Comparison

MathCode Academy vs Rock Identifier

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

Head to head
About

MathCode Academy

Features
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MathCode Academy – Master Computational Mathematics Learn MATLAB and Fortran 95 through structured tutorials, practical numerical examples, and focused coding practice. MathCode Academy is designed for students, engineers, researchers, and developers who want to build stronger scientific programming skills. From core syntax and matrix operations to numerical methods, optimization, signal processing, and parallel computing, the app helps you learn computational mathematics step by step. MATLAB TRACK 1. Introduction and Basics 2. Vectors and Matrices 3. Control Flow Structures 4. Functions and Scripts 5. I/O and File Operations 6. Plotting and Visualization 7. Image Processing 8. Signal Processing 9. Optimization Methods 10. Statistics and Machine Learning 11. PDEs with FFT and Spectral Methods 12. Symbolic Mathematics FORTRAN 95 TRACK 1. Array Operations and Statistics 2. Matrix Multiplication and Linear Algebra 3. Gaussian Elimination and System Solving 4. Numerical Integration Methods 5. Root Finding Algorithms 6. Euler’s Method for ODEs 7. Heat Equation and Finite Differences 8. Eigenvalue Methods 9. Monte Carlo Simulations 10. Least-Squares Fitting and Regression 11. Fourier Series Analysis 12. Parallel Computing with Coarrays TUTORIAL FEATURES β€’ Clear explanations with practical scientific computing examples β€’ Code samples with clean formatting and easy-to-follow structure β€’ Step-by-step learning from fundamentals to advanced numerical methods β€’ Performance tips for efficient computational programming β€’ In-depth coverage of mathematical algorithms and real-world computing patterns APP FEATURES β€’ MATLAB cheatsheet for essential syntax and core concepts β€’ MATLAB flashcards with 360 targeted cards across 12 units β€’ Fortran 95 cheatsheet for essential syntax and core concepts β€’ Fortran 95 flashcards with 360 targeted cards across 12 units β€’ 4,800 coding challenges across all learning units β€’ 200 MATLAB programming units covering core topics from basics to essentials β€’ 200 Fortran programming units covering core topics from basics to essentials β€’ Daily coding challenge with a new numerical problem every day β€’ Built-in progress tracking to follow your learning journey β€’ 12 custom themes to personalize your study experience β€’ Support for 15 interface languages β€’ Full offline access for learning anytime, anywhere β€’ Ad-free, distraction-free environment WHO IT IS FOR β€’ Scientific computing developers β€’ Engineering students and professionals β€’ Research scientists and mathematicians β€’ Data analysts and computational researchers β€’ MATLAB and Fortran learners β€’ Anyone studying numerical methods or mathematical programming Learn scientific programming with a clear, structured path. Download MathCode Academy today and start building the computational skills you need for numerical analysis, scientific computing, engineering applications, and research-focused programming.

About

Rock Identifier

Features
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Found a rock, crystal or gemstone and wondering what it is? Snap a photo and Stonectra's AI identifies it, then shows you what it's made of, where it forms and what it may be worth. Built for rockhounds, collectors, students and curious explorers, Stonectra turns your iPhone into a pocket geology guide. IDENTIFY FROM A PHOTO β€’ Take a picture or upload one from your gallery β€’ Identify rocks, minerals, crystals, stones and gemstones β€’ Get the name and a clear overview of your specimen KNOW YOUR STONE Every result opens a detailed profile: β€’ Physical properties: crystal system, color, luster, streak, Mohs hardness, cleavage, fracture and more β€’ Chemical properties: classification, formula and density β€’ Occurrence: the geological settings where it forms, such as veins, pegmatites or geodes β€’ Uses and history in industry, jewelry and collecting β€’ Care tips plus health and safety notes for handling ESTIMATE ITS VALUE See estimated price ranges for selected gems, minerals and crystals, and use the built-in Price Calculator to estimate value by weight. Estimates are for informational purposes only and vary with quality, size, rarity, origin and market demand. ASK THE AI STONE ASSISTANT Chat about geology, minerals, crystals and rockhounding anytime: β€’ "How can I tell ruby from garnet?" β€’ "How and where does aquamarine form?" β€’ "What does Mohs hardness mean?" β€’ "How do I start a rock collection?" BUILD YOUR COLLECTION Save your finds to a personal digital collection, organize your specimens and keep a Favorites list of stones you love or want to find next. iCloud Sync keeps your collection backed up across your devices. GREAT FOR β€’ Rockhounds identifying finds from hikes, rivers and beaches β€’ Collectors cataloging and valuing specimens β€’ Students learning earth science and mineralogy β€’ Anyone curious about the stones beneath their feet Download Stonectra and find out what you found. Privacy Policy: https://thebariscc.github.io/Stonectra/PrivacyPolicy.html Terms & Conditions: https://thebariscc.github.io/Stonectra/TermsAndConditions.html Support: https://thebariscc.github.io/Stonectra/Support.html

Screenshots

MathCode Academy4 screens
Rock Identifier4 screens

Verdict

The call

The clearest difference is price: Rock Identifier at Free against MathCode Academy's $6.99. MathCode Academy's advantage is in-app purchases (none vs 2) and iOS requirement (15.1 vs 17.0). On update cadence, ads 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

Rock Identifier is free to download; MathCode Academy costs $6.99 up front. Rock Identifier sells 2 in-app purchases, starting at $3.99 per 7 days. MathCode Academy asks for nothing beyond the download.

UpkeepUpdate frequency

MathCode Academy ships an update every 2 months, Rock Identifier every 6 weeks. The most recent releases landed on October 28, 2026 and October 30, 2026 respectively.

Scorecard3 real differences Β· 3 level
MathCode Academy versus Rock Identifier: the parameters behind the verdict, then further details
ParameterMathCode AcademyRock Identifier
Price$6.99Free β€” better
Update frequencyEvery 2 monthsEvery 6 weeks β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS15.1 β€” better17.0
Further details β€” not scored
Size138 MB29 MB
Age rating4+4+
DeveloperSimTeCon GmbHBaris Can Ceylan

In-app purchases

None

MathCode Academy

No in-app purchases

2 purchases

Rock Identifier

Subscriptions2
  • Weekly Pro3 Days trial$3.997 Days
  • Annual Pro (SAVE %80)$39.991 Year

Questions

Is MathCode Academy free?
MathCode Academy costs $6.99, with no in-app purchases.
Is Rock Identifier free?
Rock Identifier is free to download, with in-app purchases available.
Do MathCode Academy or Rock Identifier have ads?
Neither MathCode Academy nor Rock Identifier shows ads.
Which is updated more often, MathCode Academy or Rock Identifier?
MathCode Academy ships an update every 2 months, and Rock Identifier every 6 weeks. Most recently, MathCode Academy was updated on October 28, 2026 and Rock Identifier on October 30, 2026.

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