# Red Sheet vs Numora Number Trainer

The clearest difference is ads: Numora Number Trainer at none against Red Sheet's shown. Numora Number Trainer also leads on iOS requirement (13.0 vs 18.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Red Sheet sells 1 in-app purchase, starting at $2.99 per year and Numora Number Trainer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Red Sheet | Numora Number Trainer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 days | — |
| Size | 180 MB | 21 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [N-Verse LLC](https://appshunter.io/developer/1868412567) | [kotobaz](https://appshunter.io/developer/1634727152) |

## What reviewers say

### Red Sheet

[App page](https://appshunter.io/ios/app/red-sheet-kun-ai-study-sheets/id6775183078)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Red Sheet-kun Premium Annual | $2.99 | per year |


### Numora Number Trainer

[App page](https://appshunter.io/ios/app/numora-number-trainer/id6781715221)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Numora Premium | $4.99 | one-time |


## Frequently asked questions

### Is Red Sheet free?

Red Sheet is free to download, with in-app purchases available.

### Is Numora Number Trainer free?

Numora Number Trainer is free to download, with in-app purchases available.

### Do Red Sheet or Numora Number Trainer have ads?

Red Sheet shows ads; Numora Number Trainer does not.

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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.*