ElbowCalc vs Right Angle PRO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ElbowCalc
This professional tool assists engineers and fabricators in quickly calculating and visualizing flat patterns for elbows and reducers. It provides instant pattern graphs with cut coordinates to streamline fabrication and minimize material waste.
- Calculate various elbow types
- Generate flat pattern graphs
- Supports reducer bends
- Provides cut coordinates
- Fast and precise calculations
- Share and save results
Read full descriptionHide full description
Elbow Flat Pattern Maker is a professional tool designed for engineers, fabricators, and metal workers who need quick and precise elbow calculations. This app helps you calculate and visualize flat patterns for elbows and reducers in seconds. Enter your values, and get instant pattern graphs with cut coordinates to simplify fabrication and reduce material waste. Key Features: - Calculate various elbow types quickly and accurately. - Generate flat pattern graphs and cut coordinates. - Supports Elbow, Reducer Bend, and Cut Measurement. - Fast and precise calculations for professionals. - Share and save results instantly. - Clean and user-friendly interface. Perfect for sheet metal workers, pipe fitters, and fabrication experts — get precise elbow layouts anytime, anywhere with Elbow Flat Pattern Maker. in-app purchase included Lifetime to Remove Ads Privacy Policy : https://semiconhub.in/manager/privacy.html Terms and Condition : https://semiconhub.in/manager/tcondition.html
Right Angle PRO
Read full descriptionHide full description
The right-angle calculator built for the job site. RightAngle PRO handles the units you actually use — fractional inches (1/16, 1/32, 1/64), feet & inches, decimal inches, and millimeters — with instant diagram preview and high-precision results. Key Features Fractional Inches & Feet Support Choose your precision: 1/16", 1/32", or 1/64" — matched to your tape measure. Enter any fraction and the result automatically rounds to your selected precision. Sub-display instantly shows the converted value in your chosen second unit. Customizable Unit Combinations Mix and match unit displays freely in any combination. Real-Time Preview Every digit you type or delete is instantly reflected in the diagram. Input errors are immediately visible, making operation intuitive and efficient. Massive Calculation Range: Up to 500 km From small building components to wide-area surveying simulations — calculate angles to mountain peaks or tall structures while referencing a map. High Precision Display Side lengths displayed to 4 decimal places. Angles to 6 decimal places (4 in DMS). Tap any value for detailed precision readout. Left/Right Diagram Toggle Flip the diagram between right-rising and left-rising with one tap. PDF Export Save and print calculation results with diagrams as PDF. Easy to share on-site or by email. Light & Dark Mode Switch between Light and Dark mode to suit your environment and preference. Works Without Internet All calculations run offline. Calculation data is processed only on your device. Specifications ■ Supported Units ・ft & in (1/16 fractional) ・ft & in (1/32 fractional) ・ft & in (1/64 fractional) ・ft & in (decimal) ・Inches (1/16 fractional) ・Inches (1/32 fractional) ・Inches (1/64 fractional) ・Inches (decimal) ・Feet ・Millimeters (mm) ・Meters (m/cm/mm) ■ Maximum Input Meter mode: up to 500 km Other modes: up to 1,000 m ■ Calculation Precision ・Sides: rounded at 5th decimal, displayed to 4th ・Fractions: any fraction accepted — result rounds to 1/16, 1/32, or 1/64 ・Angles: [Degrees] Diagram: 2 decimal / Precision: 6 decimal [DMS] Diagram: whole seconds / Precision: 4 decimal (seconds) ・1 inch = 25.4 mm (exact) ・1 foot = 304.8 mm (exact) Who Is This For? Carpenters, framers, contractors, and construction professionals working with imperial measurements. Anyone who needs to calculate angles, slopes, or diagonal lengths on the job site. DIY enthusiasts and model makers who need precise angle calculations. Those who frequently convert between fractional inches, feet, and metric. Please Note Every effort has been made to ensure calculation accuracy. However, minor rounding errors may occur. Please verify all results before use in construction or professional work. As we continually improve the app, if there is any discrepancy between this description and the actual behavior, the app's behavior takes precedence. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is iOS requirement: ElbowCalc at 13.0 against Right Angle PRO's 15.6. 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. ElbowCalc sells 1 one-off in-app purchase and Right Angle PRO sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
ElbowCalc ships an update every 5 weeks, Right Angle PRO monthly. The most recent releases landed on October 14, 2026 and September 28, 2026 respectively.
| Parameter | ElbowCalc | Right Angle PRO |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (7 ratings) — better | — |
| Number of ratings | 7 — better | — |
| Update frequency | Every 5 weeks | Monthly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 37 MB | 17 MB |
| Age rating | +4 | 4+ |
| Developer | Sachinbhai Surani | Masashi Konno |
In-app purchases
ElbowCalc
- Lifetime premium$19.99
Right Angle PRO
- RightAngle PRO Monthly$3.991 Month
- RightAngle PRO Yearly$39.991 Year
Questions
Is ElbowCalc free?
Is Right Angle PRO free?
Do ElbowCalc or Right Angle PRO have ads?
Which is updated more often, ElbowCalc or Right Angle PRO?
Other comparisons















