Comparison

Right Triangle vs Bend Calculator

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

Head to head
About

Right Triangle

Instantly solve geometry homework and prepare for exams with this free calculator. It provides complete step-by-step solutions for all triangle quantities, including legs, hypotenuse, height, angles, perimeter, and area. Access learning videos and manage your solutions.

Highlights
  • Step-by-step solutions
  • Calculates legs, hypotenuse, height, angles, perimeter, area
  • Supports all length units
  • Curated learning videos
  • Feedback on incorrect inputs
  • Manage saved solutions
Features
Read full description

Finish homework instantly. Prepare for exams without stress. Free, complete step-by-step solutions. Enter your values and calculate legs, hypotenuse, height, angles, perimeter, and area. HOW IT WORKS Enter your values into the correct fields and get started. You’ll receive the solution instantly and can share it with friends or classmates. YOUR PERSONAL DATA We don’t need it. Only anonymized data is collected, such as: - which features are used - how many solutions are generated This helps us improve. We cannot identify you. COST Everything is free to use. 24/7 access to your solutions. All solution steps always remain complete. If you need many solutions in a short time, various purchase options are available. EXTRAS - overview of all variables - all length units - curated learning videos - feedback on incorrect inputs - manage your own solutions - app introduction CONTACT Questions and feedback via Discord or directly in the app review.

About

Bend Calculator

Features
Read full description

Generate instant, mathematically perfect flat pattern layouts for complex geometric transitions. Bend Calculator is the ultimate iOS companion for sheet metal professionals, mechanical engineers, and fabricators. Engineered to eliminate tedious manual math, this app delivers instant, field-ready flat patterns for HVAC ductwork, custom welding, industrial piping, and architectural metal roofing. Whether you are at a desk or on the shop floor, get your dimensions in and your precise results out instantly. Core Calculations & Allowances • Cones & Frustums: Generate instant layouts for standard cones, plus parallel and angled eccentric frustums. • Truncated Cylinders: Map out precise cylindrical cuts effortlessly. • Bend Allowances: Compute exact bend deductions and allowances across any angle to ensure flawless folding every single time. Seamless Transitions • Rectangle & Circle: Calculate smooth, mathematically exact transitions for rectangle-to-circle (standard and eccentric). • Reverse Transitions: Effortlessly compute circle-to-rectangle and rectangle-to-rectangle ductwork intersections. Smart Tools for Modern Workflows • Save Your Calculations: Never lose track of a complex layout. Save your frequently used dimensions and access your history instantly for repeat jobs. • Light & Dark Mode: Engineered for comfort in any environment. Use a crisp, high-contrast light theme in the drafting room, or seamlessly switch to a sleek, eye-saving dark mode on the shop floor. The Professional's Choice • Frictionless Interface: A clean, modern iOS UI built for speed. No clunky menus—just rapid data entry and instant calculations. • Absolute Precision: Eliminate drafting errors, reduce costly material waste, and trust the math every time you make a cut. Stop drafting transitions by hand. Download Bend Calculator to bring speed, accuracy, and modern efficiency to your next fabrication project. Bend Calculator: Learn How to Draw offers auto-renewable subscriptions for access to premium content. • Payment will be charged to your iTunes account at confirmation of purchase • Subscriptions automatically renew unless turned off at least 24 hours before the end of the current period • Manage or cancel subscriptions in your iTunes & App Store account settings By using the app, you confirm that you acknowledge and accept our Privacy Policy and Terms of Use. Privacy Policy: https://sites.google.com/view/reva-desai/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ If you would like to use our App but have trouble affording it, please email us at reva.desai2000@gmail.com

Screenshots

Right Triangle4 screens
Bend Calculator4 screens

Verdict

The call

The clearest difference is update cadence: Bend Calculator at every 4 days against Right Triangle's every 3 weeks. Right Triangle's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, 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. Right Triangle sells 8 one-off in-app purchases and 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.

UpkeepUpdate frequency

Right Triangle ships an update every 3 weeks, Bend Calculator every 4 days. The most recent releases landed on November 7, 2026 and November 6, 2026 respectively.

Scorecard3 real differences · 6 level
Right Triangle versus Bend Calculator: the parameters behind the verdict, then further details
ParameterRight TriangleBend Calculator
PriceFreeFree
Rating3.8 (6 ratings) — better—
Number of ratings6 — better—
Update frequencyEvery 3 weeksEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size180 MB15 MB
Age rating4+4+
DeveloperGlindemann, Sennoun, Langer GbRReva Desai

In-app purchases

8 purchases

Right Triangle

One-time8
  • +30 User Tokens$0.29
  • +1 Convenience Token / 6h, max. +2$0.59
  • +2 Convenience Tokens / 6h, max. +4$0.99
Show 5 more
  • +150 User Tokens$0.99
  • +300 User Tokens$1.49
  • +4 Convenience Tokens / 6h, max. +8$1.59
  • Remove Ads$2.99
  • Lifetime Access$2.99
2 purchases

Bend Calculator

Subscriptions2
  • Pro Monthly Access$4.991 Month
  • Pro Yearly Access$29.991 Year

Questions

Is Right Triangle free?
Right Triangle is free to download, with in-app purchases available.
Is Bend Calculator free?
Bend Calculator is free to download, with in-app purchases available.
Do Right Triangle or Bend Calculator have ads?
Neither Right Triangle nor Bend Calculator shows ads.
Which is updated more often, Right Triangle or Bend Calculator?
Right Triangle ships an update every 3 weeks, and Bend Calculator every 4 days. Most recently, Right Triangle was updated on November 7, 2026 and Bend Calculator on November 6, 2026.

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