# Avontus Viewer vs KStrong Compass™

The clearest difference is review sentiment: Avontus Viewer at 100% against KStrong Compass™'s 50%. Avontus Viewer also leads on rating (5.0 vs 3.8) and iOS requirement (14.0 vs 16.0). KStrong Compass™'s advantage is update cadence (every 5 weeks vs every 6 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Avontus Viewer holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 8 and 5 respectively. Written reviews point the same way: 100% of Avontus Viewer's written reviews are positive against 50% of KStrong Compass™'s.

Avontus Viewer ships an update every 6 months, KStrong Compass™ every 5 weeks. The most recent releases landed on June 6, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Avontus Viewer | KStrong Compass™ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/avontus-viewer/id1127910482/reviews)** | [3.8 (5 ratings)](https://appshunter.io/ios/app/kstrong-compass/id1496910925/reviews) |
| Number of ratings | **8** | 5 |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 133 MB | 147 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Avontus Software Corporation](https://appshunter.io/developer/1127910481) | [Arresto Solutions Private Limited](https://appshunter.io/developer/1444831394) |

## What reviewers say

### Avontus Viewer

[App page](https://appshunter.io/ios/app/avontus-viewer/id1127910482)

Visualize scaffold structures in 3D, VR, and AR. Share your designs with clients and colleagues using intuitive touch controls and various scaffold system support.

**Highlights:** 3D model exploration, VR view with Google Cardboard, AR view for real-world visualization, Support for multiple scaffold systems, Free sharing of scaffold designs

**In-app purchases:** none


### KStrong Compass™

[App page](https://appshunter.io/ios/app/kstrong-compass/id1496910925)

This app helps manage fall protection equipment by tracking inspections, maintenance, and user assignments. It uses QR codes, RFID tags, and label scanning to provide critical product data and reminders for safety compliance.

**Highlights:** Automated Inspection Reminders (AIR system), Equipment issuance and user accountability, QR code, RFID, and label scanning, Access to product critical data, Knowledge Tree for industry-specific equipment selection, Cloud-based asset management

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

**In-app purchases:** none


## Frequently asked questions

### Is Avontus Viewer free?

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

### Is KStrong Compass™ free?

KStrong Compass™ is free to download, with no in-app purchases.

### Which has better reviews, Avontus Viewer or KStrong Compass™?

Avontus Viewer is rated higher. Avontus Viewer averages 5.0 out of 5 from 8 ratings, while KStrong Compass™ averages 3.8 from 5 ratings.

### Do Avontus Viewer or KStrong Compass™ have ads?

Neither Avontus Viewer nor KStrong Compass™ shows ads.

### Which is updated more often, Avontus Viewer or KStrong Compass™?

Avontus Viewer ships an update every 6 months, and KStrong Compass™ every 5 weeks. Most recently, Avontus Viewer was updated on June 6, 2026 and KStrong Compass™ on September 9, 2026.

---

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