オンデバイス文字起こし vs SoloWatermark
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
オンデバイス文字起こし
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Kasaneは、音声を録音しながらリアルタイムで文字起こしし、AIが内容を自動で要約するアプリです。すべての処理がデバイス上で完結するため、あなたの情報はどこにも送信されません。 主な機能 リアルタイム文字起こし — 録音中からテキストを確認できます AI自動要約 — タイトルと要約を自動で生成します ノート機能 — 録音中に気づいたことをその場でメモできます 完全オンデバイス — データはすべてデバイス内に保存されます こんなときに 会議やミーティングの議事録に 講義や授業の記録に インタビューや取材の文字起こしに アイデアの音声メモに シンプルな操作で、録音・文字起こし・要約をひとつのアプリで。
SoloWatermark
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SoloWatermark lets you add watermarks to photos on your iPhone. Built around the idea “your signature on your photos,” you can place text or images on a selected photo, adjust position, size, and opacity, then save straight to your photo library. FREE FEATURES • Text watermarks Enter any text and adjust font and opacity to overlay it on your photos. SOLOWATERMARK PRO FEATURES • Image watermarks Overlay transparent PNGs or background-removed images as watermarks. • Zoom-style tiled watermarks Repeat your watermark across the entire photo. • Markup Draw freely on photos (iOS). • QR code watermarks Embed a URL as a QR code on your photo. • Background removal Extract the subject and save as a transparent PNG (processed on-device). WHO IT’S FOR • Anyone who wants credits or signatures before posting to social media • Sellers and creators watermarking listing or portfolio photos • People looking for a simple, ready-to-use watermark app PRIVACY Photo selection, editing, and saving all happen on your device. We do not upload your photos to developer servers. ABOUT SOLOWATERMARK PRO SoloWatermark Pro is an auto-renewing subscription. Subscribing unlocks all Pro features listed above. Pricing is shown on the purchase screen. • Payment is charged to your Apple ID account • Subscription renews automatically unless canceled at least 24 hours before the end of the current period • Renewal charges are billed within 24 hours before the end of the current period unless canceled in Account Settings • Manage or cancel anytime in App Store account settings after purchase • Any unused portion of a free trial may be forfeited when you purchase a subscription Terms of Service and Privacy Policy are available in the app Settings. • Terms of Service: https://pacific-sandalwood-6de.notion.site/397a1df91a07803da4eadc7142b45b1c • Privacy Policy: https://pacific-sandalwood-6de.notion.site/de0f01e36f5d4d2ebaeed98414a568aa
Screenshots
Verdict
The clearest difference is in-app purchases: オンデバイス文字起こし at none against SoloWatermark's 2. SoloWatermark's advantage is iOS requirement (16.4 vs 26.0). On price, update cadence, ads and device support 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. SoloWatermark sells 2 in-app purchases, starting at $1.99 per month. オンデバイス文字起こし asks for nothing beyond the download.
オンデバイス文字起こし ships an update every 4 days, SoloWatermark weekly. Both last shipped on November 5, 2026.
| Parameter | オンデバイス文字起こし | SoloWatermark |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days — better | Weekly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 26.0 | 16.4 — better |
| Further details — not scored | ||
| Size | 9 MB | 74 MB |
| Age rating | 4+ | 4+ |
| Developer | Ryo Iwanaga | JUNICHI HASHIMOTO |
In-app purchases
オンデバイス文字起こし
No in-app purchases
SoloWatermark
- Premium Membership$1.991 Month
- Premium Plan 1 Year7 Days trial$11.991 Year
Questions
Is オンデバイス文字起こし free?
Is SoloWatermark free?
Do オンデバイス文字起こし or SoloWatermark have ads?
Which is updated more often, オンデバイス文字起こし or SoloWatermark?
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