# Electrical Calculations vs LSSI

The clearest difference is ads: LSSI at none against Electrical Calculations's shown. LSSI also leads on rating (5.0 vs 4.6). Electrical Calculations's advantage is ratings volume (128 vs 1). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Electrical Calculations sells 3 in-app purchases, starting at $3.99 per 3 months and LSSI sells 8 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

LSSI holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Electrical Calculations has 128 ratings behind it against 1, so its average is the more settled of the two.

Electrical Calculations ships an update every 3 weeks, LSSI fortnightly. The most recent releases landed on October 18, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Electrical Calculations | LSSI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (128 ratings)](https://appshunter.io/ios/app/electrical-calculations/id993232048/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lssi/id1615149540/reviews)** |
| Number of ratings | **128** | 1 |
| Positive reviews | 86.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 56 MB | 95 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Egal Net di Ettore Gallina](https://appshunter.io/developer/993232047) | [Lean Six Sigma Institute](https://appshunter.io/developer/1608279942) |

## What reviewers say

### Electrical Calculations

[App page](https://appshunter.io/ios/app/electrical-calculations/id993232048)

This app provides a comprehensive suite of electrical calculations for professionals. It supports various international standards and offers detailed reports in PDF format. The tool covers wiring, power, motor, and electronic calculations, along with extensive conversion tables and resources.

**Highlights:** Wire size and voltage drop calculations, Power, current, and resistance calculations, Motor performance and connection diagrams, Electronic component calculations, Extensive unit conversions, PDF report generation, Support for IEC, CEI, NEC, CEC standards

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Version (3 months) | $3.99 | per 3 months |
| PRO Version (1 year) | $7.49 | per year |
| PRO Version (Lifetime) | $89.99 | one-time |


### LSSI

[App page](https://appshunter.io/ios/app/lssi/id1615149540)

Connect with professionals globally, join groups, and participate in Master Classes. Access practical tools, guidelines, and courses, and discover job opportunities. Share your business case studies and enhance your professional development.

**Highlights:** Global professional networking, Join and create discussion groups, Participate in Master Classes, Access practical tools and guidelines, Read and share business case studies, Job opportunity search

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LSSI Pro Membership | $9.99 | per month |
| LSSI Premium Membership | $99.99 | per month |
| Lean Management Certification | $199.99 | one-time |
| LSS White Belt Certification | $199.99 | one-time |
| LSS Yellow Belt Certification | $499.99 | one-time |
| LSS Green Belt Certification | $699.99 | one-time |
| LSS Black Belt Certification | $799.99 | one-time |
| LSS Green Belt Certification | $799.99 | one-time |


## Frequently asked questions

### Is Electrical Calculations free?

Electrical Calculations is free to download, with in-app purchases available.

### Is LSSI free?

LSSI is free to download, with in-app purchases available.

### Which has better reviews, Electrical Calculations or LSSI?

LSSI is rated higher. Electrical Calculations averages 4.6 out of 5 from 128 ratings, while LSSI averages 5.0 from 1 ratings.

### Do Electrical Calculations or LSSI have ads?

Electrical Calculations shows ads; LSSI does not.

### Which is updated more often, Electrical Calculations or LSSI?

Electrical Calculations ships an update every 3 weeks, and LSSI fortnightly. Most recently, Electrical Calculations was updated on October 18, 2026 and LSSI on October 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*