Comparison

Eureka Calculator vs Quick Formula Calculator

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

Head to head
About

Eureka Calculator

This app is a mobile mathematical programming environment that brings advanced computing power and flexibility to your device. It features a natural symbolic language and an intuitive interface for efficient formula writing and programming.

Highlights
  • Advanced mathematical functions
  • Customizable interface
  • Natural symbolic language (Magic)
  • Intuitive keyboard
  • Efficient programming tool
Features
Read full description

Amazing new mathematical programming tool. Now in offer: 50% off. Eureka is a mathematical programming environment that is able to transfer the characteristics of the most sophisticated programming languages to your personal mobile device (iPhone, iPad) Eureka will prove to be invaluable to your work because of its: • Computing power. It comes with basic and advanced mathematical functions from the most sophisticated libraries. • Flexibility. It can be customised and fully adapted to meet your technical and scientific needs as it can be configured to show the functions that you need for your job and hides those that you do not. • Naturalness. Eureka uses a symbolic language designed and developed in-house called Magic that enables formulae to be written naturally, that is, it uses generally accepted mathematical notation and symbols, which makes formulations extraordinarily natural, easy to use and read. • Ease of use. Its natural language, symbolic representations, meticulously designed keyboard – divided into readily accessible and intuitive panels, its customisable settings and flexibility mean that the system is easy to use and quick to program, all of which makes it a simple and efficient tool.

About

Quick Formula Calculator

Create custom calculators for any purpose, from academic studies to financial planning. Define variables, functions, and units for precise results. Organize and save your formulas with ease, and access a built-in date calculator for planning.

Highlights
  • Build custom calculators
  • Define variables and units
  • Use common math functions
  • Organize formulas with tags
  • Automatic calculation history
  • Built-in date calculator
Features
Read full description

Turn any idea into a calculator you can trust. Formula Calculator lets you build custom calculators with variables, functions and units—perfect for study, engineering, finance, science and daily life. 【Core Features】 • Build Your Own Calculators - Define inputs with friendly names and default values - Choose units (kg, m, USD, etc.) for clear results - Write expressions using common math functions - Control decimal places for precise outputs - Preview results instantly while typing • Organize Everything - Use tags to group formulas (geometry, statistics, BMI, physics, finance) - Search across all formulas in seconds - Sort by name, time, or custom order - Reuse sub-formulas to keep complex projects tidy • Never Lose Your Work - Every calculation saved to History automatically - Recalculate with one tap - Export data when needed - Keep progress across sessions • Built-in Date Calculator - Find days before/after any date - Calculate the number of days between two dates - Perfect for planning and deadlines 【Perfect For】 - Students - Geometry, physics, statistics calculations - Engineers - Custom engineering formulas - Finance - Compound interest, ROI, loan calculations - Daily Life - BMI, cooking conversions, date planning Clean design, instant feedback, and powerful tools make this the one "formula calculator" you'll use every day. Build once, use forever.

Screenshots

Eureka Calculator3 screens
Quick Formula Calculator4 screens

Verdict

The call

The clearest difference is rating: Eureka Calculator at 5.0 against Quick Formula Calculator's 2.0. Eureka Calculator also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.6). Quick Formula Calculator's advantage is update cadence (monthly vs every 17 months). On price, ratings volume, in-app purchases and monetization model 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

Both are free to download. Eureka Calculator sells 2 one-off in-app purchases and Quick Formula Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Eureka Calculator holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Eureka Calculator ships an update every 17 months, Quick Formula Calculator monthly. The most recent releases landed on October 7, 2026 and October 22, 2026 respectively.

Scorecard4 real differences · 6 level
Eureka Calculator versus Quick Formula Calculator: the parameters behind the verdict, then further details
ParameterEureka CalculatorQuick Formula Calculator
PriceFreeFree
Rating5.0 (1 ratings) — better2.0 (1 ratings)
Positive reviews—75.0% of reviews
Number of ratings11
Update frequencyEvery 17 monthsMonthly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.6
Further details — not scored
Size2 MB32 MB
Age rating4+4+
DeveloperTomas Crespo庆鸿 林

Customer experience

Eureka Calculator

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Quick Formula Calculator

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

In-app purchases

2 purchases

Eureka Calculator

One-time2
  • Premium option for iPhone$4.99
  • Premium option for iPad$9.99
1 purchases

Quick Formula Calculator

One-time1
  • Lifetime Membership$9.99

Questions

Is Eureka Calculator free?
Eureka Calculator is free to download, with in-app purchases available.
Is Quick Formula Calculator free?
Quick Formula Calculator is free to download, with in-app purchases available.
Which has better reviews, Eureka Calculator or Quick Formula Calculator?
Eureka Calculator is rated higher. Eureka Calculator averages 5.0 out of 5 from 1 ratings, while Quick Formula Calculator averages 2.0 from 1 ratings.
Do Eureka Calculator or Quick Formula Calculator have ads?
Quick Formula Calculator shows ads; Eureka Calculator does not.
Which is updated more often, Eureka Calculator or Quick Formula Calculator?
Eureka Calculator ships an update every 17 months, and Quick Formula Calculator monthly. Most recently, Eureka Calculator was updated on October 7, 2026 and Quick Formula Calculator on October 22, 2026.

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