# 20s Timer vs Countdowner App

The clearest difference is in-app purchases: Countdowner App at none against 20s Timer's 1. Countdowner App also leads on ads (none vs shown) and update cadence (every 6 weeks vs every 37 months). 20s Timer's advantage is iOS requirement (13.0 vs 17.0). On price and device support there is nothing between them.

Both are free to download. 20s Timer sells 1 one-off in-app purchase. Countdowner App asks for nothing beyond the download.

20s Timer ships an update every 37 months, Countdowner App every 6 weeks. The most recent releases landed on September 24, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | 20s Timer | Countdowner App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 37 months | **Every 6 weeks** |
| Size | 6 MB | 10 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MARK MANSER](https://appshunter.io/developer/1378563905) | [ZDENEK PODANY](https://appshunter.io/developer/1786330327) |

## What reviewers say

### 20s Timer

[App page](https://appshunter.io/ios/app/20s-timer/id1521305784)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### Countdowner App

[App page](https://appshunter.io/ios/app/countdowner-app/id6751808807)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 20s Timer free?

20s Timer is free to download, with in-app purchases available.

### Is Countdowner App free?

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

### Do 20s Timer or Countdowner App have ads?

20s Timer shows ads; Countdowner App does not.

### Which is updated more often, 20s Timer or Countdowner App?

20s Timer ships an update every 37 months, and Countdowner App every 6 weeks. Most recently, 20s Timer was updated on September 24, 2026 and Countdowner App on September 15, 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.*