Comparison

Izoler Pro vs Arc Calculator Pro

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

Head to head
About

Izoler Pro

Features
Read full description

Shapes used in plastics, metals and insulation industries

About

Arc Calculator Pro

This utility app provides precise calculations for various arc measurements, including length, angle, radius, and area. It supports both millimeters and inches, making it ideal for fabrication and engineering tasks. The app is designed for high performance and offline use.

Highlights
  • Arc Length Calculation
  • Arc Angle Calculation
  • Arc Radius Calculation
  • Arc Segment Area Calculation
  • Arc Sector Area Calculation
  • Supports mm and inches
  • Offline functionality
Features
Read full description

Arc Calculator is a professional engineering utility for calculating arc and circle geometry commonly used in fabrication, machining, engineering drawings, layout development, and workshop calculations. The app provides fast and accurate calculations for arc length, radius, angle, chord, sagitta, tangent height, segment area, and sector area using standard geometric formulas. Designed for engineers, fabricators, draftsmen, machinists, technicians, and students, Arc Calculator helps simplify everyday geometry calculations used for marking, layout, design verification, and fabrication work. App features: 1. No Internet Requirement. 2. No Irritating Ads. 3. Fabrication-friendly. 4. Higher Performance. Available Calculations • Arc Length • Arc Radius • Arc Angle • Arc Chord Length • Arc Depth / Sagitta • Arc Tangent Height • Arc Segment Area • Arc Sector Area Arc Length Calculator Calculate the length of an arc using the required radius and arc angle. Arc Radius Calculator Determine the radius of an arc from the available geometric dimensions. Arc Angle Calculator Calculate the included angle of an arc using the required arc dimensions. Arc Chord Calculator Calculate the straight-line chord length between the two endpoints of an arc. Arc Depth / Sagitta Calculator Calculate arc depth, also known as sagitta, for practical layout and fabrication applications. Arc Tangent Height Calculator Calculate tangent-related arc dimensions useful for fabrication marking and geometry calculations. Arc Segment Area Calculate the area enclosed by an arc and its corresponding chord. Arc Sector Area Calculate the area of a circular sector using the required radius and angle. Features • Multiple arc and circle geometry calculators • Accurate engineering formulas • Arc length and radius calculations • Arc angle and chord calculations • Sagitta / arc depth calculation • Tangent height calculation • Segment area calculation • Sector area calculation • Metric and Imperial unit support • Automatic unit conversion • Clear and easy-to-read results • Fast calculations • Simple professional interface • Works completely offline • No internet connection required Applications Arc Calculator is useful for: • Fabrication Layout and Marking • Sheet Metal Fabrication • Pressure Vessel Fabrication • Heat Exchanger Fabrication • Piping and Process Equipment • Engineering Drawings • Mechanical Engineering • Machining and Workshop Calculations • Industrial Layout Development • Design Verification Designed For • Mechanical Engineers • Fabrication Engineers • Design Engineers • Production Engineers • Draftsmen • Machinists • Workshop Technicians • Fabricators • Engineering Students Arc Calculator helps eliminate repetitive manual geometry calculations and provides quick, reliable results for practical engineering and fabrication work. Whether you are determining an arc length, finding a radius, calculating a chord or sagitta, checking an angle, or determining segment and sector areas, Arc Calculator provides a convenient geometry tool for everyday workshop and engineering applications.

Screenshots

Izoler Pro4 screens
Arc Calculator Pro4 screens

Verdict

The call

The clearest difference is price: Arc Calculator Pro at $3.99 against Izoler Pro's $33.99. Izoler Pro's advantage is update cadence (every 5 weeks vs every 41 months) and iOS requirement (8.0 vs 16.1). On ads, 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

Izoler Pro costs $33.99 and Arc Calculator Pro $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Izoler Pro ships an update every 5 weeks, Arc Calculator Pro every 41 months. The most recent releases landed on September 16, 2026 and October 1, 2026 respectively.

Scorecard3 real differences Ā· 5 level
Izoler Pro versus Arc Calculator Pro: the parameters behind the verdict, then further details
ParameterIzoler ProArc Calculator Pro
Price$33.99$3.99 — better
Positive reviews—0.0% of reviews
Update frequencyEvery 5 weeks — betterEvery 41 months
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS8.0 — better16.1
Further details — not scored
Size24 MB2 MB
Age rating+44+
DeveloperRafal GrobelnyImran Pinjara

In-app purchases

None

Izoler Pro

No in-app purchases

None

Arc Calculator Pro

No in-app purchases

Questions

Is Izoler Pro free?
Izoler Pro costs $33.99, with no in-app purchases.
Is Arc Calculator Pro free?
Arc Calculator Pro costs $3.99, with no in-app purchases.
Do Izoler Pro or Arc Calculator Pro have ads?
Neither Izoler Pro nor Arc Calculator Pro shows ads.
Which is updated more often, Izoler Pro or Arc Calculator Pro?
Izoler Pro ships an update every 5 weeks, and Arc Calculator Pro every 41 months. Most recently, Izoler Pro was updated on September 16, 2026 and Arc Calculator Pro on October 1, 2026.

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