Comparison

Cam To PDF vs STEP Viewer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Cam To PDF

Features
Read full description

CamToPDF is a simple yet powerful document scanner that turns your device into a portable scanner. Quickly capture documents, receipts, notes, or any paper and convert them into professional-quality PDFs. Key Features: • Scan multiple pages into a single PDF document • Import images from your photo library • Organized document management • Share PDFs via email, messages, or any app • Clean, intuitive interface designed for all iOS devices • Print documents directly from the app • No account required - everything stays on your device • No ads or in-app purchases Perfect for students, professionals, or anyone who needs to digitize paper documents. CamToPDF respects your privacy - all scanning happens on your device and documents are stored locally without being uploaded to any server. Turn your iPhone or iPad into a powerful document scanner and organize your important papers today!

About

STEP Viewer

View and interact with 3D CAD files directly on your mobile device. Measure dimensions, rotate, zoom, and save models in a common format without needing desktop software.

Highlights
  • Open STEP files from file manager
  • 3D model measurement tools
  • Six fixed views
  • Pinch to zoom, pan, and rotate
  • Save as GLB
  • Progress indicator for large files
  • Multilingual support
Features
Read full description

STEP Viewer opens STEP (.step, .stp) CAD files in 3D on your phone. No desktop CAD software needed. Everything is free. There are no in-app purchases. Credits only skip the ad; without credits you can still open every file after watching a short ad. Key features * Open .step and .stp files straight from your file manager - just tap the file * Measure your model: a bounding box with all three side lengths, in mm or m * Six fixed views (front, right, back, left, top, bottom), plus pinch to zoom, pan and rotate * Save the converted model as GLB whenever you need it * Large files show the estimated time and memory before conversion starts, and progress while it runs * If a file cannot be opened, the app tells you why instead of failing silently * Available in 12 languages, following your device settings Supported formats * Input: .stp, .step (STEP AP203, AP214) * Output: .glb (glTF Binary) How to use 1. Tap a .step file in your file manager, or open the app and tap the folder icon 2. Wait for the conversion - large files show progress and an estimate 3. Drag to rotate, pinch to zoom, tap the view button to switch sides License This app uses Open CASCADE Technology (LGPL-2.1). https://www.opencascade.com For questions or bug reports, please contact us by email.

Screenshots

Cam To PDF4 screens
STEP Viewer4 screens

Verdict

The call

The clearest difference is price: STEP Viewer at Free against Cam To PDF's $0.99. On update cadence, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

STEP Viewer is free to download; Cam To PDF costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Cam To PDF ships an update every 10 days, STEP Viewer every 5 days. Both last shipped on October 30, 2026.

Scorecard1 real difference · 8 level
Cam To PDF versus STEP Viewer: the parameters behind the verdict, then further details
ParameterCam To PDFSTEP Viewer
Price$0.99Free — better
Rating—1.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 10 daysEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.013.0 — better
Further details — not scored
Size2 MB61 MB
Age rating4+4+
DeveloperAbdussamet KOCAOGLANSmart Cube Labs Co., Ltd.

In-app purchases

None

Cam To PDF

No in-app purchases

None

STEP Viewer

No in-app purchases

Questions

Is Cam To PDF free?
Cam To PDF costs $0.99, with no in-app purchases.
Is STEP Viewer free?
STEP Viewer is free to download, with no in-app purchases.
Do Cam To PDF or STEP Viewer have ads?
Neither Cam To PDF nor STEP Viewer shows ads.
Which is updated more often, Cam To PDF or STEP Viewer?
Cam To PDF ships an update every 10 days, and STEP Viewer every 5 days. Most recently, Cam To PDF was updated on October 30, 2026 and STEP Viewer on October 30, 2026.

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