# CompTIA Security+ Prep vs NumLingo

The clearest difference is in-app purchases: NumLingo at none against CompTIA Security+ Prep's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CompTIA Security+ Prep sells 3 in-app purchases, starting at $19.99 per month. NumLingo asks for nothing beyond the download.

## The numbers

| Metric | CompTIA Security+ Prep | NumLingo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 22 MB | 43 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [学勇 张](https://appshunter.io/developer/590340880) | [Valeriy Kondranin](https://appshunter.io/developer/1734855673) |

## What reviewers say

### CompTIA Security+ Prep

[App page](https://appshunter.io/ios/app/comptia-security-plus-prep/id6478573710)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MONTHLY | $19.99 | per month |
| 3 MONTHS | $39.99 | per 3 months |
| YEARLY | $59.99 | per year |


### NumLingo

[App page](https://appshunter.io/ios/app/numlingo-numbers-worldwide/id6479067907)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CompTIA Security+ Prep free?

CompTIA Security+ Prep is free to download, with in-app purchases available.

### Is NumLingo free?

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

### Do CompTIA Security+ Prep or NumLingo have ads?

Neither CompTIA Security+ Prep nor NumLingo 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.*