# Countdown vs CountDoun

The clearest difference is in-app purchases: CountDoun at none against Countdown's 1. CountDoun also leads on iOS requirement (15.1 vs 18.0). Countdown's advantage is update cadence (every 11 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Countdown sells 1 one-off in-app purchase. CountDoun asks for nothing beyond the download.

Countdown ships an update every 11 days, CountDoun every 2 months. The most recent releases landed on September 15, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Countdown | CountDoun |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/countdown-glassdays/id6785538729/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 14 MB | 40 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [David Holtschke](https://appshunter.io/developer/6785538731) | [Faize Nur OZGON](https://appshunter.io/developer/6791207023) |

## What reviewers say

### Countdown

[App page](https://appshunter.io/ios/app/countdown-glassdays/id6785538729)

Track important dates with a personal countdown app. Add photos, organize events into folders, and get optional reminders. Sync across devices with a one-time purchase.

**Highlights:** Add photos and emojis, Organize events into folders, Create repeating countdowns, Import events from Apple Calendar, Add widgets to your Home Screen, Optional reminders

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Glassdays Pro | $4.99 | one-time |


### CountDoun

[App page](https://appshunter.io/ios/app/countdoun/id6791291771)

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

**In-app purchases:** none


## Frequently asked questions

### Is Countdown free?

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

### Is CountDoun free?

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

### Do Countdown or CountDoun have ads?

Neither Countdown nor CountDoun shows ads.

### Which is updated more often, Countdown or CountDoun?

Countdown ships an update every 11 days, and CountDoun every 2 months. Most recently, Countdown was updated on September 15, 2026 and CountDoun on September 22, 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.*