# Electrical Calculator lite vs SCR MAXFLO™

The clearest difference is in-app purchases: SCR MAXFLO™ at none against Electrical Calculator lite's 2. Electrical Calculator lite's advantage is ratings volume (578 vs 5) and update cadence (every 2 months vs every 11 months). On price, rating, ads and iOS requirement there is nothing between them.

Both are free to download. Electrical Calculator lite sells 2 one-off in-app purchases. SCR MAXFLO™ asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for Electrical Calculator lite against 4.6 for SCR MAXFLO™. That said, the two scores are not equally well evidenced: Electrical Calculator lite has 578 ratings behind it against 5, so its average is the more settled of the two.

Electrical Calculator lite ships an update every 2 months, SCR MAXFLO™ every 11 months. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Electrical Calculator lite | SCR MAXFLO™ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (578 ratings)](https://appshunter.io/ios/app/electrical-calculator-lite/id922903696/reviews) | **[4.6 (5 ratings)](https://appshunter.io/ios/app/scr-maxflo/id1077499630/reviews)** |
| Number of ratings | **578** | 5 |
| Positive reviews | 39.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 11 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 18 MB | 7 MB |
| Requires iOS | 17.6 | **16.6** |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Southwire Company](https://appshunter.io/developer/440338423) |

## What reviewers say

### Electrical Calculator lite

[App page](https://appshunter.io/ios/app/electrical-calculator-lite/id922903696)

This comprehensive tool offers over 60 calculators and 16 converters for electrical engineering, wiring, and circuit analysis. It supports engineers, electricians, students, and hobbyists with calculations ranging from basic Ohm's Law to complex RLC circuits and power conversions.

**Highlights:** 60+ Electrical Calculators, 16 Electrical Unit Converters, Ohm's Law Calculations, RLC Circuit Analysis, Power and Current Calculations, Transformer Calculations, Wire Size Selector

**Features:** Family Sharing, Vision Pro support, iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 16 Electrical Converters | $0.99 | one-time |
| Electrical Calculators | $3.99 | one-time |

**What reviewers like**

- 👍 Very helpful formulas for homework
- 👍 Easy to use interface
- 👍 Comprehensive electricity app, a true Swiss Army knife
- 👍 Well-designed, intuitive, and aesthetic interface
- 👍 Great for work, very useful

**What reviewers complain about**

-  anúncios são muito irritantes
- 💰 Useful features are paywalled (RMS calculator, transformer calculator, MVA/current calculator)
- 💰 Costs too much
- 💰 Extremely basic calculators, rest require purchase
- 💰 Unlock option doesn't work

**Reported bugs**

- Unlock option doesn’t work
- Voltage drop calculator is incorrect compared to other apps

**Requested features**

- Output vs frequency sweep plotting for resonance points or impedance graphs for RL and RC circuits
- Add MHz option for capacitive and inductive reactance calculators
- Add MHz option for resonance frequency calculator


### SCR MAXFLO™

[App page](https://appshunter.io/ios/app/scr-maxflo/id1077499630)

This app calculates pressure drop, fluid velocity, Reynold's number, and friction factor for liquids and gases. It allows users to create custom projects, manage pipes, fluids, and fittings, and supports both metric and imperial units for efficient on-site work.

**Highlights:** Pressure drop calculation, Fluid velocity calculation, Reynold's number calculation, Friction factor calculation, Custom project creation, Pipe, fluid, and fitting management, Metric and imperial unit support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Electrical Calculator lite free?

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

### Is SCR MAXFLO™ free?

SCR MAXFLO™ is free to download, with no in-app purchases.

### Which has better reviews, Electrical Calculator lite or SCR MAXFLO™?

SCR MAXFLO™ is rated higher. Electrical Calculator lite averages 4.6 out of 5 from 578 ratings, while SCR MAXFLO™ averages 4.6 from 5 ratings.

### Do Electrical Calculator lite or SCR MAXFLO™ have ads?

Neither Electrical Calculator lite nor SCR MAXFLO™ shows ads.

### Which is updated more often, Electrical Calculator lite or SCR MAXFLO™?

Electrical Calculator lite ships an update every 2 months, and SCR MAXFLO™ every 11 months. Most recently, Electrical Calculator lite was updated on October 28, 2026 and SCR MAXFLO™ on October 24, 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.*