# メモハック 暗記カード vs SmartRedFilter

The clearest difference is iOS requirement: メモハック 暗記カード at 15.1 against SmartRedFilter's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. メモハック 暗記カード sells 6 in-app purchases, starting at $1.99 per 7 days and SmartRedFilter sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | メモハック 暗記カード | SmartRedFilter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Weekly | — |
| Size | 48 MB | 11 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hinata Tomoda](https://appshunter.io/developer/1790192988) | [Mitsuhiro Hashimoto](https://appshunter.io/developer/509482512) |

## What reviewers say

### メモハック 暗記カード

[App page](https://appshunter.io/ios/app/ai/id6759282044)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| メモハック PRO 週額 | $1.99 | per 7 days |
| メモハックPro 月額 | $5.99 | per month |
| メモハックULTRA週額 | $5.99 | per 7 days |
| メモハック Ultra 月額 | $19.99 | per month |
| メモハックPro 年額 | $59.99 | per year |
| メモハック Ultra 年額 | $199.99 | per year |


### 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 |


## Frequently asked questions

### Is メモハック 暗記カード free?

メモハック 暗記カード is free to download, with in-app purchases available.

### Is SmartRedFilter free?

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

### Do メモハック 暗記カード or SmartRedFilter have ads?

Both メモハック 暗記カード and SmartRedFilter show 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.*