PDF Editor vs RoomTrace 3D
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDF Editor
Easily scan paper documents, merge PDFs, and organize your files offline on iPhone and iPad. Convert various file types to PDF, annotate documents, and add signatures. Keep your paperwork tidy with nested folders and iCloud sync.
- Scan documents to PDF
- Merge and split PDFs
- Convert Office files to PDF
- Annotate and sign documents
- Organize files with folders
- iCloud sync
- Local network transfer
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Scan paper documents, merge PDFs and organize everyday paperwork on iPhone and iPad. One-time purchase. No subscriptions, in-app purchases or ads. SCAN AND CONVERT • Scan paper documents with your camera and turn photos into PDFs. • Create PDFs from plain text and Markdown. • Convert supported Word, Excel and PowerPoint files to PDF on your device. MERGE, SPLIT AND ORGANIZE • Combine multiple PDFs into one document. • Split a PDF while keeping the original. • Reorder pages with previews and delete pages you do not need. • Import from Files or compatible apps, then rename and share your PDFs. READ, ANNOTATE AND SIGN • Highlight and underline selectable text, add comments and manage supported annotations. • Draw a handwritten signature or reuse a signature saved on this device. • Insert images and image-based stamps; preview stamp background removal and save templates for reuse. • Position and resize signatures, images and stamps before saving. Image stamps are not certificate-based digital signatures. KEEP DOCUMENTS ORGANIZED • Create nested folders and move multiple PDFs at once. • Sync PDFs and folders with iCloud. Sync is on by default when iCloud is available and can be turned off in Settings. Saved signature and stamp templates stay on this device. • When you enable local network transfer, use a computer browser on the same network to upload, download and manage supported files. PROCESS ON YOUR DEVICE Scanning and file conversion happen on your device. Source files are not uploaded for conversion. PDFs in your library follow your iCloud sync setting; sharing and local network transfer happen when you choose to use them. No separate app account is required.
RoomTrace 3D
Transform your real-world rooms into explorable 3D spaces with simple room scanning. This app identifies walls, doors, windows, and furniture, allowing you to view, rotate, and export your creations in various formats. It prioritizes user privacy with on-device processing and no tracking.
- Simple room scanning with on-screen prompts
- Automatic identification of walls, doors, windows, and furniture
- 3D viewing with rotation and zoom
- On-device processing for privacy
- Export to USDZ and OBJ formats
- No account, ads, or tracking
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Turn a real room into a 3D space you can inspect, save, and share by following simple on-screen guidance. RoomTrace 3D is designed for people who want an easier way to scan indoor spaces. There are no complex settings to learn. Turn on the lights, walk slowly around the room, and follow prompts for distance, movement speed, and lighting while the app recognizes walls, openings, and common furniture. GUIDED SCANNING • A short three-step preparation guide • Live prompts for distance, speed, and lighting • Visible counts for recognized walls and objects 3D VIEWING • Rotate and zoom the space as soon as scanning finishes • Review walls, doors, windows, and recognized objects • Keep recent scans saved locally on your device FLEXIBLE EXPORT • Export USDZ for Apple devices and AR viewing • Export an OBJ material package for tools such as Blender and CAD • Save or send files through the system share sheet PRIVACY FIRST Scanning and 3D processing happen on your device. No account, no advertising, no tracking, and no personal data collection. Requires a LiDAR-equipped iPhone or iPad running iOS 17 or later. Mirrors, glass, and very dark glossy surfaces can reduce scan accuracy.
Screenshots
Verdict
The clearest difference is rating: RoomTrace 3D at 5.0 against PDF Editor's 4.0. PDF Editor's advantage is ratings volume (8 vs 1) and price ($0.99 vs $2.99). On review sentiment, ads, in-app purchases and monetization model 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
PDF Editor costs $0.99 and RoomTrace 3D $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
RoomTrace 3D holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: PDF Editor has 8 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.
| Parameter | PDF Editor | RoomTrace 3D |
|---|---|---|
| Price | $0.99 — better | $2.99 |
| Rating | 4.0 (8 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 8 — better | 1 |
| Update frequency | Every 10 days | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 218 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | 大鹏 张 | 鑫 宋 |
Customer experience
PDF Editor
RoomTrace 3D
In-app purchases
PDF Editor
No in-app purchases
RoomTrace 3D
No in-app purchases
Questions
Is PDF Editor free?
Is RoomTrace 3D free?
Which has better reviews, PDF Editor or RoomTrace 3D?
Do PDF Editor or RoomTrace 3D have ads?
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