# Pi Day Countdown vs Important Dates

The clearest difference is rating: Important Dates at 2.0 against Pi Day Countdown's 1.0. Pi Day Countdown's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Important Dates holds the better App Store score, 2.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Pi Day Countdown ships an update every 26 months, Important Dates every 18 months. The most recent releases landed on October 10, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Pi Day Countdown | Important Dates |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/pi-day-countdown/id424560921/reviews) | **[2.0 (1 ratings)](https://appshunter.io/ios/app/important-dates-countdown/id890055629/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 26 months | **Every 18 months** |
| Monetization | **Free** | Ad-supported |
| Size | 2 MB | 12 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [iT Guy Technologies](https://appshunter.io/developer/398472366) | [Alain Lima](https://appshunter.io/developer/789421888) |

## What reviewers say

### Pi Day Countdown

[App page](https://appshunter.io/ios/app/pi-day-countdown/id424560921)

This utility app helps users celebrate Pi Day and other significant dates. Set default alarms for Pi Day or customize messages for any event. Enjoy tracking important dates with a simple interface.

**Highlights:** Pi Day countdown, Customizable event alarms, Personalized messages, Date tracking utility

**Features:** macOS Compatibility

**In-app purchases:** none


### Important Dates

[App page](https://appshunter.io/ios/app/important-dates-countdown/id890055629)

Track upcoming events with a real-time countdown. Personalize the look with custom backgrounds and colors. Receive automatic notifications to stay informed.

**Highlights:** Unlimited event tracking, Customizable backgrounds, Customizable colors, Real-time countdowns, Automatic notifications

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

**In-app purchases:** none


## Frequently asked questions

### Is Pi Day Countdown free?

Pi Day Countdown is free to download, with no in-app purchases.

### Is Important Dates free?

Important Dates is free to download, with no in-app purchases.

### Which has better reviews, Pi Day Countdown or Important Dates?

Important Dates is rated higher. Pi Day Countdown averages 1.0 out of 5 from 1 ratings, while Important Dates averages 2.0 from 1 ratings.

### Do Pi Day Countdown or Important Dates have ads?

Important Dates shows ads; Pi Day Countdown does not.

### Which is updated more often, Pi Day Countdown or Important Dates?

Pi Day Countdown ships an update every 26 months, and Important Dates every 18 months. Most recently, Pi Day Countdown was updated on October 10, 2026 and Important Dates on October 9, 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.*