# Gravity 80s vs Skein

The clearest difference is in-app purchases: Gravity 80s at none against Skein's 4. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Skein sells 4 one-off in-app purchases. Gravity 80s asks for nothing beyond the download.

## The numbers

| Metric | Gravity 80s | Skein |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/skein-arcade/id6785116780/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 days | — |
| Monetization | — | Free with in-app purchases |
| Size | 6 MB | 1 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [kota morishita](https://appshunter.io/developer/457218231) | [Thomas Masters](https://appshunter.io/developer/6773804308) |

## What reviewers say

### Gravity 80s

[App page](https://appshunter.io/ios/app/gravity-80s/id6760158837)

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

**In-app purchases:** none


### Skein

[App page](https://appshunter.io/ios/app/skein-arcade/id6785116780)

A one-touch reflex game focused on timing and nerve. Guide a glowing thread through an endlessly narrowing and accelerating corridor, collecting sparks and dodging hazards. Enjoy a pure, offline experience with optional cosmetic themes.

**Highlights:** One-touch control, Endless escalating corridor, Collect sparks for score, Dodge hazards, Multiple motif themes, Offline play

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Floral Pack | $1.99 | one-time |
| Cosmic Pack | $1.99 | one-time |
| Geometric Pack | $1.99 | one-time |
| Cosmetic Bundle | $2.99 | one-time |


## Frequently asked questions

### Is Gravity 80s free?

Gravity 80s is free to download, with no in-app purchases.

### Is Skein free?

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

### Do Gravity 80s or Skein have ads?

Neither Gravity 80s nor Skein shows ads.

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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.*