Red Sheet Camera vs 暗記ノート
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Red Sheet Camera
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Turn your everyday notes into flashcards — just by taking a photo. Red Sheet Camera hides the answers you wrote in red or orange pen (and green highlighter), so you can quiz yourself just like a physical red memorization sheet. HOW IT WORKS — 3 EASY STEPS 1. Scan your notes or textbook (auto-straightened) 2. Red-pen answers get hidden by the sheet 3. Tap or slide the sheet to reveal the answers FEATURES - A real red sheet, digitized The same idea as a physical red sheet: red and orange pen disappear, while black and blue text stays readable. - Auto-Hide Tap "Auto-Hide" to detect red/orange pen and green highlighter and cover them automatically. Fine-tune the hidden areas by tap or drag. - Organize by subject Keep a separate notebook for each subject — biology, history, English, math and more. - Fully on-device Everything works offline, and your photos stay on your device. Perfect for exam prep, vocabulary, dates, formulas and anything you need to memorize. PRO (ONE-TIME PURCHASE) Scanning, hiding and studying with the red sheet stay free, always. With Pro: - The parts you could not recall are remembered - Next time, review only those parts - See how many rounds you have done and how much you recalled - No ads One payment. Restore it for free after changing or reinstalling your device.
暗記ノート
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暗記ノートは、自分で作ったカードを使って、毎日の学習と復習を続けるためのアプリです。カードと学習履歴は端末内に保存され、アカウント登録なしで使えます。 ■ 学びたい内容をカードに 一問一答、記述式、穴埋め、画像マスクなど、内容に合わせた形式でカードを作成できます。デッキとタグで整理し、写真や画像も学習に活用できます。 ■ 復習のタイミングを管理 回答後の自己評価をもとに、FSRSによる間隔反復で次の復習予定を計算します。復習、新規学習、両方を組み合わせた学習を選べます。 ■ 毎日の学習を確認 学習記録や復習予定を確認でき、ウィジェットと通知で学習の習慣づくりを支援します。 ■ データの取り込みとバックアップ CSVやAPKGなどの取り込み、学習デッキの書き出し、完全バックアップと復元に対応しています。 機種変更やアプリの削除に備え、大切な学習データは定期的に完全バックアップを書き出し、端末外へ保存してください。
Screenshots
Verdict
The clearest difference is in-app purchases: 暗記ノート at none against Red Sheet Camera's 2. 暗記ノート also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Red Sheet Camera sells 2 one-off in-app purchases. 暗記ノート asks for nothing beyond the download.
| Parameter | Red Sheet Camera | 暗記ノート |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 16 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | RAINBOW TREE LLC | 特定非営利活動法人SETB |
In-app purchases
Red Sheet Camera
- 赤シートカメラ Pro$2.99
- 広告を削除$2.99
暗記ノート
No in-app purchases









