# Voltage Drop Calculators vs Huge Digital Clock Pro

The clearest difference is price: Huge Digital Clock Pro at Free against Voltage Drop Calculators's $3.99. Huge Digital Clock Pro also leads on rating (5.0 vs 3.7) and update cadence (every 2 weeks vs every 7 months). Voltage Drop Calculators's advantage is in-app purchases (none vs 3) and ratings volume (3 vs 1). On ads, device support and iOS requirement there is nothing between them.

Huge Digital Clock Pro is free to download; Voltage Drop Calculators costs $3.99 up front. Huge Digital Clock Pro sells 3 in-app purchases, starting at $1.49 per month. Voltage Drop Calculators asks for nothing beyond the download.

Huge Digital Clock Pro holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Voltage Drop Calculators ships an update every 7 months, Huge Digital Clock Pro every 2 weeks. The most recent releases landed on September 9, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Voltage Drop Calculators | Huge Digital Clock Pro |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/voltage-drop-calculators/id6464050324/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/huge-digital-clock-pro/id6756796753/reviews)** |
| Number of ratings | **3** | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 weeks** |
| Monetization | Paid | **Freemium** |
| Size | 46 MB | 68 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kantaben Gorasiya](https://appshunter.io/developer/1640260396) | [Krypt](https://appshunter.io/developer/1705762765) |

## What reviewers say

### Voltage Drop Calculators

[App page](https://appshunter.io/ios/app/voltage-drop-calculators/id6464050324)

This tool helps electrical professionals and students perform quick and accurate voltage drop calculations. It features a user-friendly interface, a material database, and the ability to save circuit details for efficient system design and compliance.

**Highlights:** Fast voltage drop calculations, Built-in material database, Custom material support, Save circuit details, Unit conversion, Recommended wire size guidance

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

**In-app purchases:** none


### Huge Digital Clock Pro

[App page](https://appshunter.io/ios/app/huge-digital-clock-pro/id6756796753)

Transform your device into a large, customizable digital clock. Features include spoken time announcements, always-on display, and a nightstand mode with adjustable brightness. Personalize with vibrant themes and neon colors to match your style.

**Highlights:** Large digital display, Spoken time announcements, Always-on mode, Customizable themes and colors, Nightstand mode, Home screen widgets, Precision seconds display

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-Free Monthly | $1.49 | per month |
| Premium Monthly | $1.99 | per month |
| Premium Yearly | $15.99 | per year |


## Frequently asked questions

### Is Voltage Drop Calculators free?

Voltage Drop Calculators costs $3.99, with no in-app purchases.

### Is Huge Digital Clock Pro free?

Huge Digital Clock Pro is free to download, with in-app purchases available.

### Which has better reviews, Voltage Drop Calculators or Huge Digital Clock Pro?

Huge Digital Clock Pro is rated higher. Voltage Drop Calculators averages 3.7 out of 5 from 3 ratings, while Huge Digital Clock Pro averages 5.0 from 1 ratings.

### Do Voltage Drop Calculators or Huge Digital Clock Pro have ads?

Neither Voltage Drop Calculators nor Huge Digital Clock Pro shows ads.

### Which is updated more often, Voltage Drop Calculators or Huge Digital Clock Pro?

Voltage Drop Calculators ships an update every 7 months, and Huge Digital Clock Pro every 2 weeks. Most recently, Voltage Drop Calculators was updated on September 9, 2026 and Huge Digital Clock Pro on September 11, 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.*