# TickUp Countdown vs D

The clearest difference is in-app purchases: D at none against TickUp Countdown's 3. D also leads on ads (none vs shown) and update cadence (every 3 days vs every 9 months). On price and device support there is nothing between them.

Both are free to download. TickUp Countdown sells 3 in-app purchases, starting at $1.99 per month. D asks for nothing beyond the download.

TickUp Countdown ships an update every 9 months, D every 3 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | TickUp Countdown | D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 3 days** |
| Size | 45 MB | 33 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ariel Coyant](https://appshunter.io/developer/1757325626) | [HeungYeol Kim](https://appshunter.io/developer/1878087341) |

## What reviewers say

### TickUp Countdown

[App page](https://appshunter.io/ios/app/tickup-countdown/id6541765724)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premiun access | $1.99 | per month |
| Premiun access | $4.99 | per 3 months |
| Premiun access | $8.99 | per 6 months |


### D

[App page](https://appshunter.io/ios/app/d-day-anniversary-countdown/id6759724605)

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

**In-app purchases:** none


## Frequently asked questions

### Is TickUp Countdown free?

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

### Is D free?

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

### Do TickUp Countdown or D have ads?

TickUp Countdown shows ads; D does not.

### Which is updated more often, TickUp Countdown or D?

TickUp Countdown ships an update every 9 months, and D every 3 days. Most recently, TickUp Countdown was updated on November 8, 2026 and D on October 31, 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.*