# Countdown Stack vs Countdown Days

The clearest difference is ads: Countdown Stack at none against Countdown Days's shown. Countdown Days's advantage is update cadence (fortnightly vs every 2 months) and iOS requirement (18.6 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Countdown Stack sells 2 in-app purchases, starting at $0.29 per month and Countdown Days sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Countdown Stack ships an update every 2 months, Countdown Days fortnightly. The most recent releases landed on September 8, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Countdown Stack | Countdown Days |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/countdown-stack/id6745722215/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 33 MB | 14 MB |
| Requires iOS | 26.0 | **18.6** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Dmitry Khotinskiy](https://appshunter.io/developer/1603030256) | [APP TEAM](https://appshunter.io/developer/1892958531) |

## What reviewers say

### Countdown Stack

[App page](https://appshunter.io/ios/app/countdown-stack/id6745722215)

Easily track important upcoming events and personal goals. This app provides a clean interface to visualize your milestones, from birthdays to deadlines, across all your Apple devices. Unlock unlimited tracking and advanced features with an in-app purchase.

**Highlights:** Event and goal tracking, Clean and modern interface, Cross-device synchronization, Beautifully displayed countdowns, Unlimited countdowns (in-app purchase)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly) | $0.29 | per month |
| Premium (Annual) | $2.49 | per year |


### Countdown Days

[App page](https://appshunter.io/ios/app/countdown-days-event-timer/id6773258156)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Monthly | $6.99 | per month |
| Yearly | $39.99 | per year |


## Frequently asked questions

### Is Countdown Stack free?

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

### Is Countdown Days free?

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

### Do Countdown Stack or Countdown Days have ads?

Countdown Days shows ads; Countdown Stack does not.

### Which is updated more often, Countdown Stack or Countdown Days?

Countdown Stack ships an update every 2 months, and Countdown Days fortnightly. Most recently, Countdown Stack was updated on September 8, 2026 and Countdown Days on September 24, 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.*