# Card Memorizer vs SDA교육

The clearest difference is update cadence: SDA교육 at every 6 months against Card Memorizer's every 12 months. 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.

Card Memorizer ships an update every 12 months, SDA교육 every 6 months. The most recent releases landed on October 15, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Card Memorizer | SDA교육 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 6 months** |
| Size | 39 MB | 31 MB |
| Requires iOS | **15.5** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sangwon Hong](https://appshunter.io/developer/1752911810) | [Nexmotion. Inc](https://appshunter.io/developer/1218599652) |

## What reviewers say

### Card Memorizer

[App page](https://appshunter.io/ios/app/card-memorizer/id6504581198)

**Features:** macOS Compatibility

**In-app purchases:** none


### SDA교육

[App page](https://appshunter.io/ios/app/sda/id6747026245)

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

**In-app purchases:** none


## Frequently asked questions

### Is Card Memorizer free?

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

### Is SDA교육 free?

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

### Do Card Memorizer or SDA교육 have ads?

Neither Card Memorizer nor SDA교육 shows ads.

### Which is updated more often, Card Memorizer or SDA교육?

Card Memorizer ships an update every 12 months, and SDA교육 every 6 months. Most recently, Card Memorizer was updated on October 15, 2026 and SDA교육 on October 8, 2026.

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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.*