Comparison

STEP File Viewer vs Coupon Distributor

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

Head to head
About

STEP File Viewer

View and interact with 3D CAD files like STEP and IGES. Inspect internal geometry, measure dimensions, and export models in various formats. Ideal for engineers, designers, and students needing to visualize complex designs without expensive software.

Highlights
  • 3D model viewing with pan, zoom, and rotate
  • Solid, shaded, and wireframe display modes
  • Measure dimensions and features
  • Section planes for internal geometry inspection
  • Export models to STL, OBJ, glTF, and more
  • Supports assembly data and PMI annotations
Features
Read full description

STEP File Viewer is a lightweight yet powerful tool for viewing .step and .stp files on macOS, iPad, and iPhone. Key Features • View STEP models in 3D with rotate, pan, and zoom controls using perspective projection. • Display 3D models in solid, shaded, or wireframe modes. • Load and view IGES/IGS models. • Supports assembly-level colors and exploded views (requires the model to include assembly data). • Parse and load STEP models as assemblies • Support PMI annotations, dimension details, and model information panels in AP242 models for easier design review. • Measure auto-detected hole features, bounding box dimensions, point-to-point distances, diameter/radius, and angles to verify key dimensions more quickly. • Pin review notes on the model to record issues, jump back to each note’s viewpoint, and export a review report as PDF with screenshots. • Apply axis-aligned section planes (XY, XZ, YZ) to reveal the model’s internal geometry. • Explode model components to inspect the parts clearly in expanded space, with the ability to export selected parts as separate files. • Export 3D models in STL, OBJ, glTF, GLB, or USDZ formats for further use or sharing. • Capture high-quality viewport screenshots for easy sharing. • No ads. No tracking. No data collection. Just a clean, efficient tool built for productivity. The STEP format (ISO 10303) is widely supported by 3D CAD, CAM, CAE, and PLM applications. Recommended For: • Engineers & Designers: Review designs on the shop floor or during client meetings. • Machinists & CNC Operators: Quickly verify part geometry before production. • 3D Printing Enthusiasts: Easily convert professional STEP files to STL for slicing. • Students & Educators: Visualize complex structures without expensive CAD licenses. Pricing & Access • Free: Load and view unlimited STEP models. • Subscription: Unlimited access to all features. A single subscription covers macOS, iPhone, and iPad. • Individual Unlocks: Get exactly what you need with one-time purchases for specific features—no subscription required. • Payment is charged to your App Store account. • Auto-renews unless turned off at least 24 hours before the current period ends. • Manage your subscriptions in the App Store settings. Privacy & Purchase Terms • Privacy Policy: https://apps.h53d.xyz/apps/step-file-viewer/policy.html • Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Have questions or need support? Reach out to danjian42@gmail.com.

About

Coupon Distributor

Manage and distribute App Store promotional codes for your iOS apps. Organize codes, track their status, and share them easily via messages or email. Keep all your distribution data private and local.

Highlights
  • Organize promo codes by app
  • Create custom promotional offers
  • Import codes via CSV
  • Track code status (Available, Shared, Used)
  • Distribute codes via Messages, Email, AirDrop
  • Record recipient names
  • Local data storage for privacy
Features
Read full description

Effortlessly manage and distribute your App Store promotional codes with Coupon Distributor — the essential tool for iOS developers and app marketers. ■ Organize Your Promo Codes • Add multiple apps using their App Store ID • Create custom promotional offers for each app • Import codes in bulk via Apple's CSV format • Track status: Available, Shared, or Used ■ Distribute With Ease • Share single codes via Messages, Email, or AirDrop • Bulk share multiple codes as formatted text files • Record recipient names for every shared code • Copy codes or redemption URLs with one tap ■ Track Everything • Dashboard shows real-time statistics • Filter coupons by status • Search by code or recipient name • Know exactly who received which code ■ Designed For Privacy • All data stored locally on your device • No account required • No cloud sync needed Perfect for app launches, press releases, beta testing, influencer outreach, and promotional campaigns. Stop losing track of your promo codes — start distributing smarter. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

STEP File Viewer4 screens
Coupon Distributor4 screens

Verdict

The call

The clearest difference is rating: Coupon Distributor at 5.0 against STEP File Viewer's 3.2. Coupon Distributor also leads on review sentiment (100% vs 63%). STEP File Viewer's advantage is ratings volume (6 vs 2) and iOS requirement (16.0 vs 18.0). On price, update cadence, ads and in-app purchases 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. STEP File Viewer sells 12 in-app purchases, starting at $1.99 per 7 days and Coupon Distributor sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Coupon Distributor holds the better App Store score, 5.0 against 3.2. Both are backed by a comparable volume of ratings — 6 and 2 respectively. Written reviews point the same way: 63% of STEP File Viewer's written reviews are positive against 100% of Coupon Distributor's.

UpkeepUpdate frequency

STEP File Viewer ships an update fortnightly, Coupon Distributor weekly. The most recent releases landed on October 30, 2026 and October 14, 2026 respectively.

Scorecard4 real differences · 6 level
STEP File Viewer versus Coupon Distributor: the parameters behind the verdict, then further details
ParameterSTEP File ViewerCoupon Distributor
PriceFreeFree
Rating3.2 (6 ratings)5.0 (2 ratings) — better
Positive reviews62.5% of reviews100.0% of reviews — better
Number of ratings6 — better2
Update frequencyFortnightlyWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS16.0 — better18.0
Further details — not scored
Size33 MB14 MB
Age rating4+4+
Developer维 艾renwei han

Customer experience

STEP File Viewer

All ratings6 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews8 reviews
Positive62.5%
Neutral12.5%
Negative25.0%

Coupon Distributor

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

12 purchases

STEP File Viewer

Subscriptions3
  • Pro Flex3 Days trial$1.997 Days
  • Pro Light$4.991 Month
  • Pro Infinity$19.991 Year
One-time9
  • Export as USDZ$1.99
  • Export as PNG$2.99
  • Export as OBJ$3.99
Show 6 more
  • Export as STL$3.99
  • IGES/STEP Model Import$3.99
  • Projection view generation & export$4.99
  • Cross Section View$4.99
  • Exploded View$4.99
  • Export all formats$15.99
3 purchases

Coupon Distributor

Subscriptions2
  • Monthly Pass$0.991 Month
  • Yearly Pass$2.991 Year
One-time1
  • Lifetime Pass$3.99

Questions

Is STEP File Viewer free?
STEP File Viewer is free to download, with in-app purchases available.
Is Coupon Distributor free?
Coupon Distributor is free to download, with in-app purchases available.
Which has better reviews, STEP File Viewer or Coupon Distributor?
Coupon Distributor is rated higher. STEP File Viewer averages 3.2 out of 5 from 6 ratings, while Coupon Distributor averages 5.0 from 2 ratings.
Do STEP File Viewer or Coupon Distributor have ads?
Neither STEP File Viewer nor Coupon Distributor shows ads.
Which is updated more often, STEP File Viewer or Coupon Distributor?
STEP File Viewer ships an update fortnightly, and Coupon Distributor weekly. Most recently, STEP File Viewer was updated on October 30, 2026 and Coupon Distributor on October 14, 2026.

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