Comparison

BitBitCS vs Calculus Formulas

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

Head to head
About

BitBitCS

Features
Read full description

Supercharge your Computer Science learning with BitBitCS โ€” an AI-native learning platform that transforms technical content into bite-sized lessons. BitBitAI processes hundreds of influential Computer Science books, design specifications, and academic papers, helping you learn up to 20x faster than traditional reading. Whether you have 10 minutes or an hour a day, BitBitCS accelerates your journey from foundational concepts to advanced expertise. Our AI technology analyzes authoritative textbooks and academic publications, identifying core concepts and connecting related ideas in clear, digestible formats. Master essential topics including: - Data Structures and Algorithms - Domain-Driven Design - Distributed Systems - DevOps - Cybersecurity Start with our extensive free books and unlock premium content for advanced topics. Key Features: 1. Condensed, Clear Content - Step-by-step explanations of complex CS concepts - Practical examples for every topic - Learning format proven 5x more effective than reading traditional textbooks 2. AI-Enhanced Learning - Compressed learning paths that turn WEEKS of reading into DAYS - Intelligently organized essential knowledge - Optimized information retention 3. Flexible Learning Schedule - Master new concepts in as little as 10 minutes daily - Focus on core principles from trusted sources - Stay current with latest CS trends Pricing: - Free tier: Access to fundamental CS books - Premium tier: Advanced topics and complete library access Transform your CS learning journey with BitBitCS โ€” the intelligent way to build your technical expertise. This app is subject to Apple's standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Calculus Formulas

Features
Read full description

CalcRef is the complete calculus reference and study tool built for students. Whether you are preparing for AP Calculus, college exams, or reviewing core concepts, CalcRef puts every formula, table, and practice tool you need in one offline app. FORMULAS Browse over 100 calculus formulas across 8 topics: Limits and Continuity, Derivatives, Applications of Derivatives, Integrals, Techniques of Integration, Applications of Integrals, Sequences and Series, and Parametric, Polar, and Vectors. Every formula includes LaTeX-rendered notation, a plain-language description, conditions for use, and variable definitions. Computational formulas include a built-in calculator with step-by-step solutions. REFERENCE TABLES Six tables provide instant access to the essentials: - Derivative Rules (power, trig, exponential, logarithmic, inverse trig) - Integral Formulas (standard antiderivatives with conditions) - Trigonometric Identities (Pythagorean, double angle, half angle, sum/difference) - Convergence Tests (ratio, root, integral, comparison, alternating series) - Maclaurin Series (common expansions with convergence intervals) - Unit Circle (sin, cos, tan at standard angles in degrees and radians) PRACTICE Test your knowledge with flashcard-style quizzes. Each round presents 10 cards from a chosen topic or a mix of all topics. Flip to reveal each formula, mark it correct or missed, and review your score. Track your progress over time with per-topic stats and quiz history. TOOLS A unit converter covering 16 categories (length, area, volume, mass, force, pressure, temperature, energy, power, velocity, acceleration, density, viscosity, torque, flow rate, and angle) is accessible from any screen. A database of mathematical constants provides precise values for pi, e, the golden ratio, and more. BUILT FOR STUDYING Bookmark formulas to Favorites for quick access. Search finds any formula or constant as you type. Calculation history logs every result. Create and save your own custom formulas. Choose dark or light theme, set decimal precision, and toggle scientific notation. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

BitBitCS4 screens
Calculus Formulas4 screens

Verdict

The call

The clearest difference is iOS requirement: BitBitCS at 13.0 against Calculus Formulas's 15.1. On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. BitBitCS sells 1 in-app purchase, starting at $4.99 per month and Calculus Formulas sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference ยท 5 level
BitBitCS versus Calculus Formulas: the parameters behind the verdict, then further details
ParameterBitBitCSCalculus Formulas
PriceFreeFree
Update frequencyEvery 8 daysโ€”
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 โ€” better15.1
Further details โ€” not scored
Size33 MB48 MB
Age rating4+4+
DeveloperLIN SUNMobin Akhter

In-app purchases

1 purchases

BitBitCS

Subscriptions1
  • Premium$4.991 Month
3 purchases

Calculus Formulas

Subscriptions2
  • Weekly Premium$2.997 Days
  • CalcRef Yearly Premium$24.991 Year
One-time1
  • CalcRef Premium Lifetime$44.99

Questions

Is BitBitCS free?
BitBitCS is free to download, with in-app purchases available.
Is Calculus Formulas free?
Calculus Formulas is free to download, with in-app purchases available.
Do BitBitCS or Calculus Formulas have ads?
Neither BitBitCS nor Calculus Formulas shows ads.

Other comparisons