Comparison

Flat Pattern Pro vs RedX Stairs

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

Head to head
About

Flat Pattern Pro

This app provides a comprehensive tool for calculating and developing fabrication layouts for a wide range of shapes. It helps minimize fabrication time and increase accuracy by offering user-friendly tools for complex designs.

Highlights
  • Fabrication layout development
  • Supports numerous shapes (pipes, cones, pyramids, spheres)
  • Minimizes fabrication time
  • Increases accuracy
  • Offline functionality
  • Ad-free experience
Features
Read full description

It is very helpful for developing fabrication layout of all types of shapes generally used in fabrication. it is minimize fabrication time, increased accuracy. Flat Pattern Calculator is Tool for All Types of Widely used fabrication shapes Such as Pipe, Truncated Pipes, Pipe Branch Connections, Pipe to Cone Intersections, Cone, Truncated Cone, Eccentric Cone, Tori Cone, Multi-Level Cone, Square to Round, Rectangular to Round, Round to Square, Round to Rectangular, Pyramid, Truncated Pyramids, Sphere, Dish ends, Miter bend, Fabricated Bend, Cut Bend, Screw Flight etc. App Features: 1. No Internet required 2. No irritating Ads 3. High Performance 4. Fabrication Layout Marking Friendly 5. Easy to Use. In this App Following Fabrication Flat Patterns Options are available : Pipe Layout or Shell Layout or Pipe Flat Pattern. Truncated Pipe Layout or Pipe cut at any angle Flat Pattern. Truncated Pipe at Both end layout or Pipe cut by an angle on both side Flat Pattern. Pipe to Pipe Intersection with equal Diameters or Pipe Branch connection Flat Pattern. Pipe to Pipe Intersection with unequal diameters or Pipe Branch Connection Flat Pattern. Pipe to Pipe Intersection with offset diameters or Pipe Branch Connection Flat Pattern. Pipe to Cone intersection at Perpendicular to Axis Flat Pattern. Pipe to Cone Inter Section at Parallel to Axis Flat Pattern. Pipe Truncated by Radius Flat Pattern. Full Cone Layout Flat Pattern. Truncated or Half Cone Layout Flat Pattern. Multi Level Cone Layout Flat Pattern. Eccentric Cone Layout Flat Pattern. Multilevel eccentric cone layouts Flat Pattern. Tori cone with Knuckle radius at large end Flat Pattern. Tori cone with Knuckle radius at both ends Flat Pattern. Rectangle to Round or Square to Round Transition layout Flat Pattern. Round to Rectangle or Round to Square transition layout Flat Pattern. Pyramid layout Flat Pattern. Truncated Pyramid Layout Flat Pattern. Sphere Petal Layouts Flat Pattern. Dish End Petal Layouts Flat Pattern. Miter Bend Layout Flat Pattern. Screw Flight Layout Flat Pattern. In this application cone,shell,pipe,pipe branch connections, full cone, half cone, truncated cone, square to round, round to square, rectangular to round, Round to rectangular, pyramid, truncated pyramid, cone to pipe branch, spheres, dish ends etc. it is useful for those who are working in Pressure vessels fabrication, process equipment fabrication, welding, Piping, Insulation, Ducting, heavy Equipment fabrication, Storage tank, Agitators, Mechanical equipment, structures, industrial fabrication, heat ex changers etc. it is best tool for production engineers, fabrication engineer, planning engineers, costing and estimating engineers, project engineers, fabrication contractor, fabrication supervisors, fabrication fitters, fabrication worker.

About

RedX Stairs

This app simplifies complex stair calculations and designs with advanced 3D visualization. It offers a comprehensive suite of calculators for various stair types, supporting multiple measurement units and providing detailed, to-scale plans for professionals and DIYers.

Highlights
  • Advanced 3D stair visualization
  • Comprehensive stair calculators
  • To-scale stair plans with precise measurements
  • Support for CM, MM, Feet, and Inches
  • Project saving and sharing options
  • Specialized tools for spiral and winder stairs
Features
Read full description

