# Study Vision AI 復習ノート vs CardLingo 単語帳・暗記カードアプリ

The clearest difference is ads: CardLingo 単語帳・暗記カードアプリ at none against Study Vision AI 復習ノート's shown. Study Vision AI 復習ノート's advantage is update cadence (every 2 days vs every 2 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Study Vision AI 復習ノート sells 2 in-app purchases, starting at $12.99 per month and CardLingo 単語帳・暗記カードアプリ sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Study Vision AI 復習ノート ships an update every 2 days, CardLingo 単語帳・暗記カードアプリ every 2 weeks. The most recent releases landed on October 8, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Study Vision AI 復習ノート | CardLingo 単語帳・暗記カードアプリ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Size | 6 MB | 6 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [reiko hori](https://appshunter.io/developer/1777370692) | [Kazuhiro Araki](https://appshunter.io/developer/6780723998) |

## What reviewers say

### Study Vision AI 復習ノート

[App page](https://appshunter.io/ios/app/study-vision-ai/id6757267244)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Plan | $12.99 | per month |
| PREMIUMプラン | $24.99 | per month |


### CardLingo 単語帳・暗記カードアプリ

[App page](https://appshunter.io/ios/app/cardlingo/id6783299020)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cardlingo Premium Monthly | $1.99 | per month |
| Cardlingo Premium Yearly | $14.99 | per year |


## Frequently asked questions

### Is Study Vision AI 復習ノート free?

Study Vision AI 復習ノート is free to download, with in-app purchases available.

### Is CardLingo 単語帳・暗記カードアプリ free?

CardLingo 単語帳・暗記カードアプリ is free to download, with in-app purchases available.

### Do Study Vision AI 復習ノート or CardLingo 単語帳・暗記カードアプリ have ads?

Study Vision AI 復習ノート shows ads; CardLingo 単語帳・暗記カードアプリ does not.

### Which is updated more often, Study Vision AI 復習ノート or CardLingo 単語帳・暗記カードアプリ?

Study Vision AI 復習ノート ships an update every 2 days, and CardLingo 単語帳・暗記カードアプリ every 2 weeks. Most recently, Study Vision AI 復習ノート was updated on October 8, 2026 and CardLingo 単語帳・暗記カードアプリ on October 15, 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.*