Comparison

NibbleCalc vs Calculator & Solver

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

Head to head
About

NibbleCalc

Features
Read full description

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

About

Calculator & Solver

Features
Read full description

Calzyo is a professional scientific calculator built for speed, accuracy, and clarity. Whether you’re solving algebra homework, preparing for exams, or handling complex engineering calculations, this app delivers all the tools you need in one clean and simple interface. KEY FEATURES Full Scientific Functions Easily compute sin, cos, tan, ln, log, powers, square roots, factorials, parentheses, and more. Supports both degree and radian modes β€” perfect for students, engineers, and professionals. Graphing Calculator Plot functions instantly, zoom and pan, trace curves, and find intersections and extrema. Visualize equations and gain a deeper understanding of math. Smart Expression Display See your entire input clearly as you type β€” fractions, decimals, percentages, and multi-level parentheses are displayed in a natural, readable format, helping you avoid errors. History & Memory Calculation history is saved automatically. Recall previous results, reuse variables, and keep working on multi-step problems without losing track. Unit Converter & Scientific Constants Built-in unit conversions and a handy list of scientific constants make this more than just a calculator β€” it’s a complete reference tool. Clean, Ad-Free, Offline-Ready Enjoy a minimalist interface with a dark mode option. Basic calculations work offline, no ads, no distractions, and your privacy is fully protected. WHO IT’S FOR Students from middle school to university, educators, engineers, financial analysts, researchers, and anyone who needs a fast, reliable calculator on the go. Download Calzyo today β€” smart math, made simple. Privacy Policy: https://sites.google.com/view/yqprivacy-policy Terms: https://sites.google.com/view/yq-terms

Screenshots

NibbleCalc4 screens
Calculator & Solver4 screens

Verdict

The call

The clearest difference is update cadence: Calculator & Solver at every 3 days against NibbleCalc's every 2 months. Calculator & Solver also leads on iOS requirement (15.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. NibbleCalc sells 1 one-off in-app purchase and Calculator & Solver sells 4 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

NibbleCalc ships an update every 2 months, Calculator & Solver every 3 days. The most recent releases landed on October 25, 2026 and October 6, 2026 respectively.

Scorecard2 real differences Β· 4 level
NibbleCalc versus Calculator & Solver: the parameters behind the verdict, then further details
ParameterNibbleCalcCalculator & Solver
PriceFreeFree
Update frequencyEvery 2 monthsEvery 3 days β€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPod
Requires iOS18.015.0 β€” better
Further details β€” not scored
Size4 MB20 MB
Age rating4+4+
DeveloperLiChuan LinChangsha Liangchao Technology Co., Ltd.

In-app purchases

1 purchases

NibbleCalc

One-time1
  • Pro$2.99
4 purchases

Calculator & Solver

Subscriptions4
  • Calculator Premium - Weekly3 Days trial$6.997 Days
  • Calculator Premium - Weekly3 Days trial$9.997 Days
  • Calculator Premium - Monthly3 Days trial$19.991 Month
Show 1 more
  • Calculator Premium - Yearly3 Days trial$59.991 Year

Questions

Is NibbleCalc free?
NibbleCalc is free to download, with in-app purchases available.
Is Calculator & Solver free?
Calculator & Solver is free to download, with in-app purchases available.
Do NibbleCalc or Calculator & Solver have ads?
Neither NibbleCalc nor Calculator & Solver shows ads.
Which is updated more often, NibbleCalc or Calculator & Solver?
NibbleCalc ships an update every 2 months, and Calculator & Solver every 3 days. Most recently, NibbleCalc was updated on October 25, 2026 and Calculator & Solver on October 6, 2026.

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