QuickCalculator vs NibbleCalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
QuickCalculator
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QuickCalculator is an all-in-one calculator designed for iPhone, iPad, and Mac. It brings standard, scientific, programmer, and business calculators together with converters, equation solvers, graphing, and practical everyday tools. CALCULATOR MODES: • Standard calculator with arithmetic, parentheses, and percentage • Scientific: trig, log, ln, factorial, powers, roots, constants (pi, e) • Programmer: binary, octal, decimal, hex with bitwise operations (AND, OR, XOR, NOT, shifts) • Business: tax, discount, profit margin, and loan calculators UNIT CONVERTER: • 6 categories: Length, Weight, Area, Volume, Temperature, Speed • 40+ units with real-time conversion • Cooking converter with 10 ingredient units and recipe scaling ADVANCED TOOLS: • Equation solver: quadratic (ax²+bx+c) and linear systems (2x2, 3x3) • Matrix calculator: add, subtract, multiply, transpose, determinant, inverse • Graphing with expression visualization • Statistics: count, mean, median, variance, standard deviation HEALTH: • BMI calculator with category classification • BMR calculator (Mifflin-St Jeor) with gender-specific results MEMORY & HISTORY: • 50 memory slots with M+, M-, MR, MS, MC • Calculation history with one-tap restore, search, date filters, and per-tool filters • Export history as Markdown, CSV, or JSON • Store history locally or in a supported cloud or remote location CUSTOMIZATION: • Precision control: 0–12 decimal places • Angle units: Radians, Degrees, Gradians • Haptic feedback on supported devices • 20+ theme colors with dark and light modes • Two-pane desktop layout with memory and history sidebar CURRENCY & EVERYDAY TOOLS: • Currency converter with live exchange rates, rate charts, and freshness status • Date and time calculator: date difference, business days, time zones, and time arithmetic • Percentage, discount, tax, tip, and bill-splitting calculators • Loan and mortgage tools with prepayment and refinance comparisons • Tape calculator with an editable paper-roll history QuickCalculator Pro removes ads and supports continued development through an annual subscription or a one-time lifetime purchase. Terms of Use: https://kakitiro.com/quickapps/quickcalculator/terms/
NibbleCalc
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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
Verdict
The clearest difference is device support: QuickCalculator at 4 against NibbleCalc's 2. QuickCalculator also leads on iOS requirement (13.0 vs 18.0). On price, update cadence, ads and in-app purchases 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
Both are free to download. QuickCalculator sells 2 in-app purchases, starting at $0.99 per year and NibbleCalc sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
QuickCalculator ships an update every 2 months, NibbleCalc every 5 weeks. The most recent releases landed on September 5, 2026 and September 8, 2026 respectively.
| Parameter | QuickCalculator | NibbleCalc |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 5 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 50 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | KAZUHIRO KAKIMOTO | LiChuan Lin |
In-app purchases
QuickCalculator
- Pro - Annual$0.991 Year
- Pro - Lifetime$4.99
NibbleCalc
- Remove Ads$1.99
Questions
Is QuickCalculator free?
Is NibbleCalc free?
Do QuickCalculator or NibbleCalc have ads?
Which is updated more often, QuickCalculator or NibbleCalc?
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