# Zapbox 3D Model Viewer vs Action Inbox

The clearest difference is price: Zapbox 3D Model Viewer at Free against Action Inbox's $0.29. Zapbox 3D Model Viewer also leads on iOS requirement (12.0 vs 26.2). Action Inbox's advantage is update cadence (every 3 days vs every 6 months) and device support (4 vs 2). On ads and in-app purchases there is nothing between them.

Zapbox 3D Model Viewer is free to download; Action Inbox costs $0.29 up front. Neither carries in-app purchases, so what you see is what you pay.

Zapbox 3D Model Viewer ships an update every 6 months, Action Inbox every 3 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Zapbox 3D Model Viewer | Action Inbox |
| --- | --- | --- |
| Price | **Free** | $0.29 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/zapbox-3d-model-viewer/id6466207058/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 95 MB | 3 MB |
| Requires iOS | **12.0** | 26.2 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Zappar Limited](https://appshunter.io/developer/429885271) | [African Techno](https://appshunter.io/developer/1727690843) |

## What reviewers say

### Zapbox 3D Model Viewer

[App page](https://appshunter.io/ios/app/zapbox-3d-model-viewer/id6466207058)

Explore and view 3D models in your real-world environment. Seamlessly access a vast catalog of 3D content and personalize your viewing experience by logging into your account. Ideal for designers, architects, and educators.

**Highlights:** View 3D models in real life, Sketchfab catalog integration, Personalized viewing with account login, Ideal for designers and educators, Supports 6-DoF controllers, Requires iPhone 11 or later

**In-app purchases:** none


### Action Inbox

[App page](https://appshunter.io/ios/app/action-inbox/id6760961555)

**In-app purchases:** none


## Frequently asked questions

### Is Zapbox 3D Model Viewer free?

Zapbox 3D Model Viewer is free to download, with no in-app purchases.

### Is Action Inbox free?

Action Inbox costs $0.29, with no in-app purchases.

### Do Zapbox 3D Model Viewer or Action Inbox have ads?

Neither Zapbox 3D Model Viewer nor Action Inbox shows ads.

### Which is updated more often, Zapbox 3D Model Viewer or Action Inbox?

Zapbox 3D Model Viewer ships an update every 6 months, and Action Inbox every 3 days. Most recently, Zapbox 3D Model Viewer was updated on October 24, 2026 and Action Inbox on October 24, 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.*