# NOIS plus vs Primary math with Totù

The clearest difference is iOS requirement: NOIS plus at 11.0 against Primary math with Totù's 15.1. 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 | NOIS plus | Primary math with Totù |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Size | 49 MB | 152 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Suggesto s.r.l.](https://appshunter.io/developer/914252133) | [Ivan Rizzo](https://appshunter.io/developer/1798833850) |

## What reviewers say

### NOIS plus

[App page](https://appshunter.io/ios/app/nois-plus/id1627430700)

**Features:** macOS Compatibility

**In-app purchases:** none


### Primary math with Totù

[App page](https://appshunter.io/ios/app/primary-math-with-totu/id6754577296)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NOIS plus free?

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

### Is Primary math with Totù free?

Primary math with Totù is free to download, with no in-app purchases.

### Do NOIS plus or Primary math with Totù have ads?

Neither NOIS plus nor Primary math with Totù 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.*