# oMoiD Brain Train vs ZenWalker

The clearest difference is in-app purchases: oMoiD Brain Train at none against ZenWalker's 2. oMoiD Brain Train also leads on iOS requirement (13.4 vs 17). ZenWalker's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. ZenWalker sells 2 in-app purchases, starting at $0.99 per month. oMoiD Brain Train asks for nothing beyond the download.

oMoiD Brain Train ships an update every 3 weeks, ZenWalker monthly. The most recent releases landed on September 9, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | oMoiD Brain Train | ZenWalker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 53 MB | 11 MB |
| Requires iOS | **13.4** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [QUY DIEN LE](https://appshunter.io/developer/1745588028) | [翔 陈](https://appshunter.io/developer/1845957033) |

## What reviewers say

### oMoiD Brain Train

[App page](https://appshunter.io/ios/app/omoid-brain-train/id6504432719)

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

**In-app purchases:** none


### ZenWalker

[App page](https://appshunter.io/ios/app/zenwalker-mindful-walking/id6757518749)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $0.99 | per month |
| Annual Premium | $6.99 | per year |


## Frequently asked questions

### Is oMoiD Brain Train free?

oMoiD Brain Train is free to download, with no in-app purchases.

### Is ZenWalker free?

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

### Do oMoiD Brain Train or ZenWalker have ads?

oMoiD Brain Train shows ads; ZenWalker does not.

### Which is updated more often, oMoiD Brain Train or ZenWalker?

oMoiD Brain Train ships an update every 3 weeks, and ZenWalker monthly. Most recently, oMoiD Brain Train was updated on September 9, 2026 and ZenWalker on September 8, 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.*