# Snowball Spin vs Goldbach conjecture

The clearest difference is in-app purchases: Goldbach conjecture at none against Snowball Spin's 2. Snowball Spin's advantage is device support. On price and iOS requirement there is nothing between them.

Both are free to download. Snowball Spin sells 2 in-app purchases, starting at $1.99 per month. Goldbach conjecture asks for nothing beyond the download.

## The numbers

| Metric | Snowball Spin | Goldbach conjecture |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 37 months | — |
| Size | 7 MB | 1 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [OANA RINALDI](https://appshunter.io/developer/1709880614) | [Sungjun Kim](https://appshunter.io/developer/1602461985) |

## What reviewers say

### Snowball Spin

[App page](https://appshunter.io/ios/app/snowball-spin/id6468423940)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Snowball Plus Monthly | $1.99 | per month |
| Snowball Plus Yearly | $14.99 | per year |


### Goldbach conjecture

[App page](https://appshunter.io/ios/app/goldbach-conjecture/id6627338523)

**In-app purchases:** none


## Frequently asked questions

### Is Snowball Spin free?

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

### Is Goldbach conjecture free?

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

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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.*