Comparison

Bivatek Thread Calculator vs Kalkulator CNC

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

Head to head
About

Bivatek Thread Calculator

Features
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Bivatek Thread Calculator is a precision engineering tool for calculating thread dimensions based on ASME B1.1 standards. Quickly look up major diameter, minor diameter, pitch diameter, and thread pitch for Unified National thread series (UNC, UNF, UNEF). Designed for engineers, machinists, and manufacturing professionals.

About

Kalkulator CNC

Features
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CNC Calculator – Your command center right at the machine. Developed by practitioners for CNC operators and engineers. Instantly calculate machining parameters, check thread dimensions, and select cutting values without the need for paper catalogs. Key Features: • Milling and Turning: Calculate cutting speed (Vc), spindle speed (n), feed (Fz, Vf), and machining time (Tc). • Thread Database: Quick access to dimensions for Metric (M, MF), Imperial (UNC, UNF), and Pipe (G) threads. Check pitch, TPI, and recommended tap drills. • Taper and Roughness Calculator: Calculate taper angles (alpha) and theoretical surface roughness (Ra). • Feed Compensation: Automatic correction for circular interpolation inside and outside the material. • Material Library: Select cutting parameters Vc, Fz, Kc for steel, aluminum, cast iron, and more. • Tool Magazine: Save your proven parameters for specific tools and materials. • Offline Mode: All calculations and databases are available without an internet connection, directly on the shop floor. Why choose this app? • Intuitive interface – results in just 3 taps. • Full support for Landscape orientation on tablets and machine mounts. • No unnecessary permissions – we care about your privacy. • Lightweight and fast performance. Download now and make your machining more precise and faster! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Bivatek Thread Calculator4 screens
Kalkulator CNC4 screens

Verdict

The call

The clearest difference is ads: Bivatek Thread Calculator at none against Kalkulator CNC's shown. Bivatek Thread Calculator also leads on update cadence (every 2 days vs every 2 weeks) and iOS requirement (15.1 vs 18.2). On price, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Bivatek Thread Calculator ships an update every 2 days, Kalkulator CNC every 2 weeks. The most recent releases landed on October 25, 2026 and October 17, 2026 respectively.

Scorecard3 real differences Ā· 3 level
Bivatek Thread Calculator versus Kalkulator CNC: the parameters behind the verdict, then further details
ParameterBivatek Thread CalculatorKalkulator CNC
PriceFreeFree
Update frequencyEvery 2 days — betterEvery 2 weeks
AdsNo — betterYes
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 — better18.2
Further details — not scored
Size41 MB56 MB
Age rating4+4+
DeveloperVionni Software L.L.C-FZMICHAL SCHMUDE

In-app purchases

None

Bivatek Thread Calculator

No in-app purchases

None

Kalkulator CNC

No in-app purchases

Questions

Is Bivatek Thread Calculator free?
Bivatek Thread Calculator is free to download, with no in-app purchases.
Is Kalkulator CNC free?
Kalkulator CNC is free to download, with no in-app purchases.
Do Bivatek Thread Calculator or Kalkulator CNC have ads?
Kalkulator CNC shows ads; Bivatek Thread Calculator does not.
Which is updated more often, Bivatek Thread Calculator or Kalkulator CNC?
Bivatek Thread Calculator ships an update every 2 days, and Kalkulator CNC every 2 weeks. Most recently, Bivatek Thread Calculator was updated on October 25, 2026 and Kalkulator CNC on October 17, 2026.

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