# Magnetic Field Calc + vs ScanAce

The clearest difference is price: ScanAce at Free against Magnetic Field Calc +'s $2.99. ScanAce also leads on update cadence (every 4 months vs every 27 months). Magnetic Field Calc +'s advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

ScanAce is free to download; Magnetic Field Calc + costs $2.99 up front. ScanAce sells 2 in-app purchases, starting at $49.99 per month. Magnetic Field Calc + asks for nothing beyond the download.

Magnetic Field Calc + ships an update every 27 months, ScanAce every 4 months. The most recent releases landed on October 11, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Magnetic Field Calc + | ScanAce |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/magnetic-field-calc-plus/id1423005752/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 27 months | **Every 4 months** |
| Monetization | Paid | — |
| Size | 1 MB | 106 MB |
| Requires iOS | 17.6 | **16.6** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [ITS Geo Solutions GmbH](https://appshunter.io/developer/1362963860) |

## What reviewers say

### 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


### ScanAce

[App page](https://appshunter.io/ios/app/scanace/id1545231520)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Professional - Monthly | $49.99 | per month |
| Professional - Annual | $399.99 | per year |


## Frequently asked questions

### Is Magnetic Field Calc + free?

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

### Is ScanAce free?

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

### Do Magnetic Field Calc + or ScanAce have ads?

Neither Magnetic Field Calc + nor ScanAce shows ads.

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

Magnetic Field Calc + ships an update every 27 months, and ScanAce every 4 months. Most recently, Magnetic Field Calc + was updated on October 11, 2026 and ScanAce on October 25, 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.*