Machine Manager vs STEP Viewer
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Machine Manager
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This is only companion app to web platform for managing machine services. The greatest advantage of mobile version is to capture work reports and managing current tasks. Therefore you will need to create account on web platform to make something meaningful.
STEP Viewer
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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
Verdict
The clearest difference is update cadence: STEP Viewer at every 5 days against Machine Manager's every 6 weeks. STEP Viewer also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Machine Manager ships an update every 6 weeks, STEP Viewer every 5 days. Both last shipped on September 17, 2026.
| Parameter | Machine Manager | STEP Viewer |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Every 5 days โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 โ better |
| Further details โ not scored | ||
| Size | 14 MB | 61 MB |
| Age rating | 4+ | 4+ |
| Developer | Nejc Silc | Smart Cube Labs Co., Ltd. |
In-app purchases
Machine Manager
No in-app purchases
STEP Viewer
No in-app purchases
Questions
Is Machine Manager free?
Is STEP Viewer free?
Do Machine Manager or STEP Viewer have ads?
Which is updated more often, Machine Manager or STEP Viewer?
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