STEP Viewer vs Innguma App
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
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.
Innguma App
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Innguma is a modular software that allows creating intelligence in your business by monitoring the competitive environment. The application gives you access to your Innguma account from your mobile device.
Screenshots
Verdict
The clearest difference is update cadence: STEP Viewer at every 5 days against Innguma App's fortnightly. 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.
STEP Viewer ships an update every 5 days, Innguma App fortnightly. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.
| Parameter | STEP Viewer | Innguma App |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days โ better | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 โ better | 14.0 |
| Further details โ not scored | ||
| Size | 61 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Smart Cube Labs Co., Ltd. | Innguma Technologies S.L.U |
In-app purchases
STEP Viewer
No in-app purchases
Innguma App
No in-app purchases
Questions
Is STEP Viewer free?
Is Innguma App free?
Do STEP Viewer or Innguma App have ads?
Which is updated more often, STEP Viewer or Innguma App?
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