# Solving Number Problems vs DiscoveryColors

The clearest difference is iOS requirement: Solving Number Problems at 12.0 against DiscoveryColors's 18.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Solving Number Problems | DiscoveryColors |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 days |
| Size | 23 MB | 3 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Science Education Institute](https://appshunter.io/developer/1439710468) | [VINCENZO RENZO](https://appshunter.io/developer/1822070489) |

## What reviewers say

### Solving Number Problems

[App page](https://appshunter.io/ios/app/solving-number-problems/id6504445503)

**Features:** macOS Compatibility

**In-app purchases:** none


### DiscoveryColors

[App page](https://appshunter.io/ios/app/discoverycolors/id6749164169)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Solving Number Problems free?

Solving Number Problems is free to download, with no in-app purchases.

### Is DiscoveryColors free?

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

### Do Solving Number Problems or DiscoveryColors have ads?

Neither Solving Number Problems nor DiscoveryColors 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.*