Surface Area Calculator + Cost vs Flat Pattern & Bend Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Surface Area Calculator + Cost
Calculate the surface area of various 3D geometric shapes and get an estimated cost for materials. Supports multiple units for calculations and results.
- Surface area calculation for 11 shapes
- Material cost estimation
- Multiple unit support
- Results in various units
- Subscription for unlimited access
Read full descriptionHide full description
Our app helps you to calculate the surface area of several common shapes. This tool also provides a cost of materials estimate. We offer a diverse set of units suitable for almost every country. The results of each calculation are also expressed in many units of different area. We support you with a variety of different types: - Cone - Cube - Sphere - Pyramid - Cylinder - Octahedron - Rectangular - Truncated cone - Triangular Prism - Hexagonal Prism - Triangular Pyramid - Hemispherical Shape SUBSCRIPTION INFORMATION This subscription package offers users unlimited access to all app features throughout the subscription period. • Payment will be charged to iTunes Account at confirmation of purchase. • Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. • Account will be charged for renewal within 24 hours prior to the end of the current period, and identify the cost of the renewal. • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Privacy Policy: https://13520178.github.io/SurfaceAreaCalc/policy.html Terms of Use: https://13520178.github.io/SurfaceAreaCalc/terms.html We are happy to serve! If you have any requests or suggestions, do not hesitate to contact us. Email: phannhatd@gmail.com
Flat Pattern & Bend Calculator
Calculate precise flat pattern dimensions for various fabricated metal components, from simple bends to complex shapes like elbows, lobsterbacks, and cones. This tool assists fabricators, welders, and engineers in generating accurate layouts for piping, ducting, and pressure vessels.
- Flat pattern calculations for bends, elbows, tees, cones
- Supports complex shapes: truncated cones, pyramids, screw flights
- Transition layouts: round-to-square, square-to-round
- Fast, reliable, and accurate results
- Unique and copyright-safe solutions
Read full descriptionHide full description
Quickly and accurately calculate flat pattern dimensions for a wide range of fabricated components. From simple bends to complex transitions, this app helps fabricators, welders, and engineers generate precise flat layouts for elbows, lobsterback bends, frustum cones, truncated pipes, and more. Advanced triangulation methods make it easy to handle screw flights, angled pipe cuts, pyramids, and other complex shapes. Key Features: * Flat pattern calculations for bends, elbows, tees, cones, and pipe intersections * Supports advanced shapes: truncated cones, pyramids, screw flights * Transition layouts: round-to-square, square-to-round, rectangle-to-round * Fast, reliable, and accurate results for metal fabrication workflows Ideal For: * Pressure vessel and tank fabrication * Piping, ducting, welding, and insulation * Industrial, structural, and mechanical fabrication * Process equipment design and layout work Note: All designs, calculations, and layouts are originally created by our team to ensure you receive fully unique and copyright-safe solutions. Information about the auto-renewable nature of the subscription. Confirm subscription: Payment will be charged to iTunes Account at confirmation of purchase. Manage subscriptions: Users can manage or unsubscribe in iTunes & App Store account management in the phone system settings. Auto-renewal: Apple iTunes account will be charged for renewal within 24-hours prior to the end of the current subscription period. To cancel the renewal, please turn off auto-renew manually at least 24-hours before the end of the period. No cancellation of the current subscription is allowed during the active subscription period. You can go to the Account Settings to cancel the renewal before the trial ends. The current free trial will be forfeited when you purchase a subscription to the premium version before the trial period ends. By using the app, you confirm that you acknowledge and accept our Privacy Policy and Terms of Service: Privacy Policy: https://sites.google.com/view/privacy-policy1331/privacy Terms of Service: https://sites.google.com/view/privacy-policy1331/terms
Screenshots
Verdict
The clearest difference is rating: Flat Pattern & Bend Calculator at 4.3 against Surface Area Calculator + Cost's 3.5. Surface Area Calculator + Cost's advantage is ratings volume (24 vs 4). 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
Both are free to download. Surface Area Calculator + Cost sells 3 in-app purchases, starting at $1.99 per month and Flat Pattern & Bend Calculator sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
Flat Pattern & Bend Calculator holds the better App Store score, 4.3 against 3.5. That said, the two scores are not equally well evidenced: Surface Area Calculator + Cost has 24 ratings behind it against 4, so its average is the more settled of the two.
Surface Area Calculator + Cost ships an update every 6 months, Flat Pattern & Bend Calculator every 4 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | Surface Area Calculator + Cost | Flat Pattern & Bend Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (24 ratings) | 4.3 (4 ratings) — better |
| Positive reviews | 22.2% of reviews | — |
| Number of ratings | 24 — better | 4 |
| Update frequency | Every 6 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 4 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Phan Nhat Đang | AdityaKumar Patel |
Customer experience
Surface Area Calculator + Cost
Flat Pattern & Bend Calculator
In-app purchases
Surface Area Calculator + Cost
- Premium monthly package$1.991 Month
- Annual Premium Package$14.991 Year
- Remove ads$19.99
Flat Pattern & Bend Calculator
- Premium Monthly Access$4.991 Month
- Premium Yearly Access3 Days trial$29.991 Year
Questions
Is Surface Area Calculator + Cost free?
Is Flat Pattern & Bend Calculator free?
Which has better reviews, Surface Area Calculator + Cost or Flat Pattern & Bend Calculator?
Do Surface Area Calculator + Cost or Flat Pattern & Bend Calculator have ads?
Which is updated more often, Surface Area Calculator + Cost or Flat Pattern & Bend Calculator?
Other comparisons















