# Pi Day Countdown vs Note by Chat & Send Files

The clearest difference is update cadence: Note by Chat & Send Files at every 11 months against Pi Day Countdown's every 26 months. Note by Chat & Send Files also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Pi Day Countdown ships an update every 26 months, Note by Chat & Send Files every 11 months. The most recent releases landed on September 8, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Pi Day Countdown | Note by Chat & Send Files |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/pi-day-countdown/id424560921/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 11 months** |
| Monetization | Free | — |
| Size | 2 MB | 26 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [iT Guy Technologies](https://appshunter.io/developer/398472366) | [Shotdoor](https://appshunter.io/developer/530049796) |

## 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


### Note by Chat & Send Files

[App page](https://appshunter.io/ios/app/note-by-chat-and-send-files/id6740557621)

**Features:** macOS Compatibility

**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 Note by Chat & Send Files free?

Note by Chat & Send Files is free to download, with no in-app purchases.

### Do Pi Day Countdown or Note by Chat & Send Files have ads?

Neither Pi Day Countdown nor Note by Chat & Send Files shows ads.

### Which is updated more often, Pi Day Countdown or Note by Chat & Send Files?

Pi Day Countdown ships an update every 26 months, and Note by Chat & Send Files every 11 months. Most recently, Pi Day Countdown was updated on September 8, 2026 and Note by Chat & Send Files on September 19, 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.*