Comparison

COSI Science vs CareDay

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

Head to head
About

COSI Science

Explore science at home with engaging videos and hands-on activities. Participate in citizen science projects or take virtual tours. This app brings the Center of Science and Industry's educational content to your family.

Highlights
  • At-home science discovery
  • Engaging science videos
  • Hands-on science activities
  • Citizen science participation
  • Virtual museum tours
  • Science challenges
Features
Read full description

Check out the COSI app for fun at-home science discovery and learning! Every weekday, we provide exciting and engaging science through COSI videos and hands-on science you can try with your family at home through COSI Connects. Try a Science Challenge, participate in a Citizen Science activity, or take a virtual tour through the American Museum of Natural History Dinosaur Gallery. COSI, Columbus, Ohio's dynamic Center of Science and Industry, inspires the scientists, dreamers, and innovators of tomorrow. Opened in 1964 at Memorial Hall in downtown Columbus, COSI moved in 1999 to a new 320,000-square-foot home designed by internationally-renowned architect Arata Isozaki, creating one of the largest modern-built science centers in the United States.

About

CareDay

This app connects parents and childcare providers for seamless daily communication. Parents receive real-time updates, photos, and messages about their child's day. Providers can efficiently track activities, share updates, and manage child profiles.

Highlights
  • Real-time child updates
  • Photo and video sharing
  • Instant messaging with teachers
  • Attendance and activity tracking
  • Child profile management
  • Multi-child support
Features
Read full description

CareDay is a complete solution that integrates all the different roles and services of a childcare facility into a single product! As an extension of the CareDay Admin Dashboard, the CareDay app is a daily communication tool for childcare teachers and parents to stay connected throughout the busy day in the classroom. As a parent, you will never miss a moment of your child’s day and can stay connected with their caregivers. The CareDay app allow parents to: ■ Receive real time updates of your child’s day based on your notification preferences ■ View and share photos and videos of your child and the learning experiences they’re having ■ Filter your child’s feed based on type of activity ■ Instant message with their teachers and administrators ■ View your child’s teachers and their certifications ■ View your center’s special events ■ Easily toggle between multiple children As a childcare provider, your day is busy from start to finish! CareDay provides efficient tracking in an easy to use interface! The CareDay app allows caregivers to: ■ Easily and efficiently track attendance, meals, potties, and curriculum activities - either per individual child or for multiple children at once! ■ Send high quality photos and videos to parents throughout the day ■ Instant message with parents ■ View child profile details including any allergies, special dietary requirements, or health care plans All child profiles and schedules, parent & teacher profiles, and planned meals & curriculum are integrated seamlessly from the CareDay Admin dashboard.

Screenshots

COSI Science3 screens
CareDay4 screens

Verdict

The call

The clearest difference is update cadence: CareDay at every 3 weeks against COSI Science's every 2 months. CareDay also leads on rating (4.3 vs 4.1). COSI Science's advantage is iOS requirement (11.0 vs 16.0). On price, review sentiment, ratings volume and ads 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

CareDay holds the better App Store score, 4.3 against 4.1. Both are backed by a comparable volume of ratings — 27 and 54 respectively. Written reviews point the same way: 64% of COSI Science's written reviews are positive against 71% of CareDay's.

UpkeepUpdate frequency

COSI Science ships an update every 2 months, CareDay every 3 weeks. The most recent releases landed on September 26, 2026 and October 14, 2026 respectively.

Scorecard3 real differences · 7 level
COSI Science versus CareDay: the parameters behind the verdict, then further details
ParameterCOSI ScienceCareDay
PriceFreeFree
Rating4.1 (27 ratings)4.3 (54 ratings) — better
Positive reviews64.3% of reviews70.8% of reviews — better
Number of ratings2754 — better
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS11.0 — better16.0
Further details — not scored
Size21 MB89 MB
Age rating4+4+
DeveloperCOSICareDay Solutions LLC

Customer experience

COSI Science

All ratings27 ratings
Positive77.8%
Neutral3.7%
Negative18.5%
Written reviews14 reviews
Positive64.3%
Neutral7.1%
Negative28.6%

CareDay

All ratings54 ratings
Positive79.6%
Neutral3.7%
Negative16.7%
Written reviews24 reviews
Positive70.8%
Neutral4.2%
Negative25.0%

In-app purchases

None

COSI Science

No in-app purchases

None

CareDay

No in-app purchases

Questions

Is COSI Science free?
COSI Science is free to download, with no in-app purchases.
Is CareDay free?
CareDay is free to download, with no in-app purchases.
Which has better reviews, COSI Science or CareDay?
CareDay is rated higher. COSI Science averages 4.1 out of 5 from 27 ratings, while CareDay averages 4.3 from 54 ratings.
Do COSI Science or CareDay have ads?
Neither COSI Science nor CareDay shows ads.
Which is updated more often, COSI Science or CareDay?
COSI Science ships an update every 2 months, and CareDay every 3 weeks. Most recently, COSI Science was updated on September 26, 2026 and CareDay on October 14, 2026.

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