Discover the next level of stair construction with the RedX Stair App, now fully enhanced with stunning 3D capabilities. This app is your essential companion for efficient and precise stair measurement and visualization. Featuring a wide selection of calculators for every type of stair configuration including Straight Stairs , L-Shaped Stairs, U-Shaped Stairs, Spiral Stairs, Winder Stairs, Corner Deck Stairs and more, it effortlessly simplifies the most complex stair calculations. Whether you're working in CM, MM, Feet, or Inches, this app ensures versatile and accurate measurements for professionals and DIY enthusiasts alike. Key Upgrades and Features: Advanced 3D visualization for all stair types, offering a dynamic and immersive design experience Comprehensive suite of calculators for Straight, L, U, Spiral Stairs, Winders, and more, accommodating any project requirement Interactive, to-scale stair plans with precise measurements, enhancing design accuracy and efficiency Multifaceted measurement support in CM, MM, Feet, and Inches for global applicability Efficient project management options: Print, Share, Save to Photos, or Store designs in-app for future reference Detailed plans and measurements for common stair builds, including stringer details for unparalleled clarity Specialized tools for designing Spiral, Curved, and Winder stairs with customizable specifications Exclusive Features for Enhanced Design: Enter key details like Total Rise, Stringer, and Tread information to instantly generate detailed, to-scale stair plans Customize your stair designs with adjustable Stair Angles, Step Numbers, and more for perfect fit and function For Spiral and Curved Stairs, specify Total Rise, Rotation, and Radius to receive plans with Inner and Outer Stringer measurements Unique Winder Stairs feature for detailed planning of each tread, ensuring precise execution of complex designs Specialized calculators for Hip Stringers and Stairs with Landings, offering comprehensive design solutions The RedX Stair App is the ultimate tool for transforming your stair design process with the power of 3D visualization. Download now to experience unparalleled precision and creativity in stair design. Stay ahead with continuous updates and new features, elevating your design capabilities to new heights. ---------- Terms Of Use https://www.redxapps.com/terms-of-service In-app purchases available for premium features. Subscription options include a monthly or yearly Stairs App Pro Subscription, with payment charged to your iTunes account and easy management of auto-renewal settings in the App Store. Pricing details and subscription terms available within the app.

Screenshots

Flat Pattern Pro4 screens
RedX Stairs4 screens

Verdict

The call

The clearest difference is price: RedX Stairs at Free against Flat Pattern Pro's $9.99. RedX Stairs also leads on update cadence (every 2 weeks vs every 42 months) and review sentiment (26% vs 0%). Flat Pattern Pro's advantage is in-app purchases (none vs 8). On ads, device support and iOS requirement 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

RedX Stairs is free to download; Flat Pattern Pro costs $9.99 up front. RedX Stairs sells 7 in-app purchases, starting at $6.99 per month. Flat Pattern Pro asks for nothing beyond the download.

UpkeepUpdate frequency

Flat Pattern Pro ships an update every 42 months, RedX Stairs every 2 weeks. Both last shipped on October 25, 2026.

Scorecard5 real differences · 5 level
Flat Pattern Pro versus RedX Stairs: the parameters behind the verdict, then further details
ParameterFlat Pattern ProRedX Stairs
Price$9.99Free — better
Rating—4.5 (422 ratings) — better
Positive reviews0.0% of reviews25.9% of reviews — better
Number of ratings—422 — better
Update frequencyEvery 42 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.115.6 — better
Further details — not scored
Size2 MB174 MB
Age rating4+4+
DeveloperImran PinjaraRedX Technology Inc

Customer experience

Flat Pattern Pro

Written reviews3 reviews
Positive0.0%
Neutral66.7%
Negative33.3%

RedX Stairs

All ratings407 ratings
Positive87.0%
Neutral2.7%
Negative10.3%
Written reviews27 reviews
Positive25.9%
Neutral3.7%
Negative70.4%

Bugs and requests

Flat Pattern Pro

Not enough reviews yet to summarise bugs or requests.

RedX Stairs

Reported bugs

3 issues
  • App gets stuck on opening screen
  • App repeatedly redirects to subscription page
  • Lost work after canceling subscription

Requested features

3 requests
  • Support for spiral staircases
  • Include stairs app in bundle
  • More features in paid version

In-app purchases

None

Flat Pattern Pro

No in-app purchases

7 purchases

RedX Stairs

Subscriptions7
  • RedX Stairs Monthly$6.991 Month
  • RedX Apps Pro++$9.991 Month
  • RedX Stairs Premium7 Days trial$59.991 Year
Show 4 more
  • RedX Apps Pro++$59.991 Year
  • RedX Stairs Pro7 Days trial$69.991 Year
  • RedX Apps Bundle7 Days trial$99.991 Year
  • RedX Apps Bundle1 Year trial2 variants$179.991 Year

Questions

Is Flat Pattern Pro free?
Flat Pattern Pro costs $9.99, with no in-app purchases.
Is RedX Stairs free?
RedX Stairs is free to download, with in-app purchases available.
Do Flat Pattern Pro or RedX Stairs have ads?
Neither Flat Pattern Pro nor RedX Stairs shows ads.
Which is updated more often, Flat Pattern Pro or RedX Stairs?
Flat Pattern Pro ships an update every 42 months, and RedX Stairs every 2 weeks. Most recently, Flat Pattern Pro was updated on October 25, 2026 and RedX Stairs on October 25, 2026.

Other comparisons