# Bode Plot Calculator vs Kenbak

The clearest difference is price: Kenbak at Free against Bode Plot Calculator's $3.99. Kenbak also leads on update cadence (every 3 weeks vs every 12 months). Bode Plot Calculator's advantage is device support (3 vs 1) and iOS requirement (15 vs 17.0). On ads and in-app purchases there is nothing between them.

Kenbak is free to download; Bode Plot Calculator costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Bode Plot Calculator ships an update every 12 months, Kenbak every 3 weeks. The most recent releases landed on September 21, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Bode Plot Calculator | Kenbak |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 9 MB | 26 MB |
| Requires iOS | **15** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Edoardo Orzes](https://appshunter.io/developer/1665361246) | [Takhir Zakirov](https://appshunter.io/developer/1717448184) |

## 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


### Kenbak

[App page](https://appshunter.io/ios/app/kenbak-1/id6744865263)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bode Plot Calculator free?

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

### Is Kenbak free?

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

### Do Bode Plot Calculator or Kenbak have ads?

Neither Bode Plot Calculator nor Kenbak shows ads.

### Which is updated more often, Bode Plot Calculator or Kenbak?

Bode Plot Calculator ships an update every 12 months, and Kenbak every 3 weeks. Most recently, Bode Plot Calculator was updated on September 21, 2026 and Kenbak on September 9, 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.*