# 4Habits vs D

The clearest difference is in-app purchases: D at none against 4Habits's 1. 4Habits's advantage is iOS requirement (15.6 vs 17.4). On price, ads and device support there is nothing between them.

Both are free to download. 4Habits sells 1 in-app purchase, starting at $7.99 per month. D asks for nothing beyond the download.

## The numbers

| Metric | 4Habits | D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | — |
| Size | 143 MB | 13 MB |
| Requires iOS | **15.6** | 17.4 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Xmetrix s.r.l.](https://appshunter.io/developer/1753084631) | [Airbag Studio Srl](https://appshunter.io/developer/1600444423) |

## What reviewers say

### 4Habits

[App page](https://appshunter.io/ios/app/4habits/id6504626224)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 4Habits Premium (Monthly) | $7.99 | per month |


### D

[App page](https://appshunter.io/ios/app/d-fine/id6753762454)

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

**In-app purchases:** none


## Frequently asked questions

### Is 4Habits free?

4Habits is free to download, with in-app purchases available.

### Is D free?

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

### Do 4Habits or D have ads?

Neither 4Habits nor D shows ads.

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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.*