Comparison

Formula MAX vs Mole OTG

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

Head to head
About

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.

Highlights
  • 1100+ formulas, definitions, and values
  • Offline access
  • Powerful search function
  • Favorites for quick access
  • Trigonometric and logarithmic calculators
  • Periodic table with element details
Features
Read full description

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

About

Mole OTG

Features
Read full description

Molar mass & mole ⇄ mass conversions Solution concentration, dilution, % (planned) Stoichiometry helpers Titration support basics Gas law (ideal gas) modules (if included build) pH / buffer (if enabled) Unit conversions (mass, volume, temperature, pressure, energy, etc.)

Screenshots

Formula MAX4 screens
Mole OTG3 screens

Verdict

The call

The clearest difference is price: Mole OTG at Free against Formula MAX's $0.99. Mole OTG also leads on update cadence (daily vs every 11 months). Formula MAX's advantage is ads (none vs shown). On 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

Mole OTG is free to download; Formula MAX costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Formula MAX ships an update every 11 months, Mole OTG daily. The most recent releases landed on September 23, 2026 and September 20, 2026 respectively.

Scorecard3 real differences · 7 level
Formula MAX versus Mole OTG: the parameters behind the verdict, then further details
ParameterFormula MAXMole OTG
Price$0.99Free — better
Rating4.8 (52 ratings) — better—
Positive reviews79.8% of reviews—
Number of ratings52 — better—
Update frequencyEvery 11 monthsDaily — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size15 MB31 MB
Age rating4+4+
DeveloperMallow Technologies Private LimitedJapality Limited

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
Show 2 more
  • 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
Show 10 more
  • 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

Mole OTG

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Formula MAX

No in-app purchases

None

Mole OTG

No in-app purchases

Questions

Is Formula MAX free?
Formula MAX costs $0.99, with no in-app purchases.
Is Mole OTG free?
Mole OTG is free to download, with no in-app purchases.
Do Formula MAX or Mole OTG have ads?
Mole OTG shows ads; Formula MAX does not.
Which is updated more often, Formula MAX or Mole OTG?
Formula MAX ships an update every 11 months, and Mole OTG daily. Most recently, Formula MAX was updated on September 23, 2026 and Mole OTG on September 20, 2026.

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