# Countdown GO vs Onseol

The clearest difference is ads: Countdown GO at none against Onseol's shown. Countdown GO also leads on device support (5 vs 2). Onseol's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. Countdown GO sells 1 one-off in-app purchase and Onseol sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Countdown GO ships an update fortnightly, Onseol every 11 days. The most recent releases landed on September 15, 2026 and August 4, 2026 respectively.

## The numbers

| Metric | Countdown GO | Onseol |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (16 ratings)](https://appshunter.io/ios/app/countdown-go/id1339796097/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 11 days** |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 26 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | **iPhone, iPad, Mac, Apple TV, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jeroen Zonneveld](https://appshunter.io/developer/986977335) | [Mustafa Salim Erek](https://appshunter.io/developer/1896175573) |

## What reviewers say

### Countdown GO

[App page](https://appshunter.io/ios/app/countdown-go/id1339796097)

Track upcoming events and activities with personalized visuals. Share your countdowns across Apple devices via iCloud. Use your iPad as a dynamic photo frame for your events.

**Highlights:** Add multiple activities, Personalize with pictures, iPad photo frame mode, iCloud device sharing

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $0.99 | one-time |


### Onseol

[App page](https://appshunter.io/ios/app/onseol-countdown-widget/id6782953468)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Onseol Pro | $9.99 | one-time |


## Frequently asked questions

### Is Countdown GO free?

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

### Is Onseol free?

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

### Do Countdown GO or Onseol have ads?

Onseol shows ads; Countdown GO does not.

### Which is updated more often, Countdown GO or Onseol?

Countdown GO ships an update fortnightly, and Onseol every 11 days. Most recently, Countdown GO was updated on September 15, 2026 and Onseol on August 4, 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.*