# Vayu vs Chi Trainer

The clearest difference is in-app purchases: Chi Trainer at none against Vayu's 3. Chi Trainer also leads on ads (none vs shown) and iOS requirement (13.0.0 vs 16.6). On price and device support there is nothing between them.

Both are free to download. Vayu sells 3 in-app purchases, starting at $8.99 per month. Chi Trainer asks for nothing beyond the download.

## The numbers

| Metric | Vayu | Chi Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (17 ratings)](https://appshunter.io/ios/app/vayu-breathing-guide/id6744126459/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 days | — |
| Monetization | Freemium | — |
| Size | 196 MB | 20 MB |
| Requires iOS | 16.6 | **13.0.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Prana Labs Inc.](https://appshunter.io/developer/1806209067) | [Chi Trainer LLC](https://appshunter.io/developer/1895032062) |

## What reviewers say

### Vayu

[App page](https://appshunter.io/ios/app/vayu-breathing-guide/id6744126459)

This app offers guided breathing exercises with haptic and audio feedback to promote relaxation and mindfulness. It features personalized sessions, reminders, and an AI chatbot for wellness guidance, all accessible from your Apple Watch.

**Highlights:** Personalized breathing sessions, Haptic and audio guidance, Mindfulness reminders, Health app integration, AI-powered wellness chatbot, Breathing analytics dashboard

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vayu Pro Plan | $8.99 | per month |
| Vayu Pro Plan | $59.99 | per year |
| Vayu by Prana Lifetime | $499.99 | one-time |


### Chi Trainer

[App page](https://appshunter.io/ios/app/chi-trainer/id6762829005)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Vayu free?

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

### Is Chi Trainer free?

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

### Do Vayu or Chi Trainer have ads?

Vayu shows ads; Chi Trainer does not.

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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.*