Comparison

Cool Astronomy Facts vs A

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

Head to head
About

Cool Astronomy Facts

Discover mind-blowing astronomy and space facts across 17 categories. Improve your knowledge with offline access to around 400 facts, easily searchable and shareable. Customize your reading experience with adjustable font sizes and view options.

Highlights
  • Offline access
  • 17 astronomy categories
  • 400+ astronomy facts
  • Searchable facts
  • Favorite facts
  • Share facts
  • Adjustable font size
Features
Read full description

Our app has collection of interesting,amazing and fascinating astronomy and space facts that will blow your mind. You can improve your knowledge and information about astronomy and space with this app. FEATURES - Internet connection is NOT needed. - There are 17 astronomy categories. - There are about 400 astronomy facts. - Search any fact easily. - Save facts as your favorites. - Share facts with your friends over SMS and E-Mail. - You can view facts as catalog or as list. - You can navigate facts sliding right or left by hand. - You can change font size to read facts easily. CATEGORIES - Sun - Mercury - Venus - Mars - Jupiter - Saturn - Uranus - Neptune - Pluto - Moon - Asteroids - Meteoroids - Stars - Galaxies - Comets - Satellites - Space Stations

About

A

Features
Read full description

Master A-Level Physics with Fun and Engaging Quizzes! Dive into the world of A-Level Physics with our comprehensive quiz app, designed to boost your knowledge, confidence, and skills. Whether you're a student, practitioner, or just exploring the field, this app is your ultimate companion for learning and growth. Topics Covered: Measurements and Uncertainties: - SI units and derived units - Prefixes and standard form - Scalars vs vectors Kinematics: - Displacement, velocity, and acceleration - Equations of uniformly accelerated motion - Velocity-time and displacement-time graphs - Free fall and acceleration due to gravity - Projectile motion in two dimensions Dynamics: - Newton’s three laws of motion - Free-body diagrams and net force - Frictional forces and drag - Terminal velocity and motion in resistive media - Linear momentum and impulse Forces, Work, and Energy: - Work done by a force - Kinetic and potential energy - Conservation of energy - Power and efficiency - Force-extension graphs and energy stored in a spring Materials and Properties of Matter: - Density and pressure in solids, liquids, gases - Hooke’s Law and elastic limit - Stress, strain, and Young modulus - Plastic vs elastic deformation - Force-extension and stress-strain graphs Circular Motion and Gravitation: - Centripetal force and acceleration - Angular velocity and period - Applications: vertical and horizontal circles - Newton’s law of universal gravitation Oscillations and Simple Harmonic Motion: - Characteristics of SHM - Energy changes in SHM - Damping and types of damping - Resonance and its applications Waves and Wave Properties: - Transverse and longitudinal waves - Wave equations and calculations - Superposition and interference - Reflection and refraction at boundaries Optics and Wave Behavior: - Total internal reflection and critical angle - Lenses: ray diagrams and focal length - Refractive index and Snell’s Law - Young’s double-slit experiment Electricity and Circuits: - Current, voltage, and resistance - Ohm’s Law and I-V characteristics - Series and parallel circuits - Internal resistance and EMF - Kirchhoff’s laws and circuit calculations Electrical Fields and Capacitance: - Electric field strength and uniform fields - Electric potential and potential energy - Capacitance and C = Q/V - Energy stored in a capacitor Magnetic Fields and Electromagnetism: - Magnetic field lines and field strength - Force on a current-carrying conductor - Motion of charged particles in magnetic fields - Electromagnetic induction (Faraday’s & Lenz’s laws) - Transformers and power transmission Atomic and Nuclear Physics: - Structure of the atom and isotopes - Radioactive decay and types of radiation - Half-life and exponential decay Quantum Physics: - Photons and Planck’s equation (E = hf) - The photoelectric effect and threshold frequency - Wave-particle duality of electrons Thermal Physics and Ideal Gases: - Internal energy and the first law of thermodynamics - Temperature and absolute zero Features You'll Love: - Adaptive Quizzes: Questions tailored to your skill level, ensuring a personalized learning experience. - Detailed Explanations: Learn as you go with in-depth answers and references. - Timed Challenges: Test your speed and accuracy under time pressure for an extra thrill. - Progress Tracking: Keep tabs on your improvement with detailed analytics and reports. - User-Friendly Design: Intuitive interface for smooth navigation and focus. Who is it for? - A-Level Physics students preparing for exams. - Anyone interested in understanding the principles of Physics . Download now and make learning A-Level Physics enjoyable and effective! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://forwaelade.web.app/A_Level_Physics/privacy-policy

Screenshots

Cool Astronomy Facts4 screens
A4 screens

Verdict

The call

The clearest difference is price: A at Free against Cool Astronomy Facts's $1.99. A also leads on update cadence (monthly vs every 37 months). Cool Astronomy Facts's advantage is in-app purchases (none vs 6) and iOS requirement (11.0 vs 17.0). On ads 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

CostPrice · In-app purchases · Ads · Monetization

A is free to download; Cool Astronomy Facts costs $1.99 up front. A sells 6 in-app purchases, starting at $9.99 per month. Cool Astronomy Facts asks for nothing beyond the download.

UpkeepUpdate frequency

Cool Astronomy Facts ships an update every 37 months, A monthly. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.

Scorecard4 real differences · 5 level
Cool Astronomy Facts versus A: the parameters behind the verdict, then further details
ParameterCool Astronomy FactsA
Price$1.99Free — better
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 37 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS11.0 — better17.0
Further details — not scored
Size24 MB19 MB
Age rating4+4+
DeveloperCoskun CAKIRForwa Elade Wunde

In-app purchases

None

Cool Astronomy Facts

No in-app purchases

6 purchases

A

Subscriptions3
  • 1 Month$9.991 Month
  • 6 Months$19.996 Months
  • 1 Year$29.991 Year
One-time3
  • 1500$0.99
  • 3500$1.99
  • 9000$3.99

Questions

Is Cool Astronomy Facts free?
Cool Astronomy Facts costs $1.99, with no in-app purchases.
Is A free?
A is free to download, with in-app purchases available.
Do Cool Astronomy Facts or A have ads?
Neither Cool Astronomy Facts nor A shows ads.
Which is updated more often, Cool Astronomy Facts or A?
Cool Astronomy Facts ships an update every 37 months, and A monthly. Most recently, Cool Astronomy Facts was updated on October 3, 2026 and A on October 11, 2026.

Other comparisons