# Solar System AR 4D vs GowanusAR

The clearest difference is in-app purchases: GowanusAR at none against Solar System AR 4D's 3. GowanusAR also leads on update cadence (every 5 months vs every 46 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Solar System AR 4D sells 1 one-off in-app purchase. GowanusAR asks for nothing beyond the download.

Solar System AR 4D ships an update every 46 months, GowanusAR every 5 months. The most recent releases landed on October 27, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Solar System AR 4D | GowanusAR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gowanusar/id6747295340/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 46 months | **Every 5 months** |
| Monetization | — | Free |
| Size | 122 MB | 1.2 GB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ibrahim Amer](https://appshunter.io/developer/1054899889) | [Sarah Drury](https://appshunter.io/developer/1832071542) |

## What reviewers say

### Solar System AR 4D

[App page](https://appshunter.io/ios/app/solar-system-ar-4d/id1593970513)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock | $5.99 | one-time |


### GowanusAR

[App page](https://appshunter.io/ios/app/gowanusar/id6747295340)

Experience the history of Brooklyn's Gowanus Canal through an immersive augmented reality application. Discover stories, sounds, and speculative futures embedded in the landscape as you explore the neighborhood.

**Highlights:** Augmented Reality Navigation, Immersive Spatial Audio, Interactive Storytelling, Speculative Histories, Location-based AR experiences

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Solar System AR 4D free?

Solar System AR 4D is free to download, with in-app purchases available.

### Is GowanusAR free?

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

### Do Solar System AR 4D or GowanusAR have ads?

Neither Solar System AR 4D nor GowanusAR shows ads.

### Which is updated more often, Solar System AR 4D or GowanusAR?

Solar System AR 4D ships an update every 46 months, and GowanusAR every 5 months. Most recently, Solar System AR 4D was updated on October 27, 2026 and GowanusAR on October 6, 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.*