# GAMMA AR vs Saelyx

The clearest difference is in-app purchases: GAMMA AR at none against Saelyx's 6. Saelyx's advantage is update cadence (every 3 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Saelyx sells 6 in-app purchases, starting at $17.99 per month. GAMMA AR asks for nothing beyond the download.

GAMMA AR ships an update every 2 weeks, Saelyx every 3 days. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | GAMMA AR | Saelyx |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (8 ratings)](https://appshunter.io/ios/app/gamma-ar/id1298017298/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | Free | — |
| Size | 384 MB | 60 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [GAMMA Technologies](https://appshunter.io/developer/1495307075) | [Adianny Ramirez](https://appshunter.io/developer/1894714661) |

## What reviewers say

### GAMMA AR

[App page](https://appshunter.io/ios/app/gamma-ar/id1298017298)

Visualize 3D BIM models on construction sites using augmented reality. Compare real-world conditions with plans, detect errors early, and improve communication between site and office. Streamline workflows and reduce costs.

**Highlights:** Augmented reality BIM overlay, On-site construction monitoring, Error detection and prevention, Digital communication channels, Integration with Autodesk, Procore, BIMCollab, BIM model synchronization

**Features:** Vision Pro support

**In-app purchases:** none


### Saelyx

[App page](https://appshunter.io/ios/app/saelyx/id6778351940)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Saelyx Pro | $17.99 | per month |
| Saelyx Premium | $34.99 | per month |
| Saelyx Ultra | $69.99 | per month |
| Saelyx Pro Annual | $179.00 | per year |
| Saelyx Premium Annual | $349.00 | per year |
| Saelyx Ultra Annual | $699.00 | per year |


## Frequently asked questions

### Is GAMMA AR free?

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

### Is Saelyx free?

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

### Do GAMMA AR or Saelyx have ads?

Neither GAMMA AR nor Saelyx shows ads.

### Which is updated more often, GAMMA AR or Saelyx?

GAMMA AR ships an update every 2 weeks, and Saelyx every 3 days. Most recently, GAMMA AR was updated on October 26, 2026 and Saelyx on October 25, 2026.

---

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