Classkick vs PhET Simulations
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Classkick
This app allows students to complete assignments digitally and receive instant feedback from teachers and classmates. Educators can create paperless assignments, monitor student progress in real-time, and facilitate peer-to-peer learning. It aims to increase student feedback and reduce grading time.
- Create paperless assignments
- Real-time student work monitoring
- Instant teacher feedback
- Anonymous peer-to-peer help
- Work at own pace
- Ask for help privately
Read full descriptionHide full description
Classkick is a free app that students work on and get help instantly from their teacher and peers. Students work on assignments with their Chromebooks, laptops, or iPads, while getting help from teachers and peers instantly. Teachers create assignments, see all their students’ work in real-time, and give LOTS of student feedback. Best of all, students can help each other anonymously. Using Classkick, feedback to students increases by 300% and grading time is cut in half. “Classkick is every teacher’s dream.” - Lynne Shalman, Chapin School “Students love Classkick...it was magic!” - Greg Port, Seton College TEACHERS... - CREATE paperless assignments using existing worksheets, audio, video or web content. - SEE every students’ work simultaneously. - GIVE instant feedback when it is most important. - FACILITATE peer-to-peer feedback and learning. STUDENTS... - WORK at their own pace and even on their own time. - ASK for help privately. - HELP their peers. USE IT... - in class or at home. - in traditional or flipped classrooms. - as a group together or on your own time individually. FOR… - assignments - quizzes - station work - do nows/exit slips - guided practice - independent practice - homework
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.
- Interactive science and math simulations
- Offline play capability
- Multiple language support
- Customizable favorites collection
- Automatic simulation updates
- Easy simulation sorting
Read full descriptionHide full description
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
Verdict
The clearest difference is price: Classkick at Free against PhET Simulations's $0.99. Classkick also leads on update cadence (every 9 days vs every 14 months) and ratings volume (727 vs 49). PhET Simulations's advantage is rating (4.5 vs 3.1) and review sentiment (66% vs 33%). On ads, in-app purchases 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
Classkick is free to download; PhET Simulations costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
PhET Simulations holds the better App Store score, 4.5 against 3.1. That said, the two scores are not equally well evidenced: Classkick has 727 ratings behind it against 49, so its average is the more settled of the two. Written reviews point the same way: 33% of Classkick's written reviews are positive against 66% of PhET Simulations's.
Classkick ships an update every 9 days, PhET Simulations every 14 months. Both last shipped on October 11, 2026.
| Parameter | Classkick | PhET Simulations |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 3.1 (727 ratings) | 4.5 (49 ratings) — better |
| Positive reviews | 33.1% of reviews | 65.5% of reviews — better |
| Number of ratings | 727 — better | 49 |
| Update frequency | Every 9 days — better | Every 14 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Best chart rank | — | #74 — better |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 15 | 15.0 |
| Further details — not scored | ||
| Size | 73 MB | 125 MB |
| Age rating | 4+ | 4+ |
| Developer | Classwork Co | University of Colorado Boulder |
Customer experience
Classkick
PhET Simulations
Bugs and requests
Classkick
Reported bugs
3 issues- Assignments not loading properly
- Inability to save or access work
- Incompatibility with newer devices/OS
Requested features
4 requests- Add split-screen support
- Improve text/writing controls
- Better Apple Pencil integration
- Enhance stability and performance
PhET Simulations
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Classkick
No in-app purchases
PhET Simulations
No in-app purchases
Questions
Is Classkick free?
Is PhET Simulations free?
Which has better reviews, Classkick or PhET Simulations?
Do Classkick or PhET Simulations have ads?
Which is updated more often, Classkick or PhET Simulations?
Other comparisons















