# Birthday Calendar & Countdown vs Big Day

The clearest difference is in-app purchases: Birthday Calendar & Countdown at none against Big Day's 1. Big Day's advantage is update cadence (every 2 weeks vs every 3 months) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Big Day sells 1 one-off in-app purchase. Birthday Calendar & Countdown asks for nothing beyond the download.

Birthday Calendar & Countdown ships an update every 3 months, Big Day every 2 weeks. Both last shipped on October 12, 2026.

## The numbers

| Metric | Birthday Calendar & Countdown | Big Day |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/birthday-calendar-and-countdown/id6753290752/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 2 MB | 5 MB |
| Requires iOS | 18.5 | **17.0** |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Noah Seeger](https://appshunter.io/developer/1830979732) | [Damien Asseya](https://appshunter.io/developer/878472983) |

## What reviewers say

### Birthday Calendar & Countdown

[App page](https://appshunter.io/ios/app/birthday-calendar-and-countdown/id6753290752)

Never forget a birthday again with this app. It helps you add contacts, customize their profiles with emojis, and provides timely reminders. Beautiful widgets and calendar import make managing special dates easy.

**Highlights:** Birthday reminders, Customizable profiles with emojis, Home and lock screen widgets, Calendar import, Age tracking

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Big Day

[App page](https://appshunter.io/ios/app/big-day-countdown-timer/id6799796713)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Countdown Pro | $5.99 | one-time |


## Frequently asked questions

### Is Birthday Calendar & Countdown free?

Birthday Calendar & Countdown is free to download, with no in-app purchases.

### Is Big Day free?

Big Day is free to download, with in-app purchases available.

### Do Birthday Calendar & Countdown or Big Day have ads?

Neither Birthday Calendar & Countdown nor Big Day shows ads.

### Which is updated more often, Birthday Calendar & Countdown or Big Day?

Birthday Calendar & Countdown ships an update every 3 months, and Big Day every 2 weeks. Most recently, Birthday Calendar & Countdown was updated on October 12, 2026 and Big Day on October 12, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*