CoilCalc vs Nozzly
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CoilCalc
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CoilCalc is a precise and intuitive tool for calculating technical coil and wire parameters. The app helps users determine accurate values for resistance, current, power output and coil length based on material type, wire gauge, diameter settings and wrap count. Designed for engineering tasks, educational environments and technical projects, CoilCalc provides clear results through a modern and easy to use interface. All calculations are processed instantly, making it an efficient tool for anyone working with coil geometry, wire characteristics or electrical values. Key Features • Accurate calculations for resistance, current, power and coil length • Supports multiple coil configurations such as single, dual and quad • Adjustable parameters for material, wire gauge, inner and outer diameter and wrap count • Instant results for technical and educational use • Clean and modern interface designed for clarity and speed • Built in formulas and explanations to help users understand the calculations • Fully localized in English and German • Works offline and requires no account CoilCalc offers a reliable and accessible way to perform coil and wire calculations, making it useful for training, engineering work and personal technical projects.
Nozzly
Calculate the true selling price of your 3D prints by factoring in material, electricity, and desired profit margin. Designed for makers who sell their creations, this tool helps you avoid undercharging for your work.
- Calculate selling price with material, electricity, and margin
- Save printers, filaments, and designs
- Add photos and SKUs per figure
- Price rounding and currency selection
- Share quotes instantly
- Generate PDF quotes with business details
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Nozzly calculates the real sale price of your 3D prints — no more guessing. Enter your filament, print time and margin, and Nozzly tells you what to charge, factoring in material, waste, electricity, the time your machine is running and your profit. Built for makers who sell their prints and want to stop giving away their work. FREE includes: Price calculator with material (one or several filaments), waste, electricity and margin Print hour cost: charge for the time your machine is actually running Categories to organize your catalog by theme and filter it in one tap Tax included or added on top, with a Base + tax breakdown Save your printers and filaments, with color and type (PLA, PETG, ABS, TPU…) Photo and SKU per figure Price rounding and currency selection Share the quoted price in one tap NOZZLY PREMIUM (one-time purchase, no subscription) unlocks: Unlimited printers, filaments and figures PDF quotes with your business name and logo, ready to send Saved clients with tax ID and contact details, to quote in one tap Groups: build a product out of several pieces and quote it as one Quote groups and single pieces in the same quote, with optional per-piece breakdown Import the .3mf from your slicer and create the figures automatically Reusable extras (bag, keyring, paint…), with prorated charging by quantity Filament inventory: deduct your stock when printing, with low-stock alerts Export your catalog to Excel / CSV Labor and machine depreciation added to the price Custom quote message with your brand Charge what you're worth. Start free and upgrade to Premium whenever you need it. Questions or ideas? Reach out — Nozzly keeps growing with the maker community.
Screenshots
Verdict
The clearest difference is in-app purchases: CoilCalc at none against Nozzly's 1. Nozzly's advantage is iOS requirement (17.0 vs 26.1). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Nozzly sells 1 one-off in-app purchase. CoilCalc asks for nothing beyond the download.
| Parameter | CoilCalc | Nozzly |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | — | Every 5 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.1 | 17.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | VortexCom UG (haftungsbeschränkt) | ALEJANDRO ROSALES ARZOLA |
In-app purchases
CoilCalc
No in-app purchases
Nozzly
- Nozzly Premium$12.99









