# Physio3D Realtime vs Second Wind

The clearest difference is in-app purchases: Physio3D Realtime at none against Second Wind's 3. Second Wind's advantage is update cadence (weekly vs every 2 months) and iOS requirement (15.1 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Second Wind sells 3 in-app purchases, starting at $12.99 per month. Physio3D Realtime asks for nothing beyond the download.

Physio3D Realtime ships an update every 2 months, Second Wind weekly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Physio3D Realtime | Second Wind |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/physio3d-realtime/id6744416078/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | — |
| Size | 1.4 GB | 137 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Labeat Krasniqi](https://appshunter.io/developer/1752269652) | [FastCart LLC](https://appshunter.io/developer/6803015413) |

## What reviewers say

### Physio3D Realtime

[App page](https://appshunter.io/ios/app/physio3d-realtime/id6744416078)

Experience physiotherapy exercises with interactive AR visualizations and intelligent activity tracking. Explore a comprehensive library of exercises and manage your plans with optional AI assistance.

**Highlights:** Augmented Reality (AR) exercise visualizations, Extensive exercise library by body region, Automatic activity and progress tracking, PDF training plan management, Optional AI assistant for questions and plan suggestions, Voice control for AI assistant

**In-app purchases:** none


### Second Wind

[App page](https://appshunter.io/ios/app/second-wind-knee-exercises/id6803015411)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $12.99 | per month |
| AI Companion Monthly | $25.00 | per month |
| Premium Yearly | $59.99 | per year |


## Frequently asked questions

### Is Physio3D Realtime free?

Physio3D Realtime is free to download, with no in-app purchases.

### Is Second Wind free?

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

### Do Physio3D Realtime or Second Wind have ads?

Neither Physio3D Realtime nor Second Wind shows ads.

### Which is updated more often, Physio3D Realtime or Second Wind?

Physio3D Realtime ships an update every 2 months, and Second Wind weekly. Most recently, Physio3D Realtime was updated on November 5, 2026 and Second Wind on October 31, 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.*