# ARPlanets 2 vs SJSFI Mobile App

The clearest difference is in-app purchases: SJSFI Mobile App at none against ARPlanets 2's 1. SJSFI Mobile App also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ARPlanets 2 sells 1 one-off in-app purchase. SJSFI Mobile App asks for nothing beyond the download.

ARPlanets 2 ships an update every 6 weeks, SJSFI Mobile App every 3 months. The most recent releases landed on September 27, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | ARPlanets 2 | SJSFI Mobile App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (15 ratings)](https://appshunter.io/ios/app/arplanets-2/id1387711637/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 423 MB | 70 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Daniele Citi](https://appshunter.io/developer/1187632258) | [Livro Systems Incorporated](https://appshunter.io/developer/1896544025) |

## What reviewers say

### ARPlanets 2

[App page](https://appshunter.io/ios/app/arplanets-2/id1387711637)

Explore the augmented reality Solar System with interactive 3D models and intuitive gestures. Learn basic and advanced astronomy concepts through engaging AR lessons.

**Highlights:** Augmented reality Solar System exploration, Interactive 3D model manipulation, Discover celestial body details, AR-based astronomy lessons, User-friendly interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access AR | $1.99 | one-time |


### SJSFI Mobile App

[App page](https://appshunter.io/ios/app/sjsfi-mobile-app/id6754417150)

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

**In-app purchases:** none


## Frequently asked questions

### Is ARPlanets 2 free?

ARPlanets 2 is free to download, with in-app purchases available.

### Is SJSFI Mobile App free?

SJSFI Mobile App is free to download, with no in-app purchases.

### Do ARPlanets 2 or SJSFI Mobile App have ads?

Neither ARPlanets 2 nor SJSFI Mobile App shows ads.

### Which is updated more often, ARPlanets 2 or SJSFI Mobile App?

ARPlanets 2 ships an update every 6 weeks, and SJSFI Mobile App every 3 months. Most recently, ARPlanets 2 was updated on September 27, 2026 and SJSFI Mobile App on October 16, 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.*