# Oddly vs Countdown

The clearest difference is in-app purchases: Oddly at none against Countdown's 2. Oddly also leads on iOS requirement (15.0 vs 18.6). On price, update cadence, 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. Oddly asks for nothing beyond the download.

Oddly ships an update every 6 weeks, Countdown every 4 weeks. The most recent releases landed on September 17, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Oddly | Countdown |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Every 4 weeks** |
| Size | 111 MB | 20 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yoojin Park](https://appshunter.io/developer/1572096838) | [OFFSTUDIO](https://appshunter.io/developer/1704657022) |

## What reviewers say

### Oddly

[App page](https://appshunter.io/ios/app/oddly/id6757348984)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Oddly free?

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

### Is Countdown free?

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

### Do Oddly or Countdown have ads?

Both Oddly and Countdown show ads.

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

Oddly ships an update every 6 weeks, and Countdown every 4 weeks. Most recently, Oddly was updated on September 17, 2026 and Countdown on September 11, 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.*