# Mayo vs Mantl.

The clearest difference is in-app purchases: Mantl. at none against Mayo's 4. Mantl. also leads on iOS requirement (15.1 vs 18.2). Mayo's advantage is update cadence (every 6 days vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. Mayo sells 4 in-app purchases, starting at $9.99 per month. Mantl. asks for nothing beyond the download.

Mayo ships an update every 6 days, Mantl. monthly. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Mayo | Mantl. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Monthly |
| Size | 74 MB | 71 MB |
| Requires iOS | 18.2 | **15.1** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 17+ | 9+ |
| Developer | [Mizu Health Ltd](https://appshunter.io/developer/960718835) | [Edward Barber](https://appshunter.io/developer/1886614114) |

## What reviewers say

### Mayo

[App page](https://appshunter.io/ios/app/mayo-mental-longevity/id6748619923)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Subscription | $9.99 | per month |
| Pro Monthly | $19.99 | per month |
| Yearly Premium Subscription | $69.00 | per year |
| Pro Yearly - 40% Off | $139.99 | per year |


### Mantl.

[App page](https://appshunter.io/ios/app/mantl-nervous-system-reset/id6760882247)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mayo free?

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

### Is Mantl. free?

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

### Do Mayo or Mantl. have ads?

Neither Mayo nor Mantl. shows ads.

### Which is updated more often, Mayo or Mantl.?

Mayo ships an update every 6 days, and Mantl. monthly. Most recently, Mayo was updated on October 28, 2026 and Mantl. on October 25, 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.*