# DiffuserStick vs MoodMark

The clearest difference is ads: MoodMark at none against DiffuserStick's shown. MoodMark also leads on update cadence (every 6 days vs every 12 months). DiffuserStick's advantage is iOS requirement (12.1 vs 15.1). On price, in-app purchases and device support there is nothing between them.

Both are free to download. DiffuserStick sells 1 one-off in-app purchase and MoodMark sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

DiffuserStick ships an update every 12 months, MoodMark every 6 days. The most recent releases landed on September 30, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | DiffuserStick | MoodMark |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Every 6 days** |
| Size | 17 MB | 46 MB |
| Requires iOS | **12.1** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bum Tae Yoon](https://appshunter.io/developer/1578285460) | [Katerina Vasileva](https://appshunter.io/developer/1887487558) |

## What reviewers say

### DiffuserStick

[App page](https://appshunter.io/ios/app/diffuserstick/id1578285458)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove all ads 1 | $0.99 | one-time |


### MoodMark

[App page](https://appshunter.io/ios/app/moodmark-mood-and-habit-tracker/id6761046182)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MoodMark Weekly | $6.99 | per 7 days |
| MoodMark Monthly | $6.99 | per month |
| MoodMark Yearly | $29.99 | per year |


## Frequently asked questions

### Is DiffuserStick free?

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

### Is MoodMark free?

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

### Do DiffuserStick or MoodMark have ads?

DiffuserStick shows ads; MoodMark does not.

### Which is updated more often, DiffuserStick or MoodMark?

DiffuserStick ships an update every 12 months, and MoodMark every 6 days. Most recently, DiffuserStick was updated on September 30, 2026 and MoodMark on October 7, 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.*