Comparison

CVD Study vs CrimsonZip

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

Head to head
About

CVD Study

Features
Read full description

The CVD Study application was designed to assist individuals in optimizing their cardiovascular health through medication management and blood pressure monitoring, as well as making positive changes in daily lifestyle habits that are known to reduce cardiovascular disease risk (e.g., increasing physical activity, decreasing sedentary time, consuming a heart-healthy diet, and reducing stress). This mobile health app will assist users in taking medications as they are prescribed, monitoring blood pressure and physical activity, and improving general knowledge on cardiovascular risk factors with a goal of optimizing an individual's cardiovascular health. Designed by a nurse, this mobile health application is a free resource available 24/7 that can be used to assist you in improving your cardiovascular health! *Please note, the information on this app is not a substitute for professional medical advice, diagnosis, or treatment. Users should seek advice from a medical provider before making any medical decisions.

About

CrimsonZip

Features
Read full description

CrimsonZip simplifies connecting within the Harvard community. Discover new activities, stay fit, join groups, make friends, learn a new sport, and have fun β€”all in one place! Whether you’re looking to create a shared interest group that everyone at Harvard can join or a private group just for your close friends, this app gives you the tools to do so. Looking to start a weekly soccer game, or a walking group? Groups not your thing, but looking for a workout partner? What about organizing a movie night? CrimsonZip is designed to foster a vibrant community by making it easier than ever to organize, share, and participate in the activities that matter to you. Discover new interests and passions all within one convenient platform. Everything you need to stay connected to your favorite activities is right here and exclusively for Harvard community members with an active HarvardKey.

Screenshots

CVD Study4 screens

Verdict

The call

The clearest difference is update cadence: CrimsonZip at every 3 weeks against CVD Study's every 15 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

CVD Study ships an update every 15 months, CrimsonZip every 3 weeks. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

Scorecard1 real difference Β· 5 level
CVD Study versus CrimsonZip: the parameters behind the verdict, then further details
ParameterCVD StudyCrimsonZip
PriceFreeFree
Update frequencyEvery 15 monthsEvery 3 weeks β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPod β€” betteriPhone
Requires iOS15.0 β€” better16.4
Further details β€” not scored
Size116 MB54 MB
Age rating4+4+
DeveloperRegents of the University of MinnesotaHarvard University

In-app purchases

None

CVD Study

No in-app purchases

None

CrimsonZip

No in-app purchases

Questions

Is CVD Study free?
CVD Study is free to download, with no in-app purchases.
Is CrimsonZip free?
CrimsonZip is free to download, with no in-app purchases.
Do CVD Study or CrimsonZip have ads?
Neither CVD Study nor CrimsonZip shows ads.
Which is updated more often, CVD Study or CrimsonZip?
CVD Study ships an update every 15 months, and CrimsonZip every 3 weeks. Most recently, CVD Study was updated on November 7, 2026 and CrimsonZip on October 30, 2026.

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