# Countlys vs CountDoun

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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Countlys ships an update daily, CountDoun every 2 months. The most recent releases landed on October 16, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Countlys | CountDoun |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 2 months |
| Size | 6 MB | 40 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kerem Gonlkrmaz](https://appshunter.io/developer/1882973074) | [Faize Nur OZGON](https://appshunter.io/developer/6791207023) |

## What reviewers say

### Countlys

[App page](https://appshunter.io/ios/app/countlys-event-countdown/id6761101280)

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

**In-app purchases:** none


### CountDoun

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Countlys free?

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

### Is CountDoun free?

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

### Do Countlys or CountDoun have ads?

Countlys shows ads; CountDoun does not.

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

Countlys ships an update daily, and CountDoun every 2 months. Most recently, Countlys was updated on October 16, 2026 and CountDoun on October 8, 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.*