Comparison

Children’s Mercy CHAMP App vs PREP Self

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

Head to head
About

Children’s Mercy CHAMP App

This investigational app assists parents of children with complex diseases in communicating health information to their healthcare team. It is designed for use within specific research studies and is not for emergencies or real-time monitoring.

Highlights
  • Health information sharing
  • Communication with healthcare team
  • Supports children with complex diseases
  • Available in eleven languages
  • Investigational device for research studies
Read full description

CAUTION –CHAMP® App is an investigational device. Limited by Federal law to investigational use only. The CHAMP® App is an investigational (research) software application that was developed by Children’s Mercy Kansas City. The CHAMP App can only be used after signing an informed consent and HIPAA Research Authorization. The CHAMP® App is a tool parents and legally authorized representatives (LAR) of children with complex diseases can use to assist with communicating health information about the child to the health care team. The CHAMP® App sends the information you collect to your child’s health care team. CHAMP® sends you a notification reminder whenever a recorded measurement still needs to be shared with your child's health care team. The CHAMP® App research studies (each called a “Research Study”) will evaluate whether communication between parents and the health care team is improved by the use of the CHAMP® App. The information sent to the health care team may vary, depending on the Research Study. The CHAMP® App is not intended to be used in an emergency. If you are worried that your child could be experiencing severe or life-threatening condition, call 911 immediately. The CHAMP® App is not a real-time communication system and is not intended to be an active patient monitoring device. Your child’s health care team may not see information from the CHAMP® App right away. The CHAMP® App is not intended to diagnose, cure, treat, mitigate or prevent disease or health conditions. The app is not intended to diagnose, cure, treat, mitigate or prevent disease or health conditions. The app is a tool caregivers can use at home to assist with disease management of inter-stage babies. Your child must be actively enrolled in a CHAMP Research Study at Children’s Mercy Kansas City or another participating health care provider in order to use the CHAMP® App. More details about the CHAMP App and each Research Study are available through the informed consent process. The CHAMP App is available in eleven languages, including: English, Spanish, French, German, Arabic, Filipino, Korean, Chinese, Burmese, Somali, and Vietnamese.

About

PREP Self

Access trusted pediatric learning content through a new mobile app. Build a personalized question bank by selecting blocks from various content areas to fit your learning style and schedule. Earn CME credits and MOC points with each block.

Highlights
  • Trusted PREP content
  • Customizable question bank
  • Case-based questions
  • Earn CME credits
  • Earn MOC points
  • Modern user interface
Read full description

Trusted PREP® Content, New Mobile App! For nearly 45 years, the PREP Self-Assessment Program has been a trusted source for pediatric learning and professional growth. Now, we're reimagining the experience. Meet PREP Blocks: A new, customizable way to access the same trusted PREP questions you know and value, designed to fit your learning style, pace, and schedule. • Enjoy a modern, user-friendly interface with a long-awaited mobile app and new desktop experience • Build a Question Bank by selecting blocks from content areas that match your goals • 20 case-based questions per block • Earn up to 4 AMA PRA Category 1 Credits™ and 4 MOC Part 2 Points with each block

Screenshots

Children’s Mercy CHAMP App4 screens
PREP Self4 screens

Verdict

The call

The clearest difference is rating: Children’s Mercy CHAMP App at 5.0 against PREP Self's 3.7. PREP Self's advantage is update cadence (daily vs every 2 months) and ratings volume (9 vs 1). On price, ads, in-app purchases and monetization model 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

Children’s Mercy CHAMP App holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: PREP Self has 9 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Children’s Mercy CHAMP App ships an update every 2 months, PREP Self daily. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
Children’s Mercy CHAMP App versus PREP Self: the parameters behind the verdict, then further details
ParameterChildren’s Mercy CHAMP AppPREP Self
PriceFreeFree
Rating5.0 (1 ratings) — better3.7 (9 ratings)
Positive reviews—66.7% of reviews
Number of ratings19 — better
Update frequencyEvery 2 monthsDaily — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.6 — better
Further details — not scored
Size87 MB44 MB
Age rating17+4+
DeveloperChildren's Mercy HospitalAmerican Academy of Pediatrics

Customer experience

Children’s Mercy CHAMP App

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

PREP Self

All ratings9 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

None

Children’s Mercy CHAMP App

No in-app purchases

None

PREP Self

No in-app purchases

Questions

Is Children’s Mercy CHAMP App free?
Children’s Mercy CHAMP App is free to download, with no in-app purchases.
Is PREP Self free?
PREP Self is free to download, with no in-app purchases.
Which has better reviews, Children’s Mercy CHAMP App or PREP Self?
Children’s Mercy CHAMP App is rated higher. Children’s Mercy CHAMP App averages 5.0 out of 5 from 1 ratings, while PREP Self averages 3.7 from 9 ratings.
Do Children’s Mercy CHAMP App or PREP Self have ads?
Neither Children’s Mercy CHAMP App nor PREP Self shows ads.
Which is updated more often, Children’s Mercy CHAMP App or PREP Self?
Children’s Mercy CHAMP App ships an update every 2 months, and PREP Self daily. Most recently, Children’s Mercy CHAMP App was updated on October 16, 2026 and PREP Self on October 24, 2026.

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