# Notebook Calculator vs Calculator for Complex Field

The clearest difference is price: Calculator for Complex Field at Free against Notebook Calculator's $1.99. Calculator for Complex Field also leads on update cadence (fortnightly vs every 40 months). Notebook Calculator's advantage is iOS requirement (15.6 vs 17.0). On review sentiment, ads, in-app purchases and device support there is nothing between them.

Calculator for Complex Field is free to download; Notebook Calculator costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Notebook Calculator ships an update every 40 months, Calculator for Complex Field fortnightly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Notebook Calculator | Calculator for Complex Field |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/calculator-for-complex-field/id6502463794/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 40 months | **Fortnightly** |
| Monetization | Paid | **Free** |
| Size | 4 MB | 1 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [俊 姜](https://appshunter.io/developer/974809005) | [Jongseung Park](https://appshunter.io/developer/1745560101) |

## What reviewers say

### Notebook Calculator

[App page](https://appshunter.io/ios/app/notebook-calculator/id1169182532)

This app functions as a powerful calculator with a notebook interface, allowing users to write, edit, save, and graph complex calculations. It supports a wide range of mathematical and statistical functions, including scientific and complex number calculations, with features like copy, cut, and paste for easy editing.

**Highlights:** Notebook interface for calculations, Edit, save, and graph history, Scientific and graphic calculator functions, Complex number calculations, Extensive mathematical functions, Statistical functions, File management for calculations

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

**In-app purchases:** none


### Calculator for Complex Field

[App page](https://appshunter.io/ios/app/calculator-for-complex-field/id6502463794)

Input natural math expressions and get instant results on a separate line, allowing for easy revisions. Save up to 20 inputs and incorporate saved answers into new expressions. Supports complex field calculations with adjustable decimal digits and three output formats.

**Highlights:** Natural math expression input, Automatic result display, Input revision for updated results, Save and reuse up to 20 inputs, Incorporate saved answers into expressions, Complex field calculations, Adjustable decimal digits, Three output formats (Fixed, Scientific, Engineering)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Notebook Calculator free?

Notebook Calculator costs $1.99, with no in-app purchases.

### Is Calculator for Complex Field free?

Calculator for Complex Field is free to download, with no in-app purchases.

### Do Notebook Calculator or Calculator for Complex Field have ads?

Neither Notebook Calculator nor Calculator for Complex Field shows ads.

### Which is updated more often, Notebook Calculator or Calculator for Complex Field?

Notebook Calculator ships an update every 40 months, and Calculator for Complex Field fortnightly. Most recently, Notebook Calculator was updated on October 24, 2026 and Calculator for Complex Field on October 24, 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.*