Comparison

Machine Manager vs STEP Viewer

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

Head to head
About

Machine Manager

Features
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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.

About

STEP Viewer

Features
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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

Machine Manager4 screens
STEP Viewer4 screens

Verdict

The call

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Machine Manager ships an update every 6 weeks, STEP Viewer every 5 days. Both last shipped on September 17, 2026.

Scorecard2 real differences ยท 4 level
Machine Manager versus STEP Viewer: the parameters behind the verdict, then further details
ParameterMachine ManagerSTEP Viewer
PriceFreeFree
Update frequencyEvery 6 weeksEvery 5 days โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 โ€” better
Further details โ€” not scored
Size14 MB61 MB
Age rating4+4+
DeveloperNejc SilcSmart Cube Labs Co., Ltd.

In-app purchases

None

Machine Manager

No in-app purchases

None

STEP Viewer

No in-app purchases

Questions

Is Machine Manager free?
Machine Manager is free to download, with no in-app purchases.
Is STEP Viewer free?
STEP Viewer is free to download, with no in-app purchases.
Do Machine Manager or STEP Viewer have ads?
Neither Machine Manager nor STEP Viewer shows ads.
Which is updated more often, Machine Manager or STEP Viewer?
Machine Manager ships an update every 6 weeks, and STEP Viewer every 5 days. Most recently, Machine Manager was updated on September 17, 2026 and STEP Viewer on September 17, 2026.

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