Comparison

RPN Big Float Calculator vs Learn Objective C Programming

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

Head to head
About

RPN Big Float Calculator

This advanced calculator offers unparalleled precision for complex mathematical operations, supporting up to 100,000 digits. It features both RPN mode and direct formula input, with a vast array of functions and built-in constants. Explore calculations with complex numbers, quaternions, and p-adic numbers.

Highlights
  • High precision up to 100,000 digits
  • RPN and direct formula input modes
  • Complex number and quaternion calculations
  • Elliptic integrals and theta-functions
  • Built-in mathematical constants
  • P-adic number calculations
Read full description

Perhaps the most accurate calculator on the iPhone. Precision from 16-bit up to 100.000. Fast Calculation in RPN-Mode or direct formula input. Lots of functions up to elliptic integrals, theta-functions, gamma and log gamma. Built in constants for gamma, pi, Feigenbaum. Calculation mode for complex numbers, quaternions, integers and p-adic numbers. Nerdy functions with Klingon user-Interface.

About

Learn Objective C Programming

Features
Read full description

Learn Objective C Programming is a complete learning app designed for beginners, students, developers, and anyone interested in Apple application development. Objective C is a powerful programming language that has played an important role in the development of applications for iPhone, iPad, and Mac. This app helps you understand Objective C concepts through structured lessons, practical code examples, quizzes, and useful programming resources. Whether you are starting from the basics or preparing for a technical interview, you can learn at your own pace and improve your programming knowledge step by step. Learn Objective-C Programming is your ultimate guide to mastering Objective-C, one of the most important programming languages for app development. Whether you're a beginner or an experienced developer, this app offers detailed tutorials, hands-on exercises, and interactive quizzes to help you build strong programming skills and create efficient apps. Key Features: Comprehensive Tutorials: Learn the fundamentals of Objective-C, including syntax, object-oriented programming (OOP), memory management, and more. Bookmark: Save key lessons for quick reference and easy review. Syntax Highlighting: Follow along with clear, syntax-highlighted code examples to enhance your learning experience. Text-to-Speech: Listen to tutorials and explanations on the go with the app's text-to-speech feature. Tips and Tricks: Learn programming best practices and shortcuts for faster, cleaner code. Interview Questions: Prepare for job interviews with a curated list of common Objective-C questions. FAQs: Get quick answers to frequently asked questions and resolve any challenges you encounter. Whether you're learning to develop iOS apps or improving your coding skills, "Learn Objective-C Programming" provides all the tools and knowledge you need to succeed. Download now and start mastering Objective-C today! Build a strong understanding of Objective C and improve your programming skills with structured lessons, practical examples, and interactive learning resources. Download Learn Objective C Programming and begin your coding journey today.

Screenshots

RPN Big Float Calculator1 screens
Learn Objective C Programming4 screens

Verdict

The call

The clearest difference is price: RPN Big Float Calculator at Free against Learn Objective C Programming's $1.99. RPN Big Float Calculator also leads on update cadence (monthly vs every 20 months). On ads, in-app purchases, device support and iOS requirement 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

RPN Big Float Calculator is free to download; Learn Objective C Programming costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

RPN Big Float Calculator ships an update monthly, Learn Objective C Programming every 20 months. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 8 level
RPN Big Float Calculator versus Learn Objective C Programming: the parameters behind the verdict, then further details
ParameterRPN Big Float CalculatorLearn Objective C Programming
PriceFree — better$1.99
Rating5.0 (1 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings1 — better—
Update frequencyMonthly — betterEvery 20 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS14.113.0 — better
Further details — not scored
Size14 MB35 MB
Age rating4+17+
DeveloperStephan JancarMuhammad Mubeen

In-app purchases

None

RPN Big Float Calculator

No in-app purchases

None

Learn Objective C Programming

No in-app purchases

Questions

Is RPN Big Float Calculator free?
RPN Big Float Calculator is free to download, with no in-app purchases.
Is Learn Objective C Programming free?
Learn Objective C Programming costs $1.99, with no in-app purchases.
Do RPN Big Float Calculator or Learn Objective C Programming have ads?
Neither RPN Big Float Calculator nor Learn Objective C Programming shows ads.
Which is updated more often, RPN Big Float Calculator or Learn Objective C Programming?
RPN Big Float Calculator ships an update monthly, and Learn Objective C Programming every 20 months. Most recently, RPN Big Float Calculator was updated on November 4, 2026 and Learn Objective C Programming on October 30, 2026.

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