# Electronic Circuit Calculator vs SATGUARD GPS

The clearest difference is in-app purchases: SATGUARD GPS at none against Electronic Circuit Calculator's 1. SATGUARD GPS also leads on ads (none vs shown). Electronic Circuit Calculator's advantage is update cadence (every 2 months vs every 36 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Electronic Circuit Calculator sells 1 one-off in-app purchase. SATGUARD GPS asks for nothing beyond the download.

Electronic Circuit Calculator ships an update every 2 months, SATGUARD GPS every 36 months. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Electronic Circuit Calculator | SATGUARD GPS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (5 ratings)](https://appshunter.io/ios/app/electronic-circuit-calculator/id1583972990/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 11.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 36 months |
| Monetization | Free | — |
| Size | 37 MB | 80 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Anas Abubakar](https://appshunter.io/developer/1581534101) | [Tamilarasan Kannan](https://appshunter.io/developer/1500116258) |

## What reviewers say

### Electronic Circuit Calculator

[App page](https://appshunter.io/ios/app/electronic-circuit-calculator/id1583972990)

This app provides a comprehensive suite of calculators and design tools for electronic engineering. It assists with circuit design, filter analysis, and component calculations for resistors, capacitors, and inductors. Ideal for both professionals and students, it simplifies complex electronic projects.

**Highlights:** Comprehensive calculator collection, Filter design with graph plotting, Resistor, transistor, capacitor design tools, Amplifier and inductor design, Circuit analysis and design, Offline functionality

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to the Pro version | $3.99 | one-time |


### SATGUARD GPS

[App page](https://appshunter.io/ios/app/satguard-gps/id1671702939)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Electronic Circuit Calculator free?

Electronic Circuit Calculator is free to download, with in-app purchases available.

### Is SATGUARD GPS free?

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

### Do Electronic Circuit Calculator or SATGUARD GPS have ads?

Electronic Circuit Calculator shows ads; SATGUARD GPS does not.

### Which is updated more often, Electronic Circuit Calculator or SATGUARD GPS?

Electronic Circuit Calculator ships an update every 2 months, and SATGUARD GPS every 36 months. Most recently, Electronic Circuit Calculator was updated on November 6, 2026 and SATGUARD GPS on October 30, 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.*