# Goldbach conjecture vs Blitz Dash

The clearest difference is in-app purchases: Goldbach conjecture at none against Blitz Dash's 4. Blitz Dash's advantage is device support. On price and iOS requirement there is nothing between them.

Both are free to download. Blitz Dash sells 4 one-off in-app purchases. Goldbach conjecture asks for nothing beyond the download.

## The numbers

| Metric | Goldbach conjecture | Blitz Dash |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | — | Fortnightly |
| Size | 1 MB | 217 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sungjun Kim](https://appshunter.io/developer/1602461985) | [GamShaft](https://appshunter.io/developer/1772872589) |

## What reviewers say

### Goldbach conjecture

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

**In-app purchases:** none


### Blitz Dash

[App page](https://appshunter.io/ios/app/blitz-dash/id6736649460)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ruby 500 + 150 | $2.99 | one-time |
| Remove Ads | $3.99 | one-time |
| Ruby 1200 + 360 | $5.99 | one-time |
| Ruby 4000 + 1200 | $17.99 | one-time |


## Frequently asked questions

### Is Goldbach conjecture free?

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

### Is Blitz Dash free?

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

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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.*