# INDSPHINX 4.0 vs Citizen 3D Showroom

The clearest difference is update cadence: Citizen 3D Showroom at every 2 months against INDSPHINX 4.0's every 10 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.

INDSPHINX 4.0 ships an update every 10 months, Citizen 3D Showroom every 2 months. Both last shipped on November 7, 2026.

## The numbers

| Metric | INDSPHINX 4.0 | Citizen 3D Showroom |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 months** |
| Size | 23 MB | 746 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Richa Sharma](https://appshunter.io/developer/1490819029) | [Citizen Machinery Europe GmbH](https://appshunter.io/developer/1526653701) |

## What reviewers say

### INDSPHINX 4.0

[App page](https://appshunter.io/ios/app/indsphinx-40/id1490819030)

**Features:** macOS Compatibility

**In-app purchases:** none


### Citizen 3D Showroom

[App page](https://appshunter.io/ios/app/citizen-3d-showroom/id1625318381)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is INDSPHINX 4.0 free?

INDSPHINX 4.0 is free to download, with no in-app purchases.

### Is Citizen 3D Showroom free?

Citizen 3D Showroom is free to download, with no in-app purchases.

### Do INDSPHINX 4.0 or Citizen 3D Showroom have ads?

Neither INDSPHINX 4.0 nor Citizen 3D Showroom shows ads.

### Which is updated more often, INDSPHINX 4.0 or Citizen 3D Showroom?

INDSPHINX 4.0 ships an update every 10 months, and Citizen 3D Showroom every 2 months. Most recently, INDSPHINX 4.0 was updated on November 7, 2026 and Citizen 3D Showroom on November 7, 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.*