CryptWhiteboard vs 賞味期限スキャナ
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CryptWhiteboard
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You can share the secret drawing by encrypted whiteboard. Multiple users can open the same board at the same time, share the presentation with drawing figures. No way to read the board without password defined by user on creation. To share the whiteboard in your friends, send the board ID and enter the password.
賞味期限スキャナ
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このアプリでは、賞味期限ラベルを撮影・登録するだけで、期限前に通知が届きます。 それによって、賞味期限を記憶しなければいけないストレスがなくなり、冷蔵庫の中身の効率的な管理が可能になります。 さらに、登録済み食品を元にAI(ChatGPT)からの献立提案の機能もあり、毎日の料理アイデアが得られます。 「賞味期限スキャナ」は賞味期限の記憶や毎日の献立の悩みを軽減し、より快適な料理ライフを目指しています。 # 使い方のヒント 冷蔵庫に入れるタイミングで賞味期限をスキャンするのも良いのですが、購入時に手に取ったタイミングでスキャンすると冷蔵庫に入れる際よりも余裕が生まれます。
Screenshots
Verdict
The clearest difference is ads: CryptWhiteboard at none against 賞味期限スキャナ's shown. CryptWhiteboard also leads on device support (3 vs 1) and iOS requirement (13.4 vs 17.0). On price, update cadence and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
CryptWhiteboard ships an update monthly, 賞味期限スキャナ fortnightly. The most recent releases landed on September 29, 2026 and September 27, 2026 respectively.
| Parameter | CryptWhiteboard | 賞味期限スキャナ |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Fortnightly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.4 — better | 17.0 |
| Further details — not scored | ||
| Size | 2 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | ichiro NAKAHARA | Curiosity Software Inc. |
In-app purchases
CryptWhiteboard
No in-app purchases
賞味期限スキャナ
No in-app purchases









