# Electrical Engineering vs WS Drill Bits

The clearest difference is in-app purchases: WS Drill Bits at none against Electrical Engineering's 2. WS Drill Bits also leads on ads (none vs shown) and rating (5.0 vs 4.7). Electrical Engineering's advantage is ratings volume (252 vs 2) and update cadence (every 4 months vs every 16 months). On price and device support there is nothing between them.

Both are free to download. Electrical Engineering sells 2 one-off in-app purchases. WS Drill Bits asks for nothing beyond the download.

WS Drill Bits holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Electrical Engineering has 252 ratings behind it against 2, so its average is the more settled of the two.

Electrical Engineering ships an update every 4 months, WS Drill Bits every 16 months. The most recent releases landed on September 27, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | Electrical Engineering | WS Drill Bits |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (252 ratings)](https://appshunter.io/ios/app/electrical-engineering-lite/id929996924/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ws-drill-bits/id1453137463/reviews)** |
| Number of ratings | **252** | 2 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 months** | Every 16 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 49 MB | 57 MB |
| Requires iOS | 17.6 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Rein Rapp](https://appshunter.io/developer/1031133571) |

## What reviewers say

### Electrical Engineering

[App page](https://appshunter.io/ios/app/electrical-engineering-lite/id929996924)

This app offers a comprehensive suite of electrical calculations and conversions for professionals and students. It handles diverse units and provides precise results for various electrical engineering tasks, including voltage, current, power, and more.

**Highlights:** 60 Electrical Calculators, 16 Electrical Converters, Voltage, Current, Resistance, Power calculations, kVA to Amps and Amps to kVA conversions, Single and Three Phase Power calculations, Star to Delta & Delta to Star conversions, Unit handling for diverse electrical measurements

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

**In-app purchases (2)**

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


### WS Drill Bits

[App page](https://appshunter.io/ios/app/ws-drill-bits/id1453137463)

This application serves machinists, designers, and manufacturing personnel with essential drill bit calculations. It features a comprehensive drill size chart with decimal equivalents, a calculator for optimal speeds and feeds across various materials, and a tool for determining drill point depth based on angle.

**Highlights:** Drill size and decimal equivalent chart, Fast vertical scrolling with color-coded values, Sliding scale for quick list navigation, Speeds and feeds calculator for various materials, Drill point depth calculator, Supports metric and inch measurements

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Electrical Engineering free?

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

### Is WS Drill Bits free?

WS Drill Bits is free to download, with no in-app purchases.

### Which has better reviews, Electrical Engineering or WS Drill Bits?

WS Drill Bits is rated higher. Electrical Engineering averages 4.7 out of 5 from 252 ratings, while WS Drill Bits averages 5.0 from 2 ratings.

### Do Electrical Engineering or WS Drill Bits have ads?

Electrical Engineering shows ads; WS Drill Bits does not.

### Which is updated more often, Electrical Engineering or WS Drill Bits?

Electrical Engineering ships an update every 4 months, and WS Drill Bits every 16 months. Most recently, Electrical Engineering was updated on September 27, 2026 and WS Drill Bits on June 10, 2026.

---

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