# Solar Match vs Goldbach conjecture

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

Both are free to download. Solar Match sells 2 in-app purchases, starting at $2.99 per month. Goldbach conjecture asks for nothing beyond the download.

## The numbers

| Metric | Solar Match | Goldbach conjecture |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 34 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

### Solar Match

[App page](https://appshunter.io/ios/app/solar-match/id6474447927)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Solar Plus Monthly | $2.99 | per month |
| Solar Plus Yearly | $19.99 | per year |


### Goldbach conjecture

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

**In-app purchases:** none


## Frequently asked questions

### Is Solar Match free?

Solar Match 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.*