Comparison

Earth Primer vs Physical Changes in Matter

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

Head to head
About

Earth Primer

Explore Earth's geological processes through interactive play. Sculpt mountains, create volcanoes, and manipulate natural forces to understand planetary science in a fun, engaging way.

Highlights
  • Discover how Earth works through play
  • Control natural forces like volcanoes and tectonic plates
  • 20 different tools to unlock
  • Richly interactive geological simulations
  • Five chapters: Earth's Interior, Surface, Water Cycle, Biomes, and Sandbox
  • Sandbox mode for open-ended play
Read full description

Discover how our planet works through play! Create volcanoes, sculpt mountains, and control the forces of nature with your fingertips. Earth Primer defies existing genres, combining aspects of science books, toys, simulations, and games. It is a new kind of interactive experience which joins the guided quality of a book with open ended simulation play. • App Store Best of 2015 • Best New App • Featured Education App • "BEAUTIFUL ... ENGAGING ... WELL DESIGNED." –Kristie Lu Stout | CNN “EFFORTLESSLY BEAUTIFUL... perfectly...realizes the promise of a truly interactive textbook.” –John Brownlee | Fast Company "THE FUTURE OF EDUCATION... sets a high benchmark for what educational apps should be aspiring to." –Luke Dormehl | Cult of Mac “INSPIRING ... a reminder that interactive media is a young and undeveloped world itself.” –Kyle VanHemert | WIRED “PLAYFUL, child-like, beautifully designed reenvisioning of the book” –IndieCade “The MOST AWESOME APP EVER for teaching Geomorphology to a young audience” –Alan Parkinson | Award Winning Teacher “one of the most deluxe, and memorable educational apps available... AN ABSOLUTE MUST” 5/5 –Trevor Sheridan | Apple n Apps “A TOUR DE FORCE” –Bret Victor "This is much more than a toy. It is a catalyst for thinking about our world. ... TRULY A JOY." –Samuel Arbesman | WIRED "I want every book to be this awesome. ...ABSOLUTELY WORTH EVERY CENT." –Owen Williams | The Next Web Features • Discover how Earth works through play. • The forces of nature are at your fingertips—make volcanoes, shape sand dunes, form glaciers, sculpt mountains, push around tectonic plates, paint with wind, heat up magma—and more! • 20 different tools to unlock. • Richly interactive geological simulations. • Five chapters: Earth's Interior, Surface, Water Cycle, Biomes, and Sandbox. • Sandbox mode.

About

Physical Changes in Matter

Features
Read full description

The DOST Courseware is a locally-produced, all-original Filipino highly interactive multimedia educational application packages that are conceptualized, digitized and produced as spearheaded by the Science Education Institute (SEI-DOST) in partnership with the Advanced Science and Technology Institute (ASTI-DOST) and in cooperation with the Department of Education (DepEd), Philippine Normal University (PNU) and University of the Philippines-National Institute for Science and Mathematics Education (UP-NISMED), which aims to develop information and communication technology learning innovation to support the upgrading and improvement of science and mathematics education in the country. The DOST Courseware are provided for free to schools and are also made available online as supplemental resources for teachers and student as a fun and interactive approach to e-learning and blended learning. The Grade 7 DOST Courseware is composed of 120 lessons overall, 73 lessons in Science where it covered the domains on: Matter; Force, Motion and Energy, Living Things and Their Environment and Earth and Space while the 60 lessons in Mathematic covered the domains on: Numbers and Number Sense, Patterns and Algebra, and Geometry. The Grade 8 DOST Courseware is composed of 118 lessons overall, 61 lessons in Science where it covered the domains on: Parts and Functions, Ecosystems, Heredity: Inheritance and Variation of Traits, Structures and Functions, Biodiversity, and Evolution, while the 57 lessons in Mathematics covered the domains on: Linear Equations, Quadratic Equations, Rational Algebraic Equations, Integral Exponents, Radicals, Arithmetic Sequence and Geometric Sequence. The themes of the courseware for Grades 7 and 8, Magicademy, Freddy’s Lab and D’nayao will surely amuse the users as they explore these distinct worlds while learning at the same time.

Screenshots

Physical Changes in Matter3 screens

Verdict

The call

The clearest difference is price: Physical Changes in Matter at Free against Earth Primer's $9.99. Physical Changes in Matter also leads on device support (3 vs 1). Earth Primer's advantage is iOS requirement (7.0 vs 12.0). On ads and in-app purchases 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

Physical Changes in Matter is free to download; Earth Primer costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard3 real differences · 7 level
Earth Primer versus Physical Changes in Matter: the parameters behind the verdict, then further details
ParameterEarth PrimerPhysical Changes in Matter
Price$9.99Free — better
Rating4.7 (35 ratings) — better—
Positive reviews75.4% of reviews—
Number of ratings35 — better—
Update frequencyEvery 3 weeks—
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPadiPhone, iPad, iPod — better
Requires iOS7.0 — better12.0
Further details — not scored
Size185 MB30 MB
Age rating4+4+
DeveloperChaim GingoldScience Education Institute

Bugs and requests

Earth Primer

Reported bugs

11 issues
  • 🐛 Grayed out options in sandbox mode on iOS 12.1.3
  • 🐛 Unreadable on iPad Pro
  • 🐛 Broken software on iPad Pro
  • 🐛 Still not working on iPad Pro
  • 🐛 Does not work on iPad Pro
Show 6 more
  • 🐛 Stuck in table of contents on iPad Pro
  • 🐛 Does not render correctly on iPad Pro
  • 🐛 App not working well on new iPad Pro
  • 🐛 App gets stuck on loading screen
  • 🐛 Cannot get past the second slide, no directions
  • 🐛 Never able to get beyond the "surface" screen

Requested features

15 requests
  • Add a sandbox version for 2D earth
  • Add 3D models for volcanoes
  • Include simulated volcanic eruptions, earthquakes, and tsunamis
  • Add a sandbox simulation program for these phenomena
  • Add humans and animals to sandbox mode to observe civilization building and impact
Show 10 more
  • Allow adjustment of time passing rate and pausing time
  • Increase surface area in sandbox mode for larger landscapes
  • Add more features and content
  • Add humans, animals, apes, tsunamis, waterfalls
  • Add aliens or dinosaurs
  • Add hurricanes and twisters to sandbox mode
  • Add a time speed option
  • Add volcanoes and magma to sandbox mode
  • Add a pollution feature
  • Add meta-material about algorithms and models for professional teaching

Physical Changes in Matter

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Earth Primer

No in-app purchases

None

Physical Changes in Matter

No in-app purchases

Questions

Is Earth Primer free?
Earth Primer costs $9.99, with no in-app purchases.
Is Physical Changes in Matter free?
Physical Changes in Matter is free to download, with no in-app purchases.
Do Earth Primer or Physical Changes in Matter have ads?
Neither Earth Primer nor Physical Changes in Matter shows ads.

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