Comparison

Calctan vs High Precision Calc

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

Head to head
About

Calctan

This sophisticated calculator app offers a minimalist design with advanced mathematical functions and extensive personalization options. It seamlessly syncs across devices and includes multitasking features for enhanced productivity.

Highlights
  • Intuitive minimalist design
  • 100+ customizable themes
  • 47 advanced mathematical functions
  • Automatic calculation history
  • iCloud sync across devices
  • Split Screen and Swipe Mode multitasking
  • Share calculations easily
Features
Read full description

Calctan is a sophisticated calculator app designed for iOS devices (iPhone and iPad), celebrated for its elegant, minimalist design and robust functionality that surpasses traditional calculators. Tailored for students, professionals in mathematics, physics, engineering, and anyone seeking a highly customizable and intuitive calculation tool, Calctan combines advanced mathematical capabilities with a seamless user experience. Its sleek interface and extensive personalization options make it both a practical tool and a visually appealing addition to your device. The app’s commitment to user-centric design is evident in its seamless integration with iOS ecosystems. With iCloud sync, your calculations and preferences are always up-to-date, whether you’re switching between devices or collaborating on the go. Features like Split Screen and Swipe Mode empower iPad users to maximize productivity, while the ability to share calculations fosters effortless communication. Calctan is more than a calculator—it’s a dynamic, adaptable tool that elevates your calculation experience with style, precision, and efficiency. Key Features: 1. Intuitive Design: Calctan’s clean, minimalistic interface prioritizes usability, presenting essential calculator elements in a clear, distraction-free layout that ensures effortless navigation and operation. 2. Personalized Interface: Choose from 100 pre-installed themes or craft a unique look with a custom color picker. Fine-tune button corner radius, spacing, and layout to optimize comfort and readability, allowing the app to reflect your personal style. 3. Advanced Math: Access 47 powerful functions, including trigonometric operations (sine, cosine, tangent, and their inverses), percentages for budgeting, exponents, logarithms (base-10, natural, base-2), and roots (square, cube). Switch between degrees and radians, compute factorials for permutations, or use absolute values and reciprocals—perfect for scientific, technical, and financial calculations. 4. Calculation History: Automatically saves and organizes your calculations, enabling you to revisit, edit, or reuse past results with ease, streamlining complex workflows. 5. iCloud Sync: Seamlessly syncs calculations and customizations across your iPhone and iPad, ensuring a consistent and cohesive experience across all your devices. 6. Multitasking Modes: - Split Screen Mode: On iPad, use Calctan alongside another app, such as performing calculations while referencing a document or spreadsheet. - Swipe Mode: Access a second app at the bottom of the screen while keeping Calctan active at the top, enhancing productivity for multitasking users. 7. Share Calculations: Share results effortlessly via email, text, or other apps, making collaboration and communication quick and convenient. Additional Highlights: • Library of basic mathematical constants • Random color theme generator for creative inspiration • Engaging sounds and animations for a dynamic user experience • Adjustable decimal places, currency symbols, and thousands separators • Dark Mode support for comfortable use in low-light environments • Comprehensive settings menu for full control over app preferences • Detailed user manual for easy onboarding and reference

About

High Precision Calc

Read full description

The high-precision calculator supports up to 100,000 precision calculations, rich system functions, variable management, and complex dimension operations. 【High-precision calculation】 Support up to 100,000 precision calculation, and the calculation accuracy can be dynamically modified. 【Variable Management】 Provide variable storage function, which can store intermediate calculation results, and import and export with one click when applying, so as to easily grasp the calculation results. 【System Functions】 Support rich system functions, covering basic mathematical applications, including trigonometric functions, exponential functions, basic mathematical functions, etc. 【Complex number operation】 Complex dimension operations are supported, and system functions are compatible with complex number operations.

Screenshots

Calctan4 screens
High Precision Calc4 screens

Verdict

The call

The clearest difference is price: Calctan at Free against High Precision Calc's $1.99. High Precision Calc's advantage is in-app purchases (none vs 1) and ads (none vs shown).

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

Calctan is free to download; High Precision Calc costs $1.99 up front. Calctan sells 1 one-off in-app purchase. High Precision Calc asks for nothing beyond the download.

UpkeepUpdate frequency

Calctan ships an update every 3 months, High Precision Calc fortnightly. The most recent releases landed on October 11, 2026 and October 4, 2026 respectively.

Scorecard6 real differences · 4 level
Calctan versus High Precision Calc: the parameters behind the verdict, then further details
ParameterCalctanHigh Precision Calc
PriceFree — better$1.99
Rating4.5 (61 ratings) — better—
Positive reviews28.6% of reviews—
Number of ratings61 — better—
Update frequencyEvery 3 monthsFortnightly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod, Mac — better
Requires iOS16.613 — better
Further details — not scored
Size11 MB37 MB
Age rating4+4+
DeveloperJorge Lozada嘉欣 胡

In-app purchases

1 purchases

Calctan

One-time1
  • No Ads$9.99
None

High Precision Calc

No in-app purchases

Questions

Is Calctan free?
Calctan is free to download, with in-app purchases available.
Is High Precision Calc free?
High Precision Calc costs $1.99, with no in-app purchases.
Do Calctan or High Precision Calc have ads?
Calctan shows ads; High Precision Calc does not.
Which is updated more often, Calctan or High Precision Calc?
Calctan ships an update every 3 months, and High Precision Calc fortnightly. Most recently, Calctan was updated on October 11, 2026 and High Precision Calc on October 4, 2026.

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