Formula MAX vs Instrument Rating
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Formula MAX
Access over 1100 physics, chemistry, and math formulas with a powerful search and offline access. Save favorites, use built-in calculators, and view a detailed periodic table. Designed for user convenience and quick reference.
- 1100+ formulas, definitions, and values
- Offline access
- Powerful search function
- Favorites for quick access
- Trigonometric and logarithmic calculators
- Periodic table with element details
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Formula MAX is a universal app with a collection of over 1100+ Physics, Chemistry and Maths formulas, more formulas to be added constantly through updates. Use your Formula MAX app across your iOS devices with exclusive device based UI, with just one purchase. The app is designed with a view of user convenience in searching, locating & referring a formula. Topics covered: Maths – Algebra, Analytical geometry, Complex numbers, Differential calculus, Differential equations, Discrete mathematics, Geometry, Integral calculus, Matrices, Mensuration, Modern Algebra, Set language, Statistics, Time series, Trigonometry, Vector algebra Physics – Atomic physics, Dynamics of Rotational motion, Electricity, Electromagnetic induction and Altering current, Electronics, Gravitation & space science, Heat, Hydrostatics, Light, Magnetism, Measurement, Mechanics, Mechanics of solids and fluids (Properties of matter), Nuclear physics, Relativity, Solar planets, Sound Chemistry – Atomic structure, Chemical bonding, Chemistry & its division, Common names & Chemical names, Important definitions, Organic chemistry, Periodic classification, Physical chemistry, States of matter Features - Huge data base of 1100+ formulas, definitions, values - Option to email the pages - Powerful search function to locate formulas - Store formulas in favorites for quick access - Trigonometric value calculator - Logarithmic value calculator - Periodic table with details about all elements - Simple and easy user interface - All the features are available offline
Instrument Rating
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The Instrument Rating Knowledge Test Prep App is the fastest way to ace your FAA Helicopter Written Exam! Our main goal is to keep you updated with the latest test bank! Questions are added, changed and deleted throughout the year. When they are, we'll update them as soon as possible. Features: • Simple to use interface recommended by Flight Instructors. • Scores, the date and time taken for quizzes and tests are saved to keep track of your progress. • Questions and answer choices are random just like the real exam! • Zoomable figures are activated and deactivated by a button tap. • Optional sound effects for selected answers in Quiz Mode. • Shocks! Answer incorrectly and feel your iPhone vibrate! (This can be turned on and off.) • No internet connection required. Modes: Quiz Mode - While taking a quiz, correct answers you choose are shown in green while incorrect ones are shown in red. Test Mode - Simulates the test you are going to take at a FAA Knowledge Test Center. In this mode, you are asked 60 questions that are pulled from the entire question bank. Study Mode - Here you can read all the questions with only the associated correct answers!
Screenshots
Verdict
The clearest difference is update cadence: Instrument Rating at every 4 months against Formula MAX's every 11 months. Instrument Rating also leads on iOS requirement (11.0 vs 13.0). Formula MAX's advantage is price ($0.99 vs $1.99). On ads, in-app purchases and device support 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
Formula MAX costs $0.99 and Instrument Rating $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Formula MAX ships an update every 11 months, Instrument Rating every 4 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | Formula MAX | Instrument Rating |
|---|---|---|
| Price | $0.99 — better | $1.99 |
| Rating | 4.8 (52 ratings) — better | — |
| Positive reviews | 79.8% of reviews | — |
| Number of ratings | 52 — better | — |
| Update frequency | Every 11 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 15 MB | 102 MB |
| Age rating | 4+ | 4+ |
| Developer | Mallow Technologies Private Limited | Bravo Zulu Apps LLC |
Bugs and requests
Formula MAX
Reported bugs
7 issues- Search function returns no results for some queries
- Display glitches preventing information from showing
- Inconsistent symbology and notation within sections
- Spacing errors in text
- App crashes or performance issues
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- Periodic table difficult to navigate and view
- Slow performance in some instances
Requested features
15 requests- Add worked examples demonstrating formula application
- Include interactive calculators for solving problems
- Provide step-by-step solution walkthroughs
- Add more advanced chemistry topics (thermodynamics, quantum mechanics, etc.)
- Include visual diagrams and illustrations
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- Allow users to add custom equations and formulas
- Add unit conversions and conversion calculators
- Implement full-screen periodic table view
- Include more astrophysics and advanced physics formulas
- Add ability to copy formulas to clipboard
- Provide French language version
- Add more algebra and basic mathematics topics
- Include variable input fields for formula calculations
- Add explanatory notes and definitions
- Improve search methodology and organization
Instrument Rating
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Formula MAX
No in-app purchases
Instrument Rating
No in-app purchases
Questions
Is Formula MAX free?
Is Instrument Rating free?
Do Formula MAX or Instrument Rating have ads?
Which is updated more often, Formula MAX or Instrument Rating?
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