Comparison

Smart Calculator· vs NibbleCalc

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

Head to head
About

Smart Calculator·

This app offers a comprehensive suite of mathematical calculation tools, from basic arithmetic to advanced calculus and matrix operations. It also includes unit conversions and saves your calculation history for easy review. Personalize your experience with themes and night mode.

Highlights
  • Comprehensive calculation functions
  • Advanced mathematical operations
  • Unit conversion
  • Calculation history
  • Personalized themes and night mode
Features
Read full description

Smart Calculator is a powerful mathematical tool that integrates a range of complex computing functions into a simple and user-friendly interface. Whether you encounter mathematical calculation problems in your studies, work, or daily life, this calculator can provide timely and accurate solutions. Main features: Comprehensive calculation functions: including basic four operations (addition, subtraction, multiplication, division), square, square root, percentage calculation, trigonometric functions (sine, cosine, tangent), logarithm, exponent, factorial, etc. Advanced mathematical operations: Supports advanced mathematical functions such as calculus (derivatives, integrals), complex number calculations, matrix operations, statistical calculations, etc. Unit Conversion: Equipped with rich unit conversion functions, including conversion between multiple units such as length, weight, area, volume, speed, temperature, etc. History: Automatically save your calculation history, making it convenient for you to view and review previous calculation processes at any time. Personalized settings: Provides a variety of themes and color choices to meet your personalized needs. Support night mode to protect your vision. Application scenario: Learning: Whether it's elementary school students or college students, multifunctional calculators can help you solve calculation problems in math assignments and exams. Job: Engineers, scientists, accountants, and other professionals can use this calculator for complex mathematical calculations and data analysis. Life: In daily life such as shopping, budgeting, and investing, multifunctional calculators can also provide you with accurate calculation results. In short, a multifunctional calculator is a mathematical tool that is comprehensive, easy to operate, and suitable for various scenarios. It will become your capable assistant in learning, work, and life. Come and download to experience it!

About

NibbleCalc

Features
Read full description

NibbleCalc is the all-in-one calculator for developers, designers, and power users — a clean, fast calculator plus a full toolbox, all offline. FOUR-FUNCTION & SCIENTIFIC • Beautiful standard calculator with calculation history • Full scientific panel in landscape (trig, logs, powers, roots, factorial) PROGRAMMER • HEX / DEC / OCT / BIN, live side by side • Bit widths from 8-bit up to 127-bit • Flip individual bits in an interactive bit grid • AND, OR, XOR, NOT and shifts COLOR TOOLS • Convert HEX, RGB, HSV, HSL and CMYK • Copy ready-to-use CSS, SwiftUI and UIKit code • Color Scan: pick real-world colors with your camera • WCAG contrast-ratio checker DEVELOPER TOOLS • JWT decoder — header, payload and claims, fully offline • MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes • UUID v4 generator • Base64 encode / decode (URL-safe too) DATE & TIME • Date calculator — add, subtract, days between • Unix timestamp converter — ISO 8601, RFC 2822, UTC and local MADE TO ENJOY • Three themes: Dark, Vibrant, Minimal • iPhone & iPad, portrait and landscape • 17 languages • Works entirely offline — your data never leaves your device NibbleCalc Pro (one-time purchase) • Remove ads • Unlock Dev Tools, Color Scan, 127-bit width and premium themes Download NibbleCalc and carry a whole developer toolbox in one calculator.

Screenshots

Smart Calculator·4 screens
NibbleCalc4 screens

Verdict

The call

The clearest difference is in-app purchases: Smart Calculator· at none against NibbleCalc's 1. Smart Calculator· also leads on iOS requirement (15.0 vs 18.0). NibbleCalc's advantage is update cadence (every 2 months vs every 7 months). On price, ads and 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

Both are free to download. NibbleCalc sells 1 one-off in-app purchase. Smart Calculator· asks for nothing beyond the download.

UpkeepUpdate frequency

Smart Calculator· ships an update every 7 months, NibbleCalc every 2 months. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

Scorecard3 real differences · 6 level
Smart Calculator· versus NibbleCalc: the parameters behind the verdict, then further details
ParameterSmart Calculator·NibbleCalc
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 7 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better18.0
Further details — not scored
Size4 MB4 MB
Age rating4+4+
Developer瑞媚 杨LiChuan Lin

In-app purchases

None

Smart Calculator·

No in-app purchases

1 purchases

NibbleCalc

One-time1
  • Remove Ads$1.99

Questions

Is Smart Calculator· free?
Smart Calculator· is free to download, with no in-app purchases.
Is NibbleCalc free?
NibbleCalc is free to download, with in-app purchases available.
Do Smart Calculator· or NibbleCalc have ads?
Neither Smart Calculator· nor NibbleCalc shows ads.
Which is updated more often, Smart Calculator· or NibbleCalc?
Smart Calculator· ships an update every 7 months, and NibbleCalc every 2 months. Most recently, Smart Calculator· was updated on October 7, 2026 and NibbleCalc on October 10, 2026.

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