Comparison

Dayno vs CountdownZen

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Dayno

Easily track important upcoming dates with a clean, readable countdown. Perfect for events like trips, exams, or anniversaries, this app helps you stay organized and makes big days feel closer. Add unlimited events and prioritize what matters most with its minimal design.

Highlights
  • Quick event creation
  • Clear, at-a-glance countdowns
  • "Today" highlight
  • Track multiple events
  • Minimalist design
  • Event prioritization
Features
Read full description

Dayno is a simple, satisfying way to track the moments that matter. Dayno makes counting down to the moments that matter simple and satisfying. Create an event and get a clean, readable countdown that keeps big days feeling close. When the date arrives, Dayno lets you know it’s here—perfect for launches, exams, anniversaries, and long-awaited trips. Features: - Quick add: name it, pick a date—done. - Clear, at-a-glance countdowns. - “Today” highlight for the big day. - Track multiple events side by side (birthdays, trips, deadlines, more). - Calm, minimal design that’s easy to read. - Mark a countdown as important (star/priority) so the big ones stand out and stay at the top. Add unlimited countdowns—vacations, birthdays, weddings, anniversaries, graduations, new jobs, first day of school, exams, product launches, conferences, concerts, festivals, movie premieres, sports games, race day/marathons, road trips, weekend getaways, moving day, home closings, lease renewals, flights, baby due dates, adoption days, pet adoptions, reunions, date nights, and more.

About

CountdownZen

Features
Read full description

A wedding. A vacation. A deadline that changes everything. A birthday. Life is full of dates that matter - CountdownZen makes sure you never lose sight of them. Countdown Timer for Every Moment That Matters: Create countdowns for any event. Add a name, date, and time - and watch the days, hours, and minutes tick down in real time. Clean, calm, and distraction-free. Home Screen Widgets - Always Visible: Add a widget and your countdown is always there, no app required. Just glance at your phone and know exactly how much time is left. Import from Your Calendar: Turn existing calendar events into countdowns instantly. Trips, appointments, celebrations - CountdownZen makes them visible the moment they matter. Never Miss an Important Date: Set a notification and get reminded when the day arrives. No more letting important dates sneak up on you. Count Everything with Pro: The free version includes one countdown to get started. Upgrade to CountdownZen Pro and track every event, every milestone, every moment worth anticipating. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: http://countdownzen.com/privacy Support address: contact@indiezen.me

Screenshots

Dayno4 screens
CountdownZen4 screens

Verdict

The call

Dayno and CountdownZen are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Dayno sells 8 in-app purchases, starting at $5.99 per 7 days and CountdownZen sells 2 in-app purchases, starting at $0.29 per 7 days. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
Dayno versus CountdownZen: the parameters behind the verdict, then further details
ParameterDaynoCountdownZen
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyFortnightly—
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.115.1
Further details — not scored
Size72 MB48 MB
Age rating4+17+
DeveloperRectangula Inc.Mark Stelmachenko

In-app purchases

8 purchases

Dayno

Subscriptions8
  • Pro$5.997 Days
  • Pro$7.997 Days
  • Pro2 variants$9.991 Month
Show 5 more
  • Pro2 variants$11.991 Month
  • Pro$14.991 Month
  • Pro$19.991 Month
  • Pro3 Days trial$29.991 Year
  • Pro1 Month trial$79.991 Year
2 purchases

CountdownZen

Subscriptions2
  • CountdownZen Pro – Weekly3 Days trial$0.297 Days
  • CountdownZen Pro - Annual$1.991 Year

Questions

Is Dayno free?
Dayno is free to download, with in-app purchases available.
Is CountdownZen free?
CountdownZen is free to download, with in-app purchases available.
Do Dayno or CountdownZen have ads?
Neither Dayno nor CountdownZen shows ads.

Other comparisons