# D vs CRATONI

The clearest difference is ads: CRATONI at none against D's shown. CRATONI also leads on update cadence (every 5 weeks vs every 3 months) and iOS requirement (9.0 vs 15.0). On price, 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.

D ships an update every 3 months, CRATONI every 5 weeks. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | D | CRATONI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/d-day-counter/id906689489/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Ad-supported | — |
| Size | 6 MB | 30 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [EONSOFT](https://appshunter.io/developer/899851112) | [CRATONI Helmets GmbH](https://appshunter.io/developer/1398248143) |

## What reviewers say

### D

[App page](https://appshunter.io/ios/app/d-day-counter/id906689489)

Easily track important dates and countdown to significant events. This app helps you remember anniversaries, birthdays, and other milestones by calculating the remaining days. Never forget a special occasion again with this simple countdown tool.

**Highlights:** Countdown to special dates, Anniversary tracking, Birthday reminders, Event countdowns, Simple interface

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases:** none


### CRATONI

[App page](https://appshunter.io/ios/app/cratoni/id1398248144)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is D free?

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

### Is CRATONI free?

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

### Do D or CRATONI have ads?

D shows ads; CRATONI does not.

### Which is updated more often, D or CRATONI?

D ships an update every 3 months, and CRATONI every 5 weeks. Most recently, D was updated on November 1, 2026 and CRATONI on November 2, 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.*