# Bode & Nyquist vs MOMOTODO

The clearest difference is price: MOMOTODO at Free against Bode & Nyquist's $5.99. MOMOTODO also leads on update cadence (every 4 days vs every 7 months). Bode & Nyquist's advantage is in-app purchases (none vs 3) and iOS requirement (16.6 vs 18.0). On ads and device support there is nothing between them.

MOMOTODO is free to download; Bode & Nyquist costs $5.99 up front. MOMOTODO sells 3 one-off in-app purchases. Bode & Nyquist asks for nothing beyond the download.

Bode & Nyquist ships an update every 7 months, MOMOTODO every 4 days. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Bode & Nyquist | MOMOTODO |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 days** |
| Monetization | Paid | — |
| Size | 1 MB | 45 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fabrizio Boco](https://appshunter.io/developer/466239616) | [卓 孔](https://appshunter.io/developer/6790232068) |

## What reviewers say

### Bode & Nyquist

[App page](https://appshunter.io/ios/app/bode-and-nyquist/id445573307)

Visualize Bode and Nyquist diagrams for transfer functions. Automatically evaluates system stability, displaying key metrics like gain, phase margins, and encirclements. Offers interactive graph manipulation and an integrated help manual.

**Highlights:** Plot Bode and Nyquist diagrams, Evaluate system stability, Display gain and phase margins, Show encirclements of -1+j0, Interactive graph gestures (drag, pinch, double tap), Adjust frequency ranges, Integrated online help

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

**In-app purchases:** none


### MOMOTODO

[App page](https://appshunter.io/ios/app/momotodo/id6790333388)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MOMOTODO Pro 3 天体验 | Free | one-time |
| MOMOTODO Pro Lifetime | $3.99 | one-time |
| MOMOTODO Pro 永久版 | $6.99 | one-time |


## Frequently asked questions

### Is Bode & Nyquist free?

Bode & Nyquist costs $5.99, with no in-app purchases.

### Is MOMOTODO free?

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

### Do Bode & Nyquist or MOMOTODO have ads?

Neither Bode & Nyquist nor MOMOTODO shows ads.

### Which is updated more often, Bode & Nyquist or MOMOTODO?

Bode & Nyquist ships an update every 7 months, and MOMOTODO every 4 days. Most recently, Bode & Nyquist was updated on October 7, 2026 and MOMOTODO on October 15, 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.*