Comparison

Chemscribe vs Physics Formulas

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

Head to head
About

Chemscribe

This iPad app offers a specialized keyboard designed to simplify chemistry assignments. It includes over 1600 compounds and all periodic table elements, providing a convenient platform for typing chemistry homework.

Highlights
  • Specialized chemistry keyboard
  • Over 1600 compounds
  • All periodic table elements
  • Simplifies chemistry assignments
  • iPad exclusive
Features
Read full description

Chemscribe is an iPad application that provides you with a Chemistry keyboard that makes Chemistry assignments an easier task ! With more than 1600 compounds and all elements from the periodic table, Chemscribe offers you a ready platform to type in your Chemistry homework / assignment !

About

Physics Formulas

Features
Read full description

PhysRef is the complete physics formula reference designed for students, engineers, and science enthusiasts. Access hundreds of formulas, physical constants, and built-in calculators - all without internet connection. COMPREHENSIVE FORMULA DATABASE Browse formulas organized by topic: Mechanics, Thermodynamics, Waves, Electricity and Magnetism, Optics, and Modern Physics. Each formula includes variable definitions, units, and related concepts. BUILT-IN CALCULATORS Stop doing manual calculations. Enter your known values and instantly compute the unknown variable. Every calculator validates inputs and displays results with appropriate units. PHYSICAL CONSTANTS TABLE Quick access to fundamental constants including speed of light, gravitational constant, Planck's constant, electron mass, Boltzmann constant, and dozens more. All values use standard reference data. UNIT CONVERTER Convert between units across 14 categories: length, mass, time, velocity, acceleration, force, energy, power, pressure, temperature, electric charge, electric current, angle, and frequency. PERSONAL NOTES Add your own notes to any formula. Perfect for exam prep, recording problem-solving strategies, or marking formulas you find tricky. FORMULA DERIVATIONS Understand where formulas come from. See step-by-step derivations that connect fundamental principles to the equations you use. WORKS COMPLETELY OFFLINE All content is bundled in the app. Study on airplanes, in basements, or anywhere without signal. No account required. No internet needed. DESIGNED FOR STUDENTS Covers content from AP Physics 1, AP Physics 2, AP Physics C, IB Physics, and introductory university physics courses. Whether you are preparing for an exam or solving homework problems, PhysRef has you covered. PRIVACY FIRST Your data stays on your device. We do not collect personal information. No tracking. No analytics. No ads. FEATURES SUMMARY - Formula browser organized by physics topic - Search by formula name, variable, or concept - Calculators for solving problems - Physical constants with precise values - Unit converter with 14 categories - Personal notes on any formula - Formula derivations and explanations - Related formulas and connections - Bookmarks for quick access - Search history - Dark and light themes - 100% offline functionality Built for physics students who want a reliable, ad-free reference that works anywhere. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Physics Formulas4 screens

Verdict

The call

The clearest difference is in-app purchases: Chemscribe at none against Physics Formulas's 2. Chemscribe also leads on iOS requirement (6.0 vs 15.1). Physics Formulas's advantage is update cadence (every 2 months vs every 5 months) and device support (3 vs 1). On price and ads 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

Both are free to download. Physics Formulas sells 2 in-app purchases, starting at $3.99 per 7 days. Chemscribe asks for nothing beyond the download.

UpkeepUpdate frequency

Chemscribe ships an update every 5 months, Physics Formulas every 2 months. The most recent releases landed on October 9, 2026 and October 4, 2026 respectively.

Scorecard4 real differences · 6 level
Chemscribe versus Physics Formulas: the parameters behind the verdict, then further details
ParameterChemscribePhysics Formulas
PriceFreeFree
Rating1.0 (5 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings5 — better—
Update frequencyEvery 5 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPadiPhone, iPad, iPod — better
Requires iOS6.0 — better15.1
Further details — not scored
Size19 MB38 MB
Age rating4+4+
DeveloperSakhatech Information Systems Pvt LtdMobin Akhter

In-app purchases

None

Chemscribe

No in-app purchases

2 purchases

Physics Formulas

Subscriptions1
  • Weekly Access$3.997 Days
One-time1
  • Lifetime Access$49.99

Questions

Is Chemscribe free?
Chemscribe is free to download, with no in-app purchases.
Is Physics Formulas free?
Physics Formulas is free to download, with in-app purchases available.
Do Chemscribe or Physics Formulas have ads?
Neither Chemscribe nor Physics Formulas shows ads.
Which is updated more often, Chemscribe or Physics Formulas?
Chemscribe ships an update every 5 months, and Physics Formulas every 2 months. Most recently, Chemscribe was updated on October 9, 2026 and Physics Formulas on October 4, 2026.

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