PDFin PDF Edit Convert PDF PNG vs tomTrace
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDFin PDF Edit Convert PDF PNG
Easily add digital signatures and e-signatures to your PDF documents. This app allows you to scan and import signatures, convert images to PDF, and offers tools for file size reduction and combining documents.
- Digital signature insertion
- E-signature scanning and import
- Convert PNG, JPEG, JPG to PDF
- PDF compression and DPI adjustment
- Combine multiple files into one PDF
- Camera scanning to PDF
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Digital Signature Add a Digital Signature to PDF by p12, etc format file Add a Digital Signature to the PDF by My Number Card (Japanese ID card, supports iPhone, does not support iPad) E-Sign (Scan and add Signature, Stamp) Scan a signature or stamp as a transparent background Set signature or stamp color, angle Make a stamp or signature with a transparent background Make a Japanese Seal with a transparent background Add Signature and stamp to PDF Export as PDF or PNG Tools Set PDF DPI, reduce file size Convert PNG, JPEG, and JPG to PDF file Combine multiple files into one PDF Scan to PDF by camera Eula https://github.com/SealSho/app/blob/main/eula.md
tomTrace
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tomTrace は、紙の書類をすばやく画像化できるシンプルな文書スキャナーです。 カメラ撮影または画像読込に対応し、必要な範囲を四隅で調整して切り出せます。 傾きや余白も手動で整えたうえで、補正なし・色くっきり・カラー文書・白黒から仕上がりを選べます。 保存形式は JPEG / PNG に対応しています。 保存先は「写真」または「Files」から選択できます。 主な機能 カメラ撮影 画像から読込 四隅・辺ハンドルによる範囲調整 文書向け画像補正 JPEG / PNG 書き出し 写真保存 / Files 保存 こんな用途におすすめ 講義資料の整理 研究メモの保存 紙の配布物の画像化 手書きメモの記録 ご注意 書類を撮影して取り込むためにカメラを使用します。 画像を読み込んで書類を補正するために写真ライブラリを使用します。 補正後の画像を写真ライブラリに保存するために使用します。
Screenshots
Verdict
The clearest difference is in-app purchases: tomTrace at none against PDFin PDF Edit Convert PDF PNG's 4. tomTrace also leads on update cadence (every 3 days vs every 2 weeks). PDFin PDF Edit Convert PDF PNG's advantage is device support (4 vs 1). On price, ads 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. PDFin PDF Edit Convert PDF PNG sells 4 in-app purchases, starting at $0.49 per month. tomTrace asks for nothing beyond the download.
PDFin PDF Edit Convert PDF PNG ships an update every 2 weeks, tomTrace every 3 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | PDFin PDF Edit Convert PDF PNG | tomTrace |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 60.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone |
| Requires iOS | 15.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 40 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | 玺 章 | Taro Tomura |
In-app purchases
PDFin PDF Edit Convert PDF PNG
- Pro Monthly$0.491 Month
- Pro Yearly$1.991 Year
- Gold 3months$9.993 Months
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- Gold yearly$34.991 Year
tomTrace
No in-app purchases
Questions
Is PDFin PDF Edit Convert PDF PNG free?
Is tomTrace free?
Do PDFin PDF Edit Convert PDF PNG or tomTrace have ads?
Which is updated more often, PDFin PDF Edit Convert PDF PNG or tomTrace?
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