# Bode Plot Calculator vs Circuit Simulator bitGateLab

The clearest difference is price: Circuit Simulator bitGateLab at Free against Bode Plot Calculator's $3.99. Circuit Simulator bitGateLab also leads on update cadence (every 3 days vs every 12 months). Bode Plot Calculator's advantage is in-app purchases (none vs 3) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Circuit Simulator bitGateLab is free to download; Bode Plot Calculator costs $3.99 up front. Circuit Simulator bitGateLab sells 3 in-app purchases, starting at $1.99 per month. Bode Plot Calculator asks for nothing beyond the download.

Bode Plot Calculator ships an update every 12 months, Circuit Simulator bitGateLab every 3 days. Both last shipped on November 6, 2026.

## The numbers

| Metric | Bode Plot Calculator | Circuit Simulator bitGateLab |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bode-plot-calculator/id6496601138/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Every 3 days** |
| Monetization | Paid | — |
| Size | 9 MB | 57 MB |
| Requires iOS | 15 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Edoardo Orzes](https://appshunter.io/developer/1665361246) | [RUBEN ESTRADA MARMOLEJO](https://appshunter.io/developer/6811264011) |

## What reviewers say

### Bode Plot Calculator

[App page](https://appshunter.io/ios/app/bode-plot-calculator/id6496601138)

This advanced calculator is designed for creating Bode plots and Nyquist diagrams. It also supports complex number calculations and time-domain graphing. Users can export plots and calculations for further analysis.

**Highlights:** Bode Plot generation, Nyquist Diagram visualization, Complex number calculations, Time-domain graphing, Export plots and calculations, Intuitive interface with themes, Sliders for real-time parameter changes

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

**In-app purchases:** none


### Circuit Simulator bitGateLab

[App page](https://appshunter.io/ios/app/circuit-simulator-bitgatelab/id6821818680)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| bitGateLab Circuits Monthly | $1.99 | per month |
| bitGateLab Circuits Annual | $14.99 | per year |
| bitGateLab Circuits Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Bode Plot Calculator free?

Bode Plot Calculator costs $3.99, with no in-app purchases.

### Is Circuit Simulator bitGateLab free?

Circuit Simulator bitGateLab is free to download, with in-app purchases available.

### Do Bode Plot Calculator or Circuit Simulator bitGateLab have ads?

Circuit Simulator bitGateLab shows ads; Bode Plot Calculator does not.

### Which is updated more often, Bode Plot Calculator or Circuit Simulator bitGateLab?

Bode Plot Calculator ships an update every 12 months, and Circuit Simulator bitGateLab every 3 days. Most recently, Bode Plot Calculator was updated on November 6, 2026 and Circuit Simulator bitGateLab on November 6, 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.*