# Countdown Timer Reminder vs Knock Rooster

The clearest difference is update cadence: Knock Rooster at every 8 days against Countdown Timer Reminder's every 18 months. Countdown Timer Reminder's advantage is iOS requirement (16.0 vs 18.2). On price, ads, 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.

Countdown Timer Reminder ships an update every 18 months, Knock Rooster every 8 days. The most recent releases landed on September 28, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Countdown Timer Reminder | Knock Rooster |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 8 days** |
| Size | 22 MB | 18 MB |
| Requires iOS | **16.0** | 18.2 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Farouk Nasser](https://appshunter.io/developer/1478256466) | [Ahmed Gedi](https://appshunter.io/developer/1486935996) |

## What reviewers say

### Countdown Timer Reminder

[App page](https://appshunter.io/ios/app/countdown-timer-reminder/id6743029117)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Knock Rooster

[App page](https://appshunter.io/ios/app/knock-rooster/id6748571877)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Countdown Timer Reminder free?

Countdown Timer Reminder is free to download, with no in-app purchases.

### Is Knock Rooster free?

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

### Do Countdown Timer Reminder or Knock Rooster have ads?

Neither Countdown Timer Reminder nor Knock Rooster shows ads.

### Which is updated more often, Countdown Timer Reminder or Knock Rooster?

Countdown Timer Reminder ships an update every 18 months, and Knock Rooster every 8 days. Most recently, Countdown Timer Reminder was updated on September 28, 2026 and Knock Rooster on October 6, 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.*