Comparison

AlcoInstaller 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

AlcoInstaller

Features
Read full description

We will sell, rent and install our Ignition Interlock Devices for all vehicles. This application is used by A200 device installers to store the driver, vehicle and device information by scanning the QR/Bar codes to maintain the records. This app can be used by the person/group/company who owns our products. The user can obtain the account by purchasing the A200 product. This app is free to use.

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

AlcoInstaller4 screens
STEP Viewer4 screens

Verdict

The call

The clearest difference is update cadence: STEP Viewer at every 5 days against AlcoInstaller's monthly. On price, 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

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

UpkeepUpdate frequency

AlcoInstaller ships an update monthly, STEP Viewer every 5 days. The most recent releases landed on October 4, 2026 and October 24, 2026 respectively.

Scorecard1 real difference · 7 level
AlcoInstaller versus STEP Viewer: the parameters behind the verdict, then further details
ParameterAlcoInstallerSTEP Viewer
PriceFreeFree
Rating—1.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyMonthlyEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.413.0 — better
Further details — not scored
Size63 MB61 MB
Age rating4+4+
DeveloperRamachandra palyamSmart Cube Labs Co., Ltd.

In-app purchases

None

AlcoInstaller

No in-app purchases

None

STEP Viewer

No in-app purchases

Questions

Is AlcoInstaller free?
AlcoInstaller 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 AlcoInstaller or STEP Viewer have ads?
Neither AlcoInstaller nor STEP Viewer shows ads.
Which is updated more often, AlcoInstaller or STEP Viewer?
AlcoInstaller ships an update monthly, and STEP Viewer every 5 days. Most recently, AlcoInstaller was updated on October 4, 2026 and STEP Viewer on October 24, 2026.

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