# ASTC vs ITSPHUN 3D Object Browser

The clearest difference is update cadence: ITSPHUN 3D Object Browser at weekly against ASTC's every 12 months. 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.

ASTC ships an update every 12 months, ITSPHUN 3D Object Browser weekly. The most recent releases landed on September 30, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | ASTC | ITSPHUN 3D Object Browser |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (30 ratings)](https://appshunter.io/ios/app/astc/id6466039138/reviews)** | — |
| Number of ratings | **30** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Weekly** |
| Monetization | Free | — |
| Size | 87 MB | 73 MB |
| Requires iOS | 15.5 | **15.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [ASSOCIATION OF SCIENCE-TECHNOLOGY CENTERS, INC.](https://appshunter.io/developer/1437372010) | [Ioana Browne](https://appshunter.io/developer/1886008842) |

## What reviewers say

### ASTC

[App page](https://appshunter.io/ios/app/astc/id6466039138)

Enhance your conference experience by accessing schedules, speaker details, and exhibitor information. Take notes directly on presentation slides in real-time and share insights with attendees via in-app messaging, tweeting, or email.

**Highlights:** View conference schedule, Access speaker and exhibitor details, Take real-time notes on slides, Draw directly on presentation slides, In-app messaging with attendees, Share information via tweet/email

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

**In-app purchases:** none


### ITSPHUN 3D Object Browser

[App page](https://appshunter.io/ios/app/itsphun-3d-object-browser/id6760735070)

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

**In-app purchases:** none


## Frequently asked questions

### Is ASTC free?

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

### Is ITSPHUN 3D Object Browser free?

ITSPHUN 3D Object Browser is free to download, with no in-app purchases.

### Do ASTC or ITSPHUN 3D Object Browser have ads?

Neither ASTC nor ITSPHUN 3D Object Browser shows ads.

### Which is updated more often, ASTC or ITSPHUN 3D Object Browser?

ASTC ships an update every 12 months, and ITSPHUN 3D Object Browser weekly. Most recently, ASTC was updated on September 30, 2026 and ITSPHUN 3D Object Browser on September 28, 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.*