Comparison

CONSTRUCTION MASTERY INSTITUTE vs Physics Constants Library

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

Head to head
About

CONSTRUCTION MASTERY INSTITUTE

Features
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We provide Construction Professionals with access to world-class educational content and industry best practices. Transforming constructors through mastery. Mastery involves learning from anything or anyone providing knowledge towards achieving your learning goals. We envision an admirable industry that consistantly improves worker productivity.

About

Physics Constants Library

Features
Read full description

Discover the building blocks of our universe with Physics Constants Library – the ultimate reference and learning tool for students, educators, and professionals. Whether you’re preparing for exams, teaching in the classroom, or working on research, this app puts the most important physics constants and tools at your fingertips. What You’ll Get β€’ 20+ Fundamental Constants – Gravity, Planck’s constant, electron charge, speed of light, and more. β€’ Smart Search & Filters – Quickly find constants by name, symbol, or value. β€’ Multi-Unit Support – Switch between SI, CGS, Imperial, and other unit systems. β€’ Interactive Learning – Use flashcards, quizzes, and study modes to strengthen memory. β€’ Professional Tools – Unit converter, calculator, and built-in formula helper. β€’ Offline Access – Access all content anytime, without internet. Key Features Constants Library β€’ Covers mechanics, quantum physics, thermodynamics, electromagnetism, and more. β€’ Includes historical context, real-world applications, and related concepts. Learning Center β€’ Flashcards with smart repetition for long-term retention. β€’ Quizzes with adjustable difficulty levels. β€’ Study progress tracking to stay motivated. Professional Tools β€’ Advanced unit converter with 25+ categories. β€’ Scientific calculator with constants built-in. β€’ Formula helper to apply equations instantly. Modern Experience β€’ Clean, elegant interface designed for clarity. β€’ Dark mode, 10 app themes - System, Light, Dark, Cosmic, Quantum, Sunset, Ocean, Forest, Aurora, Midnight and accessibility support. β€’ Favorites tab for quick access to your most-used constants. Perfect For β€’ Students – Learn and memorize constants with ease. β€’ Teachers – Enhance lessons with interactive study tools. β€’ Researchers & Engineers – Reliable, quick reference during work. β€’ Enthusiasts – Explore the fundamental constants that shape our world. Data Accuracy You Can Trust All values are based on CODATA 2018 recommendations and NIST standards, ensuring precision for both academic and professional use. Upgrade for More Unlock premium to access advanced study modes, unlimited practice, and detailed progress analytics. Download Physics Constants Library today and take your physics knowledge to the next level!

Screenshots

CONSTRUCTION MASTERY INSTITUTE2 screens
Physics Constants Library4 screens

Verdict

The call

The clearest difference is in-app purchases: CONSTRUCTION MASTERY INSTITUTE at none against Physics Constants Library's 1. CONSTRUCTION MASTERY INSTITUTE also leads on ads (none vs shown) and device support (3 vs 1). On price and update cadence 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. Physics Constants Library sells 1 one-off in-app purchase. CONSTRUCTION MASTERY INSTITUTE asks for nothing beyond the download.

UpkeepUpdate frequency

CONSTRUCTION MASTERY INSTITUTE ships an update every 4 months, Physics Constants Library every 7 months. The most recent releases landed on October 14, 2026 and October 22, 2026 respectively.

Scorecard4 real differences Β· 2 level
CONSTRUCTION MASTERY INSTITUTE versus Physics Constants Library: the parameters behind the verdict, then further details
ParameterCONSTRUCTION MASTERY INSTITUTEPhysics Constants Library
PriceFreeFree
Update frequencyEvery 4 months β€” betterEvery 7 months
AdsNo β€” betterYes
In-app purchasesNo β€” betterYes
DevicesiPhone, iPad, iPod β€” betteriPhone
Requires iOS14 β€” better18.4
Further details β€” not scored
Size90 MB10 MB
Age rating4+4+
DeveloperPurple GiraffeChatStick Company Limited

In-app purchases

None

CONSTRUCTION MASTERY INSTITUTE

No in-app purchases

1 purchases

Physics Constants Library

One-time1
  • Unlock All Features$2.99

Questions

Is CONSTRUCTION MASTERY INSTITUTE free?
CONSTRUCTION MASTERY INSTITUTE is free to download, with no in-app purchases.
Is Physics Constants Library free?
Physics Constants Library is free to download, with in-app purchases available.
Do CONSTRUCTION MASTERY INSTITUTE or Physics Constants Library have ads?
Physics Constants Library shows ads; CONSTRUCTION MASTERY INSTITUTE does not.
Which is updated more often, CONSTRUCTION MASTERY INSTITUTE or Physics Constants Library?
CONSTRUCTION MASTERY INSTITUTE ships an update every 4 months, and Physics Constants Library every 7 months. Most recently, CONSTRUCTION MASTERY INSTITUTE was updated on October 14, 2026 and Physics Constants Library on October 22, 2026.

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