# Calmée Mindful vs 78 Arc

The clearest difference is in-app purchases: Calmée Mindful at none against 78 Arc's 2. Calmée Mindful also leads on iOS requirement (11.0 vs 15.0). 78 Arc's advantage is update cadence (every 3 days vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. 78 Arc sells 2 in-app purchases, starting at $5.99 per month. Calmée Mindful asks for nothing beyond the download.

Calmée Mindful ships an update every 7 months, 78 Arc every 3 days. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Calmée Mindful | 78 Arc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 days** |
| Size | 16 MB | 44 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zappter AG](https://appshunter.io/developer/1560121776) | [Martin Hoffmann](https://appshunter.io/developer/6784203618) |

## What reviewers say

### Calmée Mindful

[App page](https://appshunter.io/ios/app/calmee-mindful/id6456413074)

**Features:** macOS Compatibility

**In-app purchases:** none


### 78 Arc

[App page](https://appshunter.io/ios/app/78-arc/id6784203616)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 78 Arc Premium Monthly | $5.99 | per month |
| 78 Arc Premium Yearly | $49.99 | per year |


## Frequently asked questions

### Is Calmée Mindful free?

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

### Is 78 Arc free?

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

### Do Calmée Mindful or 78 Arc have ads?

Neither Calmée Mindful nor 78 Arc shows ads.

### Which is updated more often, Calmée Mindful or 78 Arc?

Calmée Mindful ships an update every 7 months, and 78 Arc every 3 days. Most recently, Calmée Mindful was updated on October 12, 2026 and 78 Arc on October 24, 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.*