# Unistellar vs ITSPHUN 3D Object Browser

The clearest difference is update cadence: ITSPHUN 3D Object Browser at weekly against Unistellar's every 5 weeks. ITSPHUN 3D Object Browser also leads on iOS requirement (15.2 vs 18.0). 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.

Unistellar ships an update every 5 weeks, ITSPHUN 3D Object Browser weekly. The most recent releases landed on October 24, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Unistellar | ITSPHUN 3D Object Browser |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (101 ratings)](https://appshunter.io/ios/app/unistellar/id1435141427/reviews)** | — |
| Number of ratings | **101** | — |
| Positive reviews | 44.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 524 MB | 73 MB |
| Requires iOS | 18.0 | **15.2** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Unistellar](https://appshunter.io/developer/1384354590) | [Ioana Browne](https://appshunter.io/developer/1886008842) |

## What reviewers say

### Unistellar

[App page](https://appshunter.io/ios/app/unistellar/id1435141427)

Control your smart telescope, explore thousands of celestial objects, and observe them live. Save and share your discoveries, or contribute to real scientific research with citizen science missions.

**Highlights:** Telescope control, Explore 5000+ celestial objects, Live astronomical observation, Instant image sharing, RAW image download, Citizen science missions

**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 Unistellar free?

Unistellar 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 Unistellar or ITSPHUN 3D Object Browser have ads?

Neither Unistellar nor ITSPHUN 3D Object Browser shows ads.

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

Unistellar ships an update every 5 weeks, and ITSPHUN 3D Object Browser weekly. Most recently, Unistellar was updated on October 24, 2026 and ITSPHUN 3D Object Browser on October 13, 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.*