# 3DARVI Light vs What The Sun?

The clearest difference is price: 3DARVI Light at Free against What The Sun?'s $0.99. 3DARVI Light also leads on iOS requirement (15.0 vs 18.6). What The Sun?'s advantage is update cadence (every 3 days vs monthly). On ads, in-app purchases and device support there is nothing between them.

3DARVI Light is free to download; What The Sun? costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

3DARVI Light ships an update monthly, What The Sun? every 3 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 3DARVI Light | What The Sun? |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Size | 302 MB | 40 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [MTI Ltd.](https://appshunter.io/developer/365850673) | [Mark David](https://appshunter.io/developer/328738635) |

## What reviewers say

### 3DARVI Light

[App page](https://appshunter.io/ios/app/3darvi-light/id6738384601)

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

**In-app purchases:** none


### What The Sun?

[App page](https://appshunter.io/ios/app/what-the-sun/id6779562429)

**In-app purchases:** none


## Frequently asked questions

### Is 3DARVI Light free?

3DARVI Light is free to download, with no in-app purchases.

### Is What The Sun? free?

What The Sun? costs $0.99, with no in-app purchases.

### Do 3DARVI Light or What The Sun? have ads?

Neither 3DARVI Light nor What The Sun? shows ads.

### Which is updated more often, 3DARVI Light or What The Sun??

3DARVI Light ships an update monthly, and What The Sun? every 3 days. Most recently, 3DARVI Light was updated on October 30, 2026 and What The Sun? on October 31, 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.*