# Tuning Fork Study vs Astris

The clearest difference is price: Astris at Free against Tuning Fork Study's $1.99. Astris also leads on update cadence (every 3 months vs every 37 months). Tuning Fork Study's advantage is iOS requirement (12.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Astris is free to download; Tuning Fork Study costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Tuning Fork Study ships an update every 37 months, Astris every 3 months. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Tuning Fork Study | Astris |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 37 months | **Every 3 months** |
| Size | 224 MB | 21 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VIRTUAL FILAMENTS PRIVATE LIMITED](https://appshunter.io/developer/1474217212) | [ISTITUTI EDMONDO DE AMICIS SRL](https://appshunter.io/developer/1219261025) |

## What reviewers say

### Tuning Fork Study

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Astris

[App page](https://appshunter.io/ios/app/astris/id6454899891)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tuning Fork Study free?

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

### Is Astris free?

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

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

Neither Tuning Fork Study nor Astris shows ads.

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

Tuning Fork Study ships an update every 37 months, and Astris every 3 months. Most recently, Tuning Fork Study was updated on October 10, 2026 and Astris 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.*