at monthly against One Day's every 12 months. One Day's advantage is ratings volume (91 vs 26) and iOS requirement (12.0 vs 16.0). On price, rating, ads and in-app purchases 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. One Day sells 1 one-off in-app purchase and Countdown sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.7 for One Day against 4.8 for Countdown. Both are backed by a comparable volume of ratings — 91 and 26 respectively.
One Day ships an update every 12 months, Countdown monthly. The most recent releases landed on September 25, 2026 and October 2, 2026 respectively.
| Parameter | One Day | Countdown |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (91 ratings) | 4.8 (26 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 91 — better | 26 |
| Update frequency | Every 12 months | Monthly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 32 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Peter Johnson | Discoveruapps v.o.f. |
Customer experience
One Day
Countdown
In-app purchases
One Day
- Multiple Events and Custom Images$1.99
Countdown
- Countdown+$1.99
Questions
Is One Day free?
Is Countdown free?
Which has better reviews, One Day or Countdown?
Do One Day or Countdown have ads?
Which is updated more often, One Day or Countdown?
Other comparisons
