# 3D Solar System vs Stangle

The clearest difference is in-app purchases: Stangle at none against 3D Solar System's 12. Stangle also leads on ads (none vs shown) and iOS requirement (13.0 vs 16.0). 3D Solar System's advantage is update cadence (fortnightly vs every 15 months). On price and device support there is nothing between them.

Both are free to download. 3D Solar System sells 12 in-app purchases, starting at $7.99 per 7 days. Stangle asks for nothing beyond the download.

3D Solar System ships an update fortnightly, Stangle every 15 months. The most recent releases landed on October 16, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | 3D Solar System | Stangle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (1.7K ratings)](https://appshunter.io/ios/app/3d-solar-system-planets-view/id983877380/reviews)** | — |
| Number of ratings | **1.7K** | — |
| Positive reviews | 29.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 15 months |
| Monetization | Free with in-app purchases | — |
| Size | 347 MB | 73 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Education Terra](https://appshunter.io/developer/946819038) | [Laurent Marchal](https://appshunter.io/developer/1557622214) |

## What reviewers say

### 3D Solar System

[App page](https://appshunter.io/ios/app/3d-solar-system-planets-view/id983877380)

Explore the solar system in 3D and augmented reality. Learn about planets, moons, stars, and constellations through interactive models, scientific facts, and engaging quizzes. Create your own planets with AI.

**Highlights:** 3D & AR Solar System models, Scientific facts about celestial bodies, Interactive star map, Engaging educational tasks and quizzes, AI-powered planet creation

**Features:** macOS Compatibility

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week Subscription | $7.99 | per 7 days |
| 1 Month PRO | $9.99 | per month |
| 1 month Sale | $10.99 | per month |
| 12 months sale | $14.99 | per year |
| 6 months | $19.99 | per 6 months |
| Astronomy guide - Sky atlas | $19.99 | per month |
| 12 months | $29.99 | per year |
| Astronomy guide - Sky atlas | $29.99 | per 3 months |
| 2 Month Subscription | $39.99 | per 2 months |
| 2 Months Subscription | $39.99 | per 2 months |
| Disable Ads Sale | $9.99 | one-time |
| Disable Ads | $19.99 | one-time |

**What reviewers like**

- 🌟 Informative and educational
- 🔍 Detailed solar system information
- 🎨 Cool visuals and graphics

**What reviewers complain about**

- 💰 Expensive subscription model
- 🔒 Difficult to cancel subscription
- 🤔 Misleading 'free' claims
- 🐛 Bugs and glitches
- 🤯 Confusing user interface

**Reported bugs**

- Planets displayed incorrectly
- Subscription charges without consent
- Inability to cancel subscription

**Requested features**

- More free content and features
- Realistic planet models and animations
- Expanded content beyond the solar system
- Improved accessibility and usability


### Stangle

[App page](https://appshunter.io/ios/app/stangle/id6740143998)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 3D Solar System free?

3D Solar System is free to download, with in-app purchases available.

### Is Stangle free?

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

### Do 3D Solar System or Stangle have ads?

3D Solar System shows ads; Stangle does not.

### Which is updated more often, 3D Solar System or Stangle?

3D Solar System ships an update fortnightly, and Stangle every 15 months. Most recently, 3D Solar System was updated on October 16, 2026 and Stangle on September 29, 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.*