# PSiO vs Light & Laser Therapy

The clearest difference is update cadence: PSiO at every 11 months against Light & Laser Therapy's every 47 months. PSiO also leads on iOS requirement (9.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PSiO ships an update every 11 months, Light & Laser Therapy every 47 months. The most recent releases landed on October 3, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | PSiO | Light & Laser Therapy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/light-and-laser-therapy/id1576760445/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 months** | Every 47 months |
| Monetization | — | Free |
| Size | 25 MB | 33 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Psychomed.com SA](https://appshunter.io/developer/1318018249) | [Ken Teegardin](https://appshunter.io/developer/1491662698) |

## What reviewers say

### PSiO

[App page](https://appshunter.io/ios/app/psio/id1318018250)

**Features:** macOS Compatibility

**In-app purchases:** none


### Light & Laser Therapy

[App page](https://appshunter.io/ios/app/light-and-laser-therapy/id1576760445)

This app provides users with faster support, the latest news, and community connection. It also includes helpful tools and welcomes user feedback and suggestions for improvement.

**Highlights:** Faster user support, Latest news updates, Community connection, Helpful tools, User feedback integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PSiO free?

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

### Is Light & Laser Therapy free?

Light & Laser Therapy is free to download, with no in-app purchases.

### Do PSiO or Light & Laser Therapy have ads?

Neither PSiO nor Light & Laser Therapy shows ads.

### Which is updated more often, PSiO or Light & Laser Therapy?

PSiO ships an update every 11 months, and Light & Laser Therapy every 47 months. Most recently, PSiO was updated on October 3, 2026 and Light & Laser Therapy on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*