# Countdown vs D

The clearest difference is in-app purchases: D at none against Countdown's 2. D also leads on update cadence (every 3 days vs every 4 weeks) and iOS requirement (15.0 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. Countdown sells 2 in-app purchases, starting at $0.99 per year. D asks for nothing beyond the download.

Countdown ships an update every 4 weeks, D every 3 days. The most recent releases landed on September 11, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Countdown | D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 4 weeks | **Every 3 days** |
| Size | 20 MB | 52 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [OFFSTUDIO](https://appshunter.io/developer/1704657022) | [CodeSand Co. Ltd.](https://appshunter.io/developer/1896764307) |

## What reviewers say

### Countdown

[App page](https://appshunter.io/ios/app/countdown-d-day-and-widget/id6761094711)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Yearly | $0.99 | per year |
| Premium Lifetime | $1.99 | one-time |


### D

[App page](https://appshunter.io/ios/app/d-day-keep-countdown-widget/id6772022931)

**In-app purchases:** none


## Frequently asked questions

### Is Countdown free?

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

### Is D free?

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

### Do Countdown or D have ads?

Both Countdown and D show ads.

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

Countdown ships an update every 4 weeks, and D every 3 days. Most recently, Countdown was updated on September 11, 2026 and D on September 21, 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.*