# Hacker Note vs Calculator + Formula & History

The clearest difference is price: Calculator + Formula & History at Free against Hacker Note's $9.99. Hacker Note's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

Calculator + Formula & History is free to download; Hacker Note costs $9.99 up front. Calculator + Formula & History sells 1 one-off in-app purchase. Hacker Note asks for nothing beyond the download.

Hacker Note ships an update fortnightly, Calculator + Formula & History monthly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Hacker Note | Calculator + Formula & History |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Paid | — |
| Size | 36 MB | 25 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [yuki okada](https://appshunter.io/developer/1505937141) | [IPPEI NAGAMINE](https://appshunter.io/developer/1860723239) |

## What reviewers say

### Hacker Note

[App page](https://appshunter.io/ios/app/hacker-note-cool-design/id1541110936)

This note-taking app offers a unique "coolness" with a design inspired by hackers and sci-fi movies. Enjoy a futuristic feel with a transparent background option and customizable themes. It includes essential features like categorization, password protection, and cloud backup.

**Highlights:** High-performance and simple functionality, Transparent app background, Theme color customization, Category management, HTML and Markdown output, Password protection, Google Drive backup

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

**In-app purchases:** none


### Calculator + Formula & History

[App page](https://appshunter.io/ios/app/calculator-plus-formula-and-history/id6757658561)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Hacker Note free?

Hacker Note costs $9.99, with no in-app purchases.

### Is Calculator + Formula & History free?

Calculator + Formula & History is free to download, with in-app purchases available.

### Do Hacker Note or Calculator + Formula & History have ads?

Calculator + Formula & History shows ads; Hacker Note does not.

### Which is updated more often, Hacker Note or Calculator + Formula & History?

Hacker Note ships an update fortnightly, and Calculator + Formula & History monthly. Most recently, Hacker Note was updated on November 3, 2026 and Calculator + Formula & History on November 5, 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.*