# D vs Ibi's Countdown

The clearest difference is update cadence: Ibi's Countdown at weekly against D's every 3 months. D's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

D ships an update every 3 months, Ibi's Countdown weekly. The most recent releases landed on October 10, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | D | Ibi's Countdown |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/d-day-countdown/id1518400866/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free | — |
| Size | 7 MB | 2 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Si-Wan Yoon](https://appshunter.io/developer/1493152910) | [Ebrahim Zulqarni](https://appshunter.io/developer/1882166274) |

## What reviewers say

### D

[App page](https://appshunter.io/ios/app/d-day-countdown/id1518400866)

Easily set and track important dates, such as D-Day. This utility app helps you monitor the remaining time until your specified events.

**Highlights:** Set D-Day, Check remaining time, Event tracking, Simple interface

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

**In-app purchases:** none


### Ibi's Countdown

[App page](https://appshunter.io/ios/app/ibis-countdown/id6759992203)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is D free?

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

### Is Ibi's Countdown free?

Ibi's Countdown is free to download, with no in-app purchases.

### Do D or Ibi's Countdown have ads?

Neither D nor Ibi's Countdown shows ads.

### Which is updated more often, D or Ibi's Countdown?

D ships an update every 3 months, and Ibi's Countdown weekly. Most recently, D was updated on October 10, 2026 and Ibi's Countdown on October 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.*