ElbowCalc vs Unbend Flat Pattern Calculator
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
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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
Unbend Flat Pattern Calculator
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Unbend is a sheet metal calculator built for the shop floor, not the office. Type a dimension and the technical drawing redraws live, so you always see exactly which measurement you are editing. BENDING • Bend allowance, bend deduction and flat blank length • Single bend, multi-bend profiles, U channel, Z profile, hem and joggle • K-factor resolved from material and forming method, with a built-in R/T table • Set your own K-factor per material with the custom table (Pro) FLAT PATTERN DEVELOPMENT • Cone, truncated cone, cylinder, truncated cylinder and segmented elbow • Full ordinate table for marking out by hand • Pattern view with zoom and clear line language: solid for cut, dashed for bend BUILT FOR FABRICATORS • Fraction keypad with true stacked fractions, in inches or millimeters • Works completely offline, nothing is sent anywhere • Save jobs and return to them later • Available in 15 languages EXPORT • DXF for CNC, plasma and laser cutting (Pro) • True 1:1 PDF templates with a print calibration ruler (Pro) • Tiled PDF for patterns larger than the page (Pro) • Ordinates as CSV, or share the pattern as an image FAIR PRICING Every calculation is free and unlimited, forever. One single payment unlocks DXF export, 1:1 and tiled PDF templates, unlimited saved jobs and the custom K-factor table. No subscription, nothing renews, and the unlock stays with your store account. Terms of Use: https://looplab.app/apps/unbend/terms-of-service/, https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://looplab.app/apps/unbend/privacy-policy
Screenshots
Verdict
The clearest difference is ads: ElbowCalc at none against Unbend Flat Pattern Calculator's shown. ElbowCalc also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.4). Unbend Flat Pattern Calculator's advantage is update cadence (fortnightly vs every 5 weeks). On price 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 Unbend Flat Pattern Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
ElbowCalc ships an update every 5 weeks, Unbend Flat Pattern Calculator fortnightly. The most recent releases landed on September 28, 2026 and October 2, 2026 respectively.
| Parameter | ElbowCalc | Unbend Flat Pattern Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (7 ratings) — better | — |
| Number of ratings | 7 — better | — |
| Update frequency | Every 5 weeks | Fortnightly — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 37 MB | 57 MB |
| Age rating | +4 | 4+ |
| Developer | Sachinbhai Surani | Omer Faruk BAGCI |
In-app purchases
ElbowCalc
- Lifetime premium$19.99
Unbend Flat Pattern Calculator
- Unbend Pro Unlock$14.99
Questions
Is ElbowCalc free?
Is Unbend Flat Pattern Calculator free?
Do ElbowCalc or Unbend Flat Pattern Calculator have ads?
Which is updated more often, ElbowCalc or Unbend Flat Pattern Calculator?
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