# Posterity AR vs i3DSteroid360

The clearest difference is price: Posterity AR at Free against i3DSteroid360's $1.99. Posterity AR also leads on iOS requirement (12.0 vs 15.0). i3DSteroid360's advantage is update cadence (every 6 days vs every 2 months). On ads, in-app purchases and device support there is nothing between them.

Posterity AR is free to download; i3DSteroid360 costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Posterity AR ships an update every 2 months, i3DSteroid360 every 6 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Posterity AR | i3DSteroid360 |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | — | **[1.0 (2 ratings)](https://appshunter.io/ios/app/i3dsteroid360/id1296623001/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | — | Paid |
| Size | 177 MB | 5 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Augmented Experiences SpA](https://appshunter.io/developer/1441469869) | [Spmaker](https://appshunter.io/developer/467945373) |

## What reviewers say

### Posterity AR

[App page](https://appshunter.io/ios/app/posterity-ar/id1225414718)

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

**In-app purchases:** none


### i3DSteroid360

[App page](https://appshunter.io/ios/app/i3dsteroid360/id1296623001)

This app aligns and views 360-degree stereoscopic images captured by spherical cameras. It processes equirectangular images to create a 3D effect, allowing users to experience immersive stereoscopic views.

**Highlights:** 3D360 equirectangular alignment, VR viewing, Stereoscopic image processing, Supports spherical cameras, Immersive VR experience

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

**In-app purchases:** none


## Frequently asked questions

### Is Posterity AR free?

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

### Is i3DSteroid360 free?

i3DSteroid360 costs $1.99, with no in-app purchases.

### Do Posterity AR or i3DSteroid360 have ads?

Neither Posterity AR nor i3DSteroid360 shows ads.

### Which is updated more often, Posterity AR or i3DSteroid360?

Posterity AR ships an update every 2 months, and i3DSteroid360 every 6 days. Most recently, Posterity AR was updated on October 24, 2026 and i3DSteroid360 on October 24, 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.*