# IMPACTVISION vs D

The clearest difference is ads: IMPACTVISION at none against D's shown. D's advantage is update cadence (every 3 days vs every 12 months). On price, in-app purchases, device support 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.

IMPACTVISION ships an update every 12 months, D every 3 days. The most recent releases landed on September 16, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | IMPACTVISION | D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Every 3 days** |
| Size | 14 MB | 30 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [JUN HWANG](https://appshunter.io/developer/1522298006) | [HeungYeol Kim](https://appshunter.io/developer/1878087341) |

## What reviewers say

### IMPACTVISION

[App page](https://appshunter.io/ios/app/impactvision/id1635462514)

**In-app purchases:** none


### D

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

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

**In-app purchases:** none


## Frequently asked questions

### Is IMPACTVISION free?

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

### Is D free?

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

### Do IMPACTVISION or D have ads?

D shows ads; IMPACTVISION does not.

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

IMPACTVISION ships an update every 12 months, and D every 3 days. Most recently, IMPACTVISION was updated on September 16, 2026 and D on September 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*