# SmartRedFilter vs Numora Number Trainer

The clearest difference is ads: Numora Number Trainer at none against SmartRedFilter's shown. Numora Number Trainer also leads on iOS requirement (13.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. SmartRedFilter sells 1 one-off in-app purchase 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 | SmartRedFilter | Numora Number Trainer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Size | 11 MB | 21 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mitsuhiro Hashimoto](https://appshunter.io/developer/509482512) | [kotobaz](https://appshunter.io/developer/1634727152) |

## What reviewers say

### SmartRedFilter

[App page](https://appshunter.io/ios/app/smartredfilter/id6771782559)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $1.99 | one-time |


### 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 SmartRedFilter free?

SmartRedFilter 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 SmartRedFilter or Numora Number Trainer have ads?

SmartRedFilter shows ads; Numora Number Trainer does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*