Birthdays vs GridCal
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Birthdays
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Forgot another birthday? With this birthdays app, it won't happen again. The app is your simple birthday reminder with flexible notifications โ small, fast, and without unnecessary clutter. Save all birthdays in one place and get notified automatically, whenever you want. You decide whether you'd like a reminder days ahead (to buy a gift in time) or just on the birthday itself. Features at a glance - Save birthdays โ Enter a name and birthday, done. All birthdays stay neatly organized in one list. - Flexible reminders per birthday โ Set as many reminders as you want for each birthday. For example: one week ahead (to buy a gift), one day before, and on the birthday itself. You freely choose the time and the number of days before the birthday. A single reminder can also be reused for multiple people. - Contact sync โ Import birthdays directly from your Android contacts. If you later change a birthday in the contact, it updates automatically in the app. You can also export people created in the app to your contacts and activate the sync. Contact sync can be turned off at any time, for individual birthdays or entirely. - CSV import โ Have a list of birthdays in an Excel or CSV file? The flexible import handles different date formats and name orders. Who is this birthdays app for? For anyone looking for a simple, reliable birthday reminder โ without ad overload, without complicated setup. Whether you just want to keep track of your family's birthdays or manage a large circle of friends: this app helps you never forget a birthday again. Questions, feedback, or feature requests? Feel free to reach out โ I develop this app as a solo developer in my spare time.
GridCal
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Most calendar apps open on a day or a week. GridCal opens on the month โ the whole month, first. On Apple Watch, the full month grid fills the screen. Turn the Digital Crown to move month by month, swipe up or down to change months, swipe sideways to jump a year, and tap any date to see that day's events. A circular complication shows today's date inside a ring that fills as the month goes by. On iPhone, pick the view that fits how you plan: โข 1+ โ one big month, wall-calendar style, with holiday names right in the cells โข 1 โ one month plus a detail panel for the day you tap โข 2 โ two months side by side โข 3 โ three months at a glance Swipe to move one month at a time, in every view. Your calendar events appear right on the grid โ a dot under days that have something on, and a full list when you tap a date. Holidays for 16 countries are built in โ no downloads, no subscriptions. Choose the countries you care about in Settings, and their holidays show in red with their names: United States, South Korea, Japan, China, Taiwan, Hong Kong, United Kingdom, Canada, Australia, Germany, France, Spain, Italy, Mexico, Brazil, and India. Holiday data covers 2025โ2032. GridCal follows your device's language and your region's first day of the week, automatically. No account. No ads. No tracking. Your events never leave your device.
Screenshots
Verdict
The clearest difference is price: Birthdays at Free against GridCal's $1.99. Birthdays also leads on iOS requirement (16.4 vs 26.0). GridCal's advantage is in-app purchases (none vs 2) and update cadence (every 3 days vs every 2 weeks). On ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Birthdays is free to download; GridCal costs $1.99 up front. Birthdays sells 2 one-off in-app purchases. GridCal asks for nothing beyond the download.
Birthdays ships an update every 2 weeks, GridCal every 3 days. The most recent releases landed on November 8, 2026 and November 6, 2026 respectively.
| Parameter | Birthdays | GridCal |
|---|---|---|
| Price | Free โ better | $1.99 |
| Update frequency | Every 2 weeks | Every 3 days โ better |
| Ads | No | No |
| In-app purchases | Yes | No โ better |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Requires iOS | 16.4 โ better | 26.0 |
| Further details โ not scored | ||
| Size | 57 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Simon Lehmann | SOOYEON CHO |
In-app purchases
Birthdays
- Basic version$0.99
- Full version$2.99
GridCal
No in-app purchases
Questions
Is Birthdays free?
Is GridCal free?
Do Birthdays or GridCal have ads?
Which is updated more often, Birthdays or GridCal?
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