Arc Flash Label Calculator vs VFD Cable Sizing Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Arc Flash Label Calculator
Calculate and generate arc flash labels for electrical equipment. Input data to produce PDF labels based on NFPA 70E standards, including incident energy and approach boundaries. Supports various circuit breakers, fuses, and voltage levels.
- Arc flash label calculation
- NFPA 70E Annex D.4 methodology
- Support for MCCB, ICCB, LSI, and fuses
- Calculates Incident Energy, Arc Flash Boundary, Approach Boundaries
- Generates PDF labels (4 per sheet)
- Supports low, medium, and high voltage equipment
- Custom configurations for gap, distance, and time
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An easy to use develop arc flash label calculator and label generator. Input the necessary information into the app and it will generate a PDF label using NFPA 70E Annex D.4 (VAC) arc flash label calculations & methodology. Support for circuit breakers: MCCB, ICCB & LSI (Electronic LVPCB) and fuses by Cooper Bussmann and Ferraz-Shawmut including Classes: RK1, RK5, L, J, CC, T & H. Wide support for different overcurrent protection devices and pre-programmed models are setup for easy use. Custom configurations are supported by adjustments conductor gap, working distance and arcing time. Arc flash label calculates and includes: Incident Energy [cal/cm^2], Arc Flash Boundary, Limited Approach Boundary, Restricted Approach Boundary, Hazard Risk Category, voltage and short circuit current. Labels output 4 per sheet using standard 4 label template. Develop arc flash labels for low, medium and high voltage three phase equipment up to 15,000VAC and 1,000VDC. High voltage package required for voltages over 220V. Quick preset options to support major international standards. Requires Mail app configured for outgoing email.
VFD Cable Sizing Calc
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Use this simple tool to input relevant information for your installation of cable from VFD (variable-frequency drive) to Motor and it will select the proper size of cable for your installation.
Screenshots
Verdict
The clearest difference is in-app purchases: VFD Cable Sizing Calc at none against Arc Flash Label Calculator's 1. Arc Flash Label Calculator's advantage is update cadence (fortnightly vs every 5 months) and device support (4 vs 2). On price and ads 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. Arc Flash Label Calculator sells 1 one-off in-app purchase. VFD Cable Sizing Calc asks for nothing beyond the download.
Arc Flash Label Calculator ships an update fortnightly, VFD Cable Sizing Calc every 5 months. The most recent releases landed on October 6, 2026 and October 3, 2026 respectively.
| Parameter | Arc Flash Label Calculator | VFD Cable Sizing Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (4 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Fortnightly — better | Every 5 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 9.0 — better | 16.5 |
| Further details — not scored | ||
| Size | 20 MB | 5 MB |
| Age rating | 4+ | 17+ |
| Developer | Octagon Seven LLC | Southwire Company |
In-app purchases
Arc Flash Label Calculator
- Unlock High Voltage Arc Flash$19.99
VFD Cable Sizing Calc
No in-app purchases
Questions
Is Arc Flash Label Calculator free?
Is VFD Cable Sizing Calc free?
Do Arc Flash Label Calculator or VFD Cable Sizing Calc have ads?
Which is updated more often, Arc Flash Label Calculator or VFD Cable Sizing Calc?
Other comparisons
