Comparison

Birthday Notation vs diBirthday

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

Head to head
About

Birthday Notation

Features
Read full description

This app helps you with remembering birthdays. It is simple and easy to use. You can choose yourself how you want to write the birthday. PLEASE NOTE! When you downlaod this app you start with 3 free spaces. This app contains supplemental content. You need to purchase more space if you need it.

About

diBirthday

Features
Read full description

Birthdays don’t all follow the same calendar. diBirthday helps you track birthdays and special occasions across Gregorian, Chinese lunar, Hebrew, Islamic, Persian, Japanese, Buddhist, and other supported calendars—including leap months and February 29 birthdays. MULTI-CALENDAR BIRTHDAYS Choose the calendar that matches each person or event. Keep the original date while diBirthday calculates the next occurrence for you. REMINDERS & COUNTDOWNS Get notified on the day, one day, one week, or one month in advance. See every upcoming celebration and countdown at a glance. WIDGETS Keep birthdays visible with Home Screen and Lock Screen widgets in multiple layouts and sizes. IMPORT, EXPORT & SYNC Import from Contacts, Calendar, and Reminders. Export events to Calendar, back up your data, and optionally sync privately with iCloud. PERSONAL TOUCHES Add photos, emojis, notes, phone numbers, and email addresses. Quickly call, message, or email when the special day arrives. You can also add public holidays and popular occasions by country or region, choose color themes, and enjoy full Dark Mode support. Download diBirthday for free and keep every important date close.

Screenshots

Birthday Notation3 screens
diBirthday4 screens

Verdict

The call

The clearest difference is in-app purchases: diBirthday at none against Birthday Notation's 4. Birthday Notation's advantage is iOS requirement (8.0 vs 15.0). On price, update cadence, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Birthday Notation sells 4 one-off in-app purchases. diBirthday asks for nothing beyond the download.

UpkeepUpdate frequency

Birthday Notation ships an update monthly, diBirthday every 3 weeks. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 4 level
Birthday Notation versus diBirthday: the parameters behind the verdict, then further details
ParameterBirthday NotationdiBirthday
PriceFreeFree
Update frequencyMonthlyEvery 3 weeks — better
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better15.0
Further details — not scored
Size40 MB33 MB
Age rating4+4+
DeveloperSnorre WidnesDoinno Digital Ltd

In-app purchases

4 purchases

Birthday Notation

One-time4
  • 1 delete$0.99
  • 5 deletes$3.99
  • 10 deletes$6.99
Show 1 more
  • 20 deletes$9.99
None

diBirthday

No in-app purchases

Questions

Is Birthday Notation free?
Birthday Notation is free to download, with in-app purchases available.
Is diBirthday free?
diBirthday is free to download, with no in-app purchases.
Do Birthday Notation or diBirthday have ads?
Neither Birthday Notation nor diBirthday shows ads.
Which is updated more often, Birthday Notation or diBirthday?
Birthday Notation ships an update monthly, and diBirthday every 3 weeks. Most recently, Birthday Notation was updated on October 26, 2026 and diBirthday on October 25, 2026.

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