Comparison

Hacker Note vs Calculator + Formula & History

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • High-performance and simple functionality
  • Transparent app background
  • Theme color customization
  • Category management
  • HTML and Markdown output
  • Password protection
  • Google Drive backup
Features
Read full description

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

About

Calculator + Formula & History

Features
Read full description

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

Hacker Note4 screens
Calculator + Formula & History2 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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

Scorecard5 real differences · 3 level
Hacker Note versus Calculator + Formula & History: the parameters behind the verdict, then further details
ParameterHacker NoteCalculator + Formula & History
Price$9.99Free — better
Positive reviews85.7% of reviews—
Update frequencyFortnightly — betterMonthly
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size36 MB25 MB
Age rating4+4+
Developeryuki okadaIPPEI NAGAMINE

In-app purchases

None

Hacker Note

No in-app purchases

1 purchases

Calculator + Formula & History

One-time1
  • Remove Ads$2.99

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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