# DigiCompCalc vs Inductor Calculator Master

The clearest difference is in-app purchases: DigiCompCalc at none against Inductor Calculator Master's 2. DigiCompCalc also leads on ads (none vs shown). Inductor Calculator Master's advantage is update cadence (daily vs every 68 months) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. Inductor Calculator Master sells 2 one-off in-app purchases. DigiCompCalc asks for nothing beyond the download.

DigiCompCalc ships an update every 68 months, Inductor Calculator Master daily. The most recent releases landed on October 22, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | DigiCompCalc | Inductor Calculator Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/digicompcalc/id559620424/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 68 months | **Daily** |
| Monetization | Free | — |
| Size | 1 MB | 33 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ernie Zappacosta](https://appshunter.io/developer/509385502) | [Le Minh Tran](https://appshunter.io/developer/1896777000) |

## What reviewers say

### DigiCompCalc

[App page](https://appshunter.io/ios/app/digicompcalc/id559620424)

This utility app simplifies digital power compensator coefficient calculations. It allows users to input data and obtain results directly on their mobile device, eliminating the need for complex desktop software. Results can be emailed for easy sharing.

**Highlights:** Calculate coefficients from analog compensator values, Calculate coefficients directly using poles and zeros, Email results, Remembers last calculated variables, Dark Mode support

**Features:** macOS Compatibility

**In-app purchases:** none


### Inductor Calculator Master

[App page](https://appshunter.io/ios/app/inductor-calculator-master/id6772124135)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| Premium Upgrade | $1.99 | one-time |


## Frequently asked questions

### Is DigiCompCalc free?

DigiCompCalc is free to download, with no in-app purchases.

### Is Inductor Calculator Master free?

Inductor Calculator Master is free to download, with in-app purchases available.

### Do DigiCompCalc or Inductor Calculator Master have ads?

Inductor Calculator Master shows ads; DigiCompCalc does not.

### Which is updated more often, DigiCompCalc or Inductor Calculator Master?

DigiCompCalc ships an update every 68 months, and Inductor Calculator Master daily. Most recently, DigiCompCalc was updated on October 22, 2026 and Inductor Calculator Master on October 21, 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.*