# Planetaria vs Tuning Fork Study

The clearest difference is update cadence: Planetaria at every 5 months against Tuning Fork Study's every 37 months. Tuning Fork Study's advantage is price ($1.99 vs $4.99) and iOS requirement (12.0 vs 16.4). On ads, in-app purchases and device support there is nothing between them.

Planetaria costs $4.99 and Tuning Fork Study $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Planetaria ships an update every 5 months, Tuning Fork Study every 37 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Planetaria | Tuning Fork Study |
| --- | --- | --- |
| Price | $4.99 | **$1.99** |
| Rating | **[4.2 (16 ratings)](https://appshunter.io/ios/app/planetaria-space-simulator/id1546887479/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 37 months |
| Monetization | Paid | — |
| Size | 510 MB | 224 MB |
| Requires iOS | 16.4 | **12.0** |
| Devices | iPhone, iPad, Vision Pro | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Joseph Rupertus](https://appshunter.io/developer/1610637143) | [VIRTUAL FILAMENTS PRIVATE LIMITED](https://appshunter.io/developer/1474217212) |

## What reviewers say

### Planetaria

[App page](https://appshunter.io/ios/app/planetaria-space-simulator/id1546887479)

Explore a dynamic 3D model of the Solar System, synchronizing with real-time data to show celestial bodies in orbit. Discover planets, dwarf planets, and moons with detailed surface models. Manipulate time to view past and future solar system configurations.

**Highlights:** Interactive 3D Solar System model, Real-time celestial body positions, Detailed 3D surface models, Explore planets, dwarf planets, and moons, Time manipulation (past/future), AR integration

**Features:** macOS Compatibility

**In-app purchases:** none


### Tuning Fork Study

[App page](https://appshunter.io/ios/app/tuning-fork-study-edutech-era/id6444695848)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Planetaria free?

Planetaria costs $4.99, with no in-app purchases.

### Is Tuning Fork Study free?

Tuning Fork Study costs $1.99, with no in-app purchases.

### Do Planetaria or Tuning Fork Study have ads?

Neither Planetaria nor Tuning Fork Study shows ads.

### Which is updated more often, Planetaria or Tuning Fork Study?

Planetaria ships an update every 5 months, and Tuning Fork Study every 37 months. Most recently, Planetaria was updated on October 24, 2026 and Tuning Fork Study on October 27, 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.*