# Voltage Divider vs Magnetic Field Calc +

The clearest difference is rating: Magnetic Field Calc + at 4.0 against Voltage Divider's 2.7. Voltage Divider's advantage is ratings volume (3 vs 1) and price ($1.99 vs $2.99). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

Voltage Divider costs $1.99 and Magnetic Field Calc + $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Magnetic Field Calc + holds the better App Store score, 4.0 against 2.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Voltage Divider ships an update every 48 months, Magnetic Field Calc + every 27 months. The most recent releases landed on October 23, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Voltage Divider | Magnetic Field Calc + |
| --- | --- | --- |
| Price | **$1.99** | $2.99 |
| Rating | [2.7 (3 ratings)](https://appshunter.io/ios/app/voltage-divider/id372094728/reviews) | **[4.0 (1 ratings)](https://appshunter.io/ios/app/magnetic-field-calc-plus/id1423005752/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 55.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 48 months | **Every 27 months** |
| Monetization | Paid | Paid |
| Size | 1 MB | 1 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ditty Labs, LLC](https://appshunter.io/developer/420813089) | [Nitrio](https://appshunter.io/developer/321121189) |

## What reviewers say

### Voltage Divider

[App page](https://appshunter.io/ios/app/voltage-divider/id372094728)

This engineering utility calculates unknown values in a voltage divider circuit. It can solve for voltages or resistor values, displaying ideal and actual resistor options. It also shows current, power, and voltage tolerance.

**Highlights:** Solves for Vin, Vout, R1, or R2, Resistor picker with actual values, Displays ideal resistor value, Calculates voltage tolerance, Shows current and power consumption

**Features:** macOS Compatibility

**In-app purchases:** none


### Magnetic Field Calc +

[App page](https://appshunter.io/ios/app/magnetic-field-calc-plus/id1423005752)

Calculate magnetic fields from electric currents with four distinct modes. Solve for any variable, visualize with interactive diagrams, and utilize flexible unit support. Works offline for convenience.

**Highlights:** Four calculation modes (Straight Wire, Loop, Solenoid, Toroid), Solve for any variable (field, current, distance, etc.), Interactive 2D diagrams, Flexible unit support (A, mA, m, cm, mm, T, µT, Gauss), Built-in reference sheet, Save and copy calculations, Offline functionality

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Voltage Divider free?

Voltage Divider costs $1.99, with no in-app purchases.

### Is Magnetic Field Calc + free?

Magnetic Field Calc + costs $2.99, with no in-app purchases.

### Which has better reviews, Voltage Divider or Magnetic Field Calc +?

Magnetic Field Calc + is rated higher. Voltage Divider averages 2.7 out of 5 from 3 ratings, while Magnetic Field Calc + averages 4.0 from 1 ratings.

### Do Voltage Divider or Magnetic Field Calc + have ads?

Neither Voltage Divider nor Magnetic Field Calc + shows ads.

### Which is updated more often, Voltage Divider or Magnetic Field Calc +?

Voltage Divider ships an update every 48 months, and Magnetic Field Calc + every 27 months. Most recently, Voltage Divider was updated on October 23, 2026 and Magnetic Field Calc + on October 11, 2026.

---

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