おたよりAI vs InVault
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
おたよりAI
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おたよりの写真を撮るだけで、AIが自動でタイトルを認識します!また、行事予定も自動で検知。 ワンタップでカレンダーに追加できます! タグ機能を使えば、「子ども別」や「学校別」等に保管できるので整理がかんたん! 【タイトルを自動検知】 写真を撮るとAIが全自動でおたよりのタイトルを取得。 手動入力は一切必要ありません! 【予定を自動検知】 AIがおたよりに書かれている行事予定を自動で検知。 ワンタップでカレンダーに追加することができます! 【おたよりを自動でスキャン】 斜めから適当に写真を撮っても大丈夫! 歪みを自動で直して、綺麗な写真として保管できます。 おたよりを検知して自動で撮影してくれるので、シャッターボタンを押す必要もありません! 【キーワード・タグで検索可能】 読み込んだおたよりは、タイトルやメモ内容で検索が可能! また、設定したタグで絞り込むこともできます。 【カレンダー機能でわかりやすい】 読み込んだ、おたよりはカレンダーに追加されます。 また、検知した行事予定もカレンダーに追加されるので、行事を忘れてしまうこともありません! 【お問い合わせ】 メール:syuapp.info@gmail.com
InVault
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Keep your important documents safe and accessible, right on your smartphone. Just scan and they're automatically sorted — with text recognition for instant search. [Key Features] Scan & Auto-Organize Scan any document with your camera and it's automatically categorized — receipts, medical records, contracts, and more. Import from your photo library or PDF files too. Text Recognition & Search Text in your documents is automatically recognized. Find what you need instantly with keyword search. Folder Management Create folders to organize your documents freely. Nested folders are supported for deeper organization. Biometric & Passcode Lock Protect your app with Face ID or Touch ID. A 4-digit passcode option is also available. Cloud Sync (Pro Plan) Automatic sync with iCloud or Google Drive. Access your documents across multiple devices anytime. Export & Backup Export your documents as a ZIP file for backup. Restore anytime with ease. [Privacy First] InVault is designed with privacy as the top priority. All scanned documents are stored exclusively on your device — nothing is ever sent to external servers. Text recognition is also processed entirely on-device. [Plans] Free Plan: Save up to 20 documents Light Plan: Unlimited document storage Pro Plan: Unlimited storage + iCloud / Google Drive sync
Screenshots
Verdict
The clearest difference is in-app purchases: おたよりAI at none against InVault's 4. InVault's advantage is device support and iOS requirement (15.1 vs 17.2). On price 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. InVault sells 4 in-app purchases, starting at $2.99 per month. おたよりAI asks for nothing beyond the download.
| Parameter | おたよりAI | InVault |
|---|---|---|
| Price | Free | Free |
| Ads | — | No |
| In-app purchases | No — better | Yes |
| Devices | — | iPhone, iPad, iPod — better |
| Requires iOS | 17.2 | 15.1 — better |
| Further details — not scored | ||
| Size | 28 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | kenichi kato | Ludiam Inc |
In-app purchases
おたよりAI
No in-app purchases
InVault
- InVault Light Monthly Plan$2.991 Month
- InVault Pro Monthly Plan$7.991 Month
- InVault Light Annual Plan$29.991 Year
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- InVault Pro Annual Plan$79.991 Year









