# Daymark vs Countdown

The clearest difference is in-app purchases: Daymark at none against Countdown's 1. Daymark also leads on iOS requirement (16.0 vs 26.0). Countdown's advantage is device support (4 vs 1). On price, update cadence and ads there is nothing between them.

Both are free to download. Countdown sells 1 one-off in-app purchase. Daymark asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 31, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Daymark | Countdown |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Size | 3 MB | 12 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [小锋 陈](https://appshunter.io/developer/6787437200) | [Miguel Rosa Zazo](https://appshunter.io/developer/1873719041) |

## What reviewers say

### Daymark

[App page](https://appshunter.io/ios/app/daymark-birthday-reminder/id6809186381)

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

**In-app purchases:** none


### Countdown

[App page](https://appshunter.io/ios/app/countdown-deadlines-and-dates/id6815212099)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Countdown Lifetime | $8.99 | one-time |


## Frequently asked questions

### Is Daymark free?

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

### Is Countdown free?

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

### Do Daymark or Countdown have ads?

Neither Daymark nor Countdown shows ads.

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

Daymark ships an update monthly, and Countdown monthly. Most recently, Daymark was updated on October 31, 2026 and Countdown on November 1, 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.*