Workshop Calc vs Kalkulator CNC
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Workshop Calc
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Workshop Calc is an offline metal and machinist calculator for workshop estimates and job records. Use it to estimate metal weight, convert fractions and units, check thread and tap drill sizes, browse drill and material references, save calculations to jobs, and export job sheets or coordinate files. Free tools cover common shop calculations including metal weight, unit conversion, tap drill estimates, drill charts, material lookup, and right triangle math. Workshop Calc Pro unlocks Sheet Metal Bend calculations using bend allowance, bend deduction and K-factor for a single-bend flat-length estimate, plus other advanced tools, full references, unlimited jobs and history, custom shop data, and PDF, CSV, DXF, JSON and guarded G-code template exports. The app is local-first, requires no account, shows no ads, and is built for offline shop use. Results are estimates and starting points. Verify critical work with official standards, manufacturer data, and qualified professionals.
Kalkulator CNC
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CNC Calculator ā 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 ā results in just 3 taps. ⢠Full support for Landscape orientation on tablets and machine mounts. ⢠No unnecessary permissions ā 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
Verdict
The clearest difference is in-app purchases: Kalkulator CNC at none against Workshop Calc's 1. Workshop Calc's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement 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
Both are free to download. Workshop Calc sells 1 one-off in-app purchase. Kalkulator CNC asks for nothing beyond the download.
Workshop Calc ships an update every 2 weeks, Kalkulator CNC weekly. The most recent releases landed on September 12, 2026 and September 13, 2026 respectively.
| Parameter | Workshop Calc | Kalkulator CNC |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Weekly ā better |
| Ads | No ā better | Yes |
| In-app purchases | Yes | No ā better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 ā better | 18.2 |
| Further details ā not scored | ||
| Size | 6 MB | 56 MB |
| Age rating | 4+ | 4+ |
| Developer | åø č” | MICHAL SCHMUDE |
In-app purchases
Workshop Calc
- Workshop Calc Pro$6.99
Kalkulator CNC
No in-app purchases
Questions
Is Workshop Calc free?
Is Kalkulator CNC free?
Do Workshop Calc or Kalkulator CNC have ads?
Which is updated more often, Workshop Calc or Kalkulator CNC?
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