Hacker Note vs Calculator + Formula & History
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hacker Note
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.
- High-performance and simple functionality
- Transparent app background
- Theme color customization
- Category management
- HTML and Markdown output
- Password protection
- Google Drive backup
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Recommended for those who are tired of general Note Taking apps. Hacker Note is a simple Note Taking App that pursues "coolness". The design is based on the image of "hackers," "sci-fi movies". example "The Matrix". It is also equipped with a function that makes app background look transparent, so you can enjoy a sense of the near future while taking notes, which is different from ordinary memos. [Main functions] ・ High-performance and simple function ・ Background transparency function ・ Theme color change function ・ Category function ・Output function to HTML and markdown ・ Password setting ・ Backup to Google Drive ・Cool Japanese mode - For cool Japanese displays such as kanji. [Features to be expanded in the future] ・ A cooler color theme
Calculator + Formula & History
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A clear, easy-to-use calculator that keeps your calculation history visible. Key features • See past expressions and results • Tap a history item to reuse its result • Rotate to landscape for scientific functions • Tap the display to copy an expression or result • Turn keypad sounds on or off The free version contains ads. Complete an optional reward video for 24 hours without ads, or make the one-time Premium purchase to remove ads permanently. Check the store for your local purchase price.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Hacker Note | Calculator + Formula & History |
|---|---|---|
| Price | $9.99 | Free — better |
| Positive reviews | 85.7% of reviews | — |
| Update frequency | Fortnightly — better | Monthly |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 36 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | yuki okada | IPPEI NAGAMINE |
In-app purchases
Hacker Note
No in-app purchases
Calculator + Formula & History
- Remove Ads$2.99
Questions
Is Hacker Note free?
Is Calculator + Formula & History free?
Do Hacker Note or Calculator + Formula & History have ads?
Which is updated more often, Hacker Note or Calculator + Formula & History?
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