Comparison

Dr.D vs i4SY

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

Head to head
About

Dr.D

Features
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Dr. D is a cutting-edge platform developed by experts in Emergency and Critical Care with decades of clinical and academic experience. It is crafted to empower healthcare professionals, including doctors and nurses, to excel in their careers by mastering essential skills and achieving top results in competitive medical exams such as MRCEM, UK medical exams, FMGE, NEET, and other medical entrance tests. Known for delivering outstanding success rates, Dr. D specializes in simplifying complex medical concepts, focusing on areas such as ECG interpretation, X-ray analysis, ventilator management, and toxicology. The platform employs innovative techniques, including mnemonics, tips, and tricks, to enhance learning and retention. Additionally, Dr. D emphasizes the importance of time management, motivation, and productivity, equipping users with tools to stay focused and achieve their goals. With a legacy of guiding millions of medical professionals and students globally, Dr. D fosters confidence and competence in Emergency Medicine and Critical Care. Whether you're preparing for a crucial exam or looking to enhance your practical knowledge, Dr. D provides the resources and expertise you need to excel in your field. It's a trusted partner for anyone committed to advancing their medical career.

About

i4SY

Read full description

Inside the i4SY app, you can: Access all of your videos in one easy to use app Receive push notifications with the latest news and updates Access to all of your videos without having to remember your password Save your favorite posts so you can quickly find them later END USER LICENSE AGREEMENT https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Dr.D4 screens
i4SY4 screens

Verdict

The call

The clearest difference is update cadence: i4SY at every 3 weeks against Dr.D's every 4 months. Dr.D's advantage is iOS requirement (13.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

Dr.D ships an update every 4 months, i4SY every 3 weeks. The most recent releases landed on September 10, 2026 and September 23, 2026 respectively.

Scorecard2 real differences ยท 4 level
Dr.D versus i4SY: the parameters behind the verdict, then further details
ParameterDr.Di4SY
PriceFreeFree
Update frequencyEvery 4 monthsEvery 3 weeks โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS13.0 โ€” better16.6
Further details โ€” not scored
Size257 MB50 MB
Age rating4+4+
DeveloperRaiza ShukoorAysha Sheslyn

In-app purchases

None

Dr.D

No in-app purchases

None

i4SY

No in-app purchases

Questions

Is Dr.D free?
Dr.D is free to download, with no in-app purchases.
Is i4SY free?
i4SY is free to download, with no in-app purchases.
Do Dr.D or i4SY have ads?
Neither Dr.D nor i4SY shows ads.
Which is updated more often, Dr.D or i4SY?
Dr.D ships an update every 4 months, and i4SY every 3 weeks. Most recently, Dr.D was updated on September 10, 2026 and i4SY on September 23, 2026.

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