Comparison

Miter Bend Pro vs O

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

Head to head
About

Miter Bend Pro

Features
Read full description

Miter Bend Pro is a professional engineering calculator for designing segmented miter bends and generating accurate flat pattern development dimensions. It is designed for sheet metal fabricators, pipe fitters, HVAC technicians, welders, mechanical engineers, workshop professionals, and engineering students who need fast, reliable, and workshop-ready fabrication calculations. The app automatically calculates miter bend angles and development dimensions for segmented elbows used in piping, ducting, exhaust systems, ventilation systems, and industrial fabrication. By eliminating manual trigonometry and trial-and-error calculations, it helps improve fabrication accuracy, reduce material waste, and save valuable workshop time. Features • Accurate miter bend angle calculations • Flat pattern development for segmented bends • Workshop-ready cutting dimensions • Supports segmented elbows and multi-piece miter bends • Metric and Imperial unit systems • Automatic internal unit conversion • Imperial fractional dimension support • Fast calculations with an easy-to-use interface • No internet connection required Calculate • Miter Angle • Segment Development Lengths • L0, L1, L2 and additional layout dimensions • Cutting layout dimensions for each bend section Input Parameters • Bend Diameter • Bend Radius • Total Bend Angle • Number of Bend Parts • Development Line Count Ideal For • Sheet Metal Fabrication • Pipe Fabrication • HVAC Duct Fabrication • Ventilation Systems • Exhaust System Fabrication • Industrial Piping • Mechanical Engineering • Fabrication Workshops • Plant Maintenance Benefits • Eliminates manual calculations • Improves fabrication accuracy • Produces precise workshop layouts • Reduces fitting errors • Minimizes material waste • Saves fabrication time • Simple, reliable, and easy to use Whether you are fabricating duct elbows, pipe bends, ventilation systems, exhaust lines, or segmented miter bends, Miter Bend Pro provides accurate layout dimensions and engineering calculations to simplify fabrication and improve workshop productivity. It is an essential tool for professionals involved in sheet metal fabrication, piping, HVAC installation, industrial maintenance, and mechanical engineering.

About

O

Features
Read full description

Some of the main features of the application are: • Calculator: easily define what the geometrical parameters for rock blasting should be. • Safety: Measure the ground vibration and acoustics levels of the blast site. • Data tables: Find out acceptable levels of vibration, glossary used in the explosive industry, linear charge of the explosive according to different diameters and desities of explosive and etc. • Products: Learn more about the range of solutions O-Pitblast can offer you to optimize your drilling and rock blasting solutions.

Screenshots

Miter Bend Pro4 screens
O4 screens

Verdict

The call

The clearest difference is price: O at Free against Miter Bend Pro's $3.99. O also leads on update cadence (every 2 weeks vs every 42 months) and iOS requirement (12.0 vs 16.1). Miter Bend Pro's advantage is ads (none vs shown). On in-app purchases and device support 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

O is free to download; Miter Bend Pro costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Miter Bend Pro ships an update every 42 months, O every 2 weeks. The most recent releases landed on September 15, 2026 and December 23, 2025 respectively.

Scorecard4 real differences Ā· 2 level
Miter Bend Pro versus O: the parameters behind the verdict, then further details
ParameterMiter Bend ProO
Price$3.99Free — better
Update frequencyEvery 42 monthsEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.112.0 — better
Further details — not scored
Size1 MB52 MB
Age rating4+4+
DeveloperImran PinjaraO-Pitblast, Lda.

In-app purchases

None

Miter Bend Pro

No in-app purchases

None

O

No in-app purchases

Questions

Is Miter Bend Pro free?
Miter Bend Pro costs $3.99, with no in-app purchases.
Is O free?
O is free to download, with no in-app purchases.
Do Miter Bend Pro or O have ads?
O shows ads; Miter Bend Pro does not.
Which is updated more often, Miter Bend Pro or O?
Miter Bend Pro ships an update every 42 months, and O every 2 weeks. Most recently, Miter Bend Pro was updated on September 15, 2026 and O on December 23, 2025.

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