# WellStream vs Mayo

The clearest difference is update cadence: Mayo at every 6 days against WellStream's every 4 weeks. WellStream's advantage is iOS requirement (12.0 vs 18.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. WellStream sells 2 in-app purchases, starting at $14.99 per month and Mayo sells 4 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

WellStream ships an update every 4 weeks, Mayo every 6 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | WellStream | Mayo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/wellstream/id1584580031/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 6 days** |
| Monetization | Freemium | — |
| Size | 77 MB | 74 MB |
| Requires iOS | **12.0** | 18.2 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 12+ | 17+ |
| Developer | [NOTHING IS OBVIOUS LIMITED](https://appshunter.io/developer/1584580033) | [Mizu Health Ltd](https://appshunter.io/developer/960718835) |

## What reviewers say

### WellStream

[App page](https://appshunter.io/ios/app/wellstream/id1584580031)

Measure and track your daily mental wellbeing with interactive quizzes. Identify life factors impacting your mood and gain insights to cultivate a healthier lifestyle. Explore your self-awareness and build a path to personal wellness.

**Highlights:** Daily mental wellbeing quiz, Track mental wellbeing over time, Map life factors impacting mood, Deepen self-knowledge, Create a wellness lifestyle

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WellStream Premium | $14.99 | per month |
| WellStream Annual | $89.99 | per year |


### 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 |


## Frequently asked questions

### Is WellStream free?

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

### Is Mayo free?

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

### Do WellStream or Mayo have ads?

Neither WellStream nor Mayo shows ads.

### Which is updated more often, WellStream or Mayo?

WellStream ships an update every 4 weeks, and Mayo every 6 days. Most recently, WellStream was updated on October 30, 2026 and Mayo on October 28, 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.*