Comparison

Authenticator vs STP Viewer

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

Head to head
About

Authenticator

This app generates one-time passwords (OTPs) to add an extra layer of security to your online accounts. It supports time-based OTPs for various popular services and offers quick setup via QR code scanning. Designed for privacy and security, it helps protect your data from unauthorized access.

Highlights
  • Generates secure TOTP codes
  • Supports major platforms and services
  • Quick setup with QR code scanning
  • Offline code generation
  • Clean and simple interface
  • Privacy and security focused
Features
Read full description

Secure your online accounts with Authenticator: MFA Auth & TOTP, a fast and reliable app for generating one-time passwords (OTPs) and enabling multi-factor authentication (MFA). Authenticator helps protect your accounts by adding an extra layer of security beyond passwords. It supports time-based one-time passwords (TOTP) used by thousands of popular services, including social media, email, cloud platforms, and more. Key Features * Generate secure TOTP codes for MFA and 2FA * Works with major platforms and services * Quick setup using QR code scanning * Offline code generation * Clean, simple, and easy-to-use interface * Designed with privacy and security in mind Why Use Authenticator Passwords alone are no longer enough. Authenticator provides an additional verification step that helps keep your personal data safe from unauthorized access. Take control of your account security with Authenticator: MFA Auth & TOTP — simple, secure, and dependable. Subscription Information: - Payment. Charges apply to your iTunes Account at purchase confirmation. - Auto-Renewal. Subscriptions renew automatically unless canceled at least 24 hours before the current period ends. - Renewal Charges. Your account will be charged for renewal within 24 hours prior to the end of the current period, based on the selected plan. - Manage Your Subscription. Go to your Account Settings after purchase to handle auto-renewal and other preferences. Privacy Policy: https://telegra.ph/Privacy-Policy--2FA-Authenticator-12-16 Terms Of Use: https://telegra.ph/Terms-of-Use--2FA-Authenticator-12-16

About

STP Viewer

This application allows users to open and view large, complex 3D CAD files on their mobile devices. It supports standard STEP and STP file formats, offering smooth navigation and offline accessibility for professionals and enthusiasts alike.

Highlights
  • Open STP and STEP files
  • Fluid 3D navigation (orbit, pan, zoom)
  • Instant file loading from various sources
  • View complex assemblies
  • Offline accessibility
  • Battery and RAM efficient
  • Supports files from major CAD software
Features
Read full description

With our advanced 3D rendering engine, you can open large and complex computer-aided design (CAD) files seamlessly. The app acts as an all-in-one CAD file reader, allowing you to access critical data whenever and wherever you need it. ### Why Choose This STP & STEP Viewer? Google and web searches often show that finding a lightweight mobile tool to view STEP files can be challenging. Our app solves this by focusing purely on speed, rendering accuracy, and an intuitive user interface. It works flawlessly as both an STP viewer and a STEP viewer, ensuring compatibility with standard ISO 10303 files exported from any modern CAD ecosystem. ### Key Technical Features: • Comprehensive STP & STEP Support: Fully optimized to read and render both .stp and .step file extensions. • Fluid 3D Navigation: Experience smooth orbiting, panning, and pinch-to-zoom gestures even with high-polygon assemblies. • Instant File Loading: Open CAD models directly from your iOS Files app, iCloud Drive, email attachments (Gmail, Outlook), or communication tools like Slack and WhatsApp. • Structural Integrity: View complex mechanical assemblies and nested components with high visual fidelity. • Offline Accessibility: Fully functional without an active internet connection. Perfect for secure facilities, remote fields, or offline workshops. • Battery & RAM Efficient: Engineered using modern mobile graphics frameworks to prevent overheating and excessive battery drain. ### Cross-Platform Ecosystem Compatibility: This mobile 3D viewer supports files generated from all major CAD software suites. If your workflow involves files exported from any of the following platforms, our app is your ideal mobile companion: • SolidWorks & Autodesk Fusion 360 • AutoCAD & Autodesk Inventor • CATIA & PTC Creo • Rhino 3D & Siemens NX • TurboCAD, FreeCAD, and more. ### Tailored for Engineering Professionals: • Mechanical & Aerospace Engineers: Quickly review part tolerances and geometry during team alignment meetings. • CNC Programmers & Machinists: Verify 3D model structures directly next to the machine without running back to a computer. • Sales & Project Managers: Showcase highly detailed interactive 3D prototypes to clients during sales pitches and presentations. • 3D Printing Enthusiasts: Check standard CAD exports before sending them to slicing software. ### Flexible Premium Plans: Gain unlimited access to advanced viewing features, large file processing, and a completely ad-free workspace. Choose the subscription model that aligns with your professional workflow: • Weekly Plan: Ideal for short-term design reviews, sudden project deadlines, or quick freelance jobs. • Monthly Plan: Great for ongoing manufacturing sprints, contract work, and mid-term engineering projects. • Yearly Plan: Our best-value option providing year-round, uninterrupted access for dedicated CAD professionals and engineering teams. Privacy Policy: https://sites.google.com/view/stepviewerpolicy/home Terms of Service: https://sites.google.com/view/stp-viewer-appterms/home

Screenshots

Authenticator4 screens
STP Viewer4 screens

Verdict

The call

The clearest difference is rating: Authenticator at 5.0 against STP Viewer's 3.0. Authenticator also leads on ratings volume (3 vs 1). STP Viewer's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and monetization model 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. Authenticator sells 3 in-app purchases, starting at $6.99 per 7 days and STP Viewer sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Authenticator holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Scorecard4 real differences · 5 level
Authenticator versus STP Viewer: the parameters behind the verdict, then further details
ParameterAuthenticatorSTP Viewer
PriceFreeFree
Rating5.0 (3 ratings) — better3.0 (1 ratings)
Number of ratings3 — better1
Update frequencyEvery 5 weeks—
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.013.0 — better
Further details — not scored
Size38 MB44 MB
Age rating17+4+
DeveloperDitlev CarlsenCODIGITAL SOLUTIONS

In-app purchases

3 purchases

Authenticator

Subscriptions3
  • Weekly3 Days trial$6.997 Days
  • Monthly$19.991 Month
  • Yearly$49.991 Year
3 purchases

STP Viewer

Subscriptions3
  • Pro Access$1.997 Days
  • Pro Access$4.991 Month
  • Pro Access$9.991 Year

Questions

Is Authenticator free?
Authenticator is free to download, with in-app purchases available.
Is STP Viewer free?
STP Viewer is free to download, with in-app purchases available.
Which has better reviews, Authenticator or STP Viewer?
Authenticator is rated higher. Authenticator averages 5.0 out of 5 from 3 ratings, while STP Viewer averages 3.0 from 1 ratings.
Do Authenticator or STP Viewer have ads?
Neither Authenticator nor STP Viewer shows ads.

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