Comparison

Triamudom eBook vs PhET Simulations

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

Head to head
About

Triamudom eBook

Features
Read full description

Triamudom eBook, It also provides features that help users storing and selecting varieties of books. With its systematic categorization management, the items in the library will be categorized into types: newspapers; books; magazines; photo albums; and catalogs. They can be further searched with alphabetical keyword index. The contents of the library can be displayed by: titles display covers, spine or name list. The actual viewing is like flipping the pages of a real book. And the user can customize the customize various page display scales : Thumbnail or perform zoom functions such as Magnifier View.

About

PhET Simulations

Explore science and math concepts through interactive simulations. This app provides over 75 HTML5 simulations for learning about atoms, energy, multiplication, and more. It's ideal for students, parents, and educators, offering offline access and multiple language support.

Highlights
  • Interactive science and math simulations
  • Offline play capability
  • Multiple language support
  • Customizable favorites collection
  • Automatic simulation updates
  • Easy simulation sorting
Features
Currently charting
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Engage in learning science and math with the award-winning PhET simulations! Whether understanding atoms, exploring energy, or mastering multiplication, there is a sim for every learner. Perfect for at home, in class, or on the road, this app delivers all PhET HTML5 sims (over 75 sims) in one easy-to-use package. Developed by experts at the University of Colorado Boulder, PhET sims are used by millions of students every year. The PhET iPad app delivers these exclusive features: • Offline play: learn on the bus or at the park without a WiFi connection. • Multiple languages: app translate in many languages (great for bilingual learners). • Favorites: pick your favorite sims and create your own custom collection. • Automatic updates: get the latest HTML5 sims as soon as they are released. • Easy sorting: find the right sims for you. • Fullscreen: maximize your screen real estate for optimal sim exploration. PARENTS: Engage your child in science and math discovery. TEACHERS: Your favorite HTML5 sims at your fingertips, even without internet access. ADMINISTRATORS: Optimized for school use, so your teachers will be seamlessly up to date. STUDENTS: Tell your parents there’s an exciting app for learning science and math. Note: The app does not include PhET’s Java or Flash sims. In addition, although we are currently working on improving the accessibility of our sims, most of the sims included in this app do not include keyboard navigation or screen reader access. As accessible sims become available, they will be updated within the app. Proceeds from the app support the development of more HTML5 sims. On behalf of the PhET team and the students whose lives you have helped improve — Thank you!

Screenshots

Triamudom eBook3 screens
PhET Simulations3 screens

Verdict

The call

The clearest difference is price: Triamudom eBook at Free against PhET Simulations's $0.99. Triamudom eBook also leads on update cadence (every 5 months vs every 14 months) and iOS requirement (8.3 vs 15.0). PhET Simulations's advantage is chart position (#46 vs unranked). 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

CostPrice · In-app purchases · Ads · Monetization

Triamudom eBook is free to download; PhET Simulations costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Triamudom eBook ships an update every 5 months, PhET Simulations every 14 months. The most recent releases landed on November 6, 2026 and November 11, 2026 respectively.

Scorecard4 real differences · 7 level
Triamudom eBook versus PhET Simulations: the parameters behind the verdict, then further details
ParameterTriamudom eBookPhET Simulations
PriceFree — better$0.99
Rating—4.5 (48 ratings) — better
Positive reviews—65.5% of reviews
Number of ratings—48 — better
Update frequencyEvery 5 months — betterEvery 14 months
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
Best chart rank—#46 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.3 — better15.0
Further details — not scored
Size27 MB125 MB
Age rating4+4+
DeveloperOpenserve Co.,Ltd.University of Colorado Boulder

In-app purchases

None

Triamudom eBook

No in-app purchases

None

PhET Simulations

No in-app purchases

Questions

Is Triamudom eBook free?
Triamudom eBook is free to download, with no in-app purchases.
Is PhET Simulations free?
PhET Simulations costs $0.99, with no in-app purchases.
Do Triamudom eBook or PhET Simulations have ads?
Neither Triamudom eBook nor PhET Simulations shows ads.
Which is updated more often, Triamudom eBook or PhET Simulations?
Triamudom eBook ships an update every 5 months, and PhET Simulations every 14 months. Most recently, Triamudom eBook was updated on November 6, 2026 and PhET Simulations on November 11, 2026.

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