ClassDojo vs PS 33 Chelsea Prep
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ClassDojo
This platform connects teachers, parents, and students to foster positive classroom communities. It facilitates communication, shares updates like photos and videos, and provides engaging learning content for children. The goal is to make education more enjoyable and keep everyone informed about school activities.
- Safe teacher-parent communication
- Photo and video updates from teachers
- Fun learning content for kids
- School news and updates
- Positive behavior management tools
- Progress sharing
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It’s time to build better classrooms. Class Dojo is a game-changing platform designed for teachers, parents and kids. The end goal? Giving kids an education they love. Here’s how. * Teachers and parents can safely and easily communicate throughout the school day * Parents get photo and video updates from their child’s teacher, so they can feel like they’re there * Kids get fun learning content at school and at home * Everyone stays in the know on the latest and greatest school news and updates. *Did we mention it’s free? Join the millions strong in 180 countries that are making their classrooms feel more like communities. "I’ve divided my time teaching as B.C. and A.C.: before ClassDojo, and after ClassDojo. I never want to go back!" — Jen E., an elementary school teacher The Plus Experience When parents start using ClassDojo and are ready for more of what they love, there’s ClassDojo Plus—more memories, more moments, more milestones. And yes, more answers to “how was school today?” Terms of use: https://www.classdojo.com/terms Privacy policy: https://www.classdojo.com/privacy
PS 33 Chelsea Prep
This app connects parents, students, teachers, and administrators with school news, event calendars, and online resources. It provides quick access to important information and tools to keep the school community informed and engaged.
- School news updates
- Event calendars
- Interactive resources
- Online resource access
- Community connection
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The PS 33 Chelsea Prep app enables parents, students, teachers and administrators to quickly access the resources, tools, news and information to stay connected and informed! The PS 33 Chelsea Prep app features: - Important news from your school - Interactive resources including event calendars and more - Quick access to online resources
Screenshots
Verdict
The clearest difference is in-app purchases: PS 33 Chelsea Prep at none against ClassDojo's 10. PS 33 Chelsea Prep also leads on iOS requirement (13.0 vs 18.0). ClassDojo's advantage is update cadence (every 2 days vs every 3 weeks) and ratings volume (4.1M vs 1). On price, rating, 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
Both are free to download. ClassDojo sells 9 in-app purchases, starting at $6.99 per month. PS 33 Chelsea Prep asks for nothing beyond the download.
PS 33 Chelsea Prep holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: ClassDojo has 4.1M ratings behind it against 1, so its average is the more settled of the two.
ClassDojo ships an update every 2 days, PS 33 Chelsea Prep every 3 weeks. The most recent releases landed on November 10, 2026 and November 3, 2026 respectively.
| Parameter | ClassDojo | PS 33 Chelsea Prep |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (4.1M ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 68.7% of reviews | — |
| Number of ratings | 4.1M — better | 1 |
| Update frequency | Every 2 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Best chart rank | #5 — better | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 222 MB | 70 MB |
| Age rating | 4+ | 4+ |
| Developer | ClassDojo, Inc. | PS 33 |
Customer experience
ClassDojo
PS 33 Chelsea Prep
Bugs and requests
ClassDojo
Reported bugs
3 issues- Inconsistent notification delivery
- Progress data disappearing or resetting
- Difficulties with uploading and sharing content
Requested features
5 requests- Ability to download student photos and work
- Option to filter and unfollow posts not relevant to a student
- Improved search and organization of posts
- Scheduling feature for posting class updates
- Ability to send group messages to other parents
PS 33 Chelsea Prep
Not enough reviews yet to summarise bugs or requests.
In-app purchases
ClassDojo
- ClassDojo Plus Basic7 Days trial$6.991 Month
- ClassDojo Plus Basic7 Days trial$7.991 Month
- ClassDojo Plus Basic$7.991 Month
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- ClassDojo Plus Basic7 Days trial$8.991 Month
- Dojo Sparks7 Days trial$9.991 Month
- ClassDojo Plus Basic7 Days trial$9.991 Month
- ClassDojo Plus Basic$9.991 Month
- ClassDojo Plus Basic7 Days trial$10.991 Month
- ClassDojo Plus Basic7 Days trial2 variants$69.991 Year
PS 33 Chelsea Prep
No in-app purchases
