# Super Simple D vs Instant D

The clearest difference is in-app purchases: Instant D at none against Super Simple D's 1. Super Simple D's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Super Simple D sells 1 one-off in-app purchase. Instant D asks for nothing beyond the download.

Super Simple D ships an update weekly, Instant D every 5 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | Super Simple D | Instant D |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 26 MB | 6 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Techin Park](https://appshunter.io/developer/906432484) | [joonseo park](https://appshunter.io/developer/1265149051) |

## What reviewers say

### Super Simple D

[App page](https://appshunter.io/ios/app/super-simple-d-day/id6748572271)

Easily track important upcoming and past dates with customizable countdowns. Supports repeating events and home screen widgets for quick access. Back up your data with file export.

**Highlights:** Create countdown events quickly, Support for repeating events, List or sentence view options, Customizable font size and sorting, Home Screen widgets, Data backup and restore

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| D-Day Premium | $1.99 | one-time |


### Instant D

[App page](https://appshunter.io/ios/app/instant-d-day-widget-and-count/id6773590357)

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

**In-app purchases:** none


## Frequently asked questions

### Is Super Simple D free?

Super Simple D is free to download, with in-app purchases available.

### Is Instant D free?

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

### Do Super Simple D or Instant D have ads?

Instant D shows ads; Super Simple D does not.

### Which is updated more often, Super Simple D or Instant D?

Super Simple D ships an update weekly, and Instant D every 5 days. Most recently, Super Simple D was updated on November 5, 2026 and Instant D on November 5, 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.*