Comparison

Bend Solver vs Unbend Flat Pattern Calculator

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

Head to head
About

Bend Solver

Features
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The BystronicBend Solver calculates very easy many parameters for bending sheet metal and comes with lovely graphics. The BystronicBend Solver is supporting the bending / press brake operator, team leader or line manager perfectly in his day to day workflow. Depending on the material (e.g. steel, stainless steel or aluminium) and the material thickness the user gets an indication of the required bending force, the die opening, the box height, the stamp height, the radius and the minimal flange length. Also makes recommendations to appropriate tools and bending machines for the desired operation. Features: + Calculationofoptimal settingsforBystronicbendingmachines + Calculationofbendingforce + Calculation of box height + Calculation of stamp height + Recommendation of tools and machines + Numerous metal sheets to choose + Graphical indication of bending part It's that easy! Enjoy working with it. Bystronic: Best choice. Cutting. Bending. Automation www.bystronic.com

About

Unbend Flat Pattern Calculator

Features
Read full description

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

Bend Solver4 screens
Unbend Flat Pattern Calculator4 screens

Verdict

The call

The clearest difference is in-app purchases: Bend Solver at none against Unbend Flat Pattern Calculator's 1. Bend Solver also leads on ads (none vs shown) and update cadence (every 3 days vs fortnightly). On price there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Unbend Flat Pattern Calculator sells 1 one-off in-app purchase. Bend Solver asks for nothing beyond the download.

UpkeepUpdate frequency

Bend Solver ships an update every 3 days, Unbend Flat Pattern Calculator fortnightly. The most recent releases landed on September 25, 2026 and October 2, 2026 respectively.

Scorecard5 real differences Ā· 1 level
Bend Solver versus Unbend Flat Pattern Calculator: the parameters behind the verdict, then further details
ParameterBend SolverUnbend Flat Pattern Calculator
PriceFreeFree
Update frequencyEvery 3 days — betterFortnightly
AdsNo — betterYes
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS12.0 — better16.4
Further details — not scored
Size2 MB57 MB
Age rating4+4+
DeveloperSynVation GmbHOmer Faruk BAGCI

In-app purchases

None

Bend Solver

No in-app purchases

1 purchases

Unbend Flat Pattern Calculator

One-time1
  • Unbend Pro Unlock$14.99

Questions

Is Bend Solver free?
Bend Solver is free to download, with no in-app purchases.
Is Unbend Flat Pattern Calculator free?
Unbend Flat Pattern Calculator is free to download, with in-app purchases available.
Do Bend Solver or Unbend Flat Pattern Calculator have ads?
Unbend Flat Pattern Calculator shows ads; Bend Solver does not.
Which is updated more often, Bend Solver or Unbend Flat Pattern Calculator?
Bend Solver ships an update every 3 days, and Unbend Flat Pattern Calculator fortnightly. Most recently, Bend Solver was updated on September 25, 2026 and Unbend Flat Pattern Calculator on October 2, 2026.

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