# Notebook Calculator vs I'm Hero OBD2 Scanner

The clearest difference is price: I'm Hero OBD2 Scanner at Free against Notebook Calculator's $1.99. Notebook Calculator's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On ads and in-app purchases there is nothing between them.

I'm Hero OBD2 Scanner is free to download; Notebook Calculator costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Notebook Calculator | I'm Hero OBD2 Scanner |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 40 months | — |
| Monetization | Paid | — |
| Size | 4 MB | 2 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | +4 | 4+ |
| Developer | [俊 姜](https://appshunter.io/developer/974809005) | [Ruslan Korennoy](https://appshunter.io/developer/1848795604) |

## 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


### I'm Hero OBD2 Scanner

[App page](https://appshunter.io/ios/app/im-hero-obd2-scanner/id6786429613)

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

**In-app purchases:** none


## Frequently asked questions

### Is Notebook Calculator free?

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

### Is I'm Hero OBD2 Scanner free?

I'm Hero OBD2 Scanner is free to download, with no in-app purchases.

### Do Notebook Calculator or I'm Hero OBD2 Scanner have ads?

Neither Notebook Calculator nor I'm Hero OBD2 Scanner shows ads.

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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.*