# Trace Viewer vs Parchai

The clearest difference is in-app purchases: Trace Viewer at none against Parchai's 3. Parchai's advantage is update cadence (weekly vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Parchai sells 3 one-off in-app purchases. Trace Viewer asks for nothing beyond the download.

Trace Viewer ships an update fortnightly, Parchai weekly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Trace Viewer | Parchai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/trace-viewer/id1666800621/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free | — |
| Size | 183 MB | 51 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Trace3d Inc](https://appshunter.io/developer/1532686125) | [Parchai LLC](https://appshunter.io/developer/6785290295) |

## What reviewers say

### Trace Viewer

[App page](https://appshunter.io/ios/app/trace-viewer/id1666800621)

Explore immersive AR experiences and 3D holographic tours on your device. Discover curated content at verified locations, bringing art, products, and educational guides to life around you.

**Highlights:** View 3D recordings, products, art, and installations, Access curated AR content at verified destinations, Learn from guides, curators, and experts in AR, Cross-device compatibility for phones, tablets, and XR Headsets, Immersive AR experiences

**In-app purchases:** none


### Parchai

[App page](https://appshunter.io/ios/app/parchai/id6785290293)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 credits | $2.00 | one-time |
| 300 credits | $5.00 | one-time |
| 500 credits | $8.00 | one-time |


## Frequently asked questions

### Is Trace Viewer free?

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

### Is Parchai free?

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

### Do Trace Viewer or Parchai have ads?

Neither Trace Viewer nor Parchai shows ads.

### Which is updated more often, Trace Viewer or Parchai?

Trace Viewer ships an update fortnightly, and Parchai weekly. Most recently, Trace Viewer was updated on October 25, 2026 and Parchai on October 24, 2026.

---

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