# Electrical Calculator lite vs Box Fill 2

The clearest difference is price: Electrical Calculator lite at Free against Box Fill 2's $3.99. Electrical Calculator lite also leads on rating (4.6 vs 3.3) and ratings volume (578 vs 3). Box Fill 2's advantage is in-app purchases (none vs 2) and update cadence (every 5 weeks vs every 2 months). On review sentiment, ads and device support there is nothing between them.

Electrical Calculator lite is free to download; Box Fill 2 costs $3.99 up front. Electrical Calculator lite sells 2 one-off in-app purchases. Box Fill 2 asks for nothing beyond the download.

Electrical Calculator lite holds the better App Store score, 4.6 against 3.3. That said, the two scores are not equally well evidenced: Electrical Calculator lite has 578 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 39% of Electrical Calculator lite's written reviews are positive against 33% of Box Fill 2's.

Electrical Calculator lite ships an update every 2 months, Box Fill 2 every 5 weeks. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Electrical Calculator lite | Box Fill 2 |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[4.6 (578 ratings)](https://appshunter.io/ios/app/electrical-calculator-lite/id922903696/reviews)** | [3.3 (3 ratings)](https://appshunter.io/ios/app/box-fill-2/id1589765411/reviews) |
| Number of ratings | **578** | 3 |
| Positive reviews | **39.4% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 18 MB | 19 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Snappy Appz Inc.](https://appshunter.io/developer/375591377) |

## 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

**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


### Box Fill 2

[App page](https://appshunter.io/ios/app/box-fill-2/id1589765411)

This utility app helps electricians and contractors perform precise electrical box fill calculations according to the latest codes. It also includes a comprehensive construction calculator for dimensional math, area, volume, and right-angle solutions.

**Highlights:** Electrical box fill calculations, Construction calculator, Dimensional math (feet-inches-fractions, metric), Area and volume calculations, Right-angle solutions, Shareable calculation reports, iCloud sync across devices

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

**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 Box Fill 2 free?

Box Fill 2 costs $3.99, with no in-app purchases.

### Which has better reviews, Electrical Calculator lite or Box Fill 2?

Electrical Calculator lite is rated higher. Electrical Calculator lite averages 4.6 out of 5 from 578 ratings, while Box Fill 2 averages 3.3 from 3 ratings.

### Do Electrical Calculator lite or Box Fill 2 have ads?

Neither Electrical Calculator lite nor Box Fill 2 shows ads.

### Which is updated more often, Electrical Calculator lite or Box Fill 2?

Electrical Calculator lite ships an update every 2 months, and Box Fill 2 every 5 weeks. Most recently, Electrical Calculator lite was updated on October 24, 2026 and Box Fill 2 on October 22, 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.*