Comparison

Data Collection vs Clinical Tree

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

Head to head
About

Data Collection

This app allows researchers to capture accelerometer, gyroscope, and magnetometer data directly from their iOS devices. It time stamps the captured data and includes Apple's enhanced device motion for research or experimentation.

Highlights
  • Capture accelerometer data
  • Capture gyroscope data
  • Capture magnetometer data
  • Time-stamped data
  • Includes enhanced device motion data
Features
Read full description

This app was developed for researchers so that they may capture accelerometer, gyroscope, and magnetometer data directly from their iOS device to use for research or play around with. The data is time stamped and the data from Apple's enhanced device motion is included for reference.

About

Clinical Tree

Access a vast medical knowledge base with quick answers to health questions. Explore detailed information on symptoms, diseases, and treatments across numerous clinical specialties. Stay updated with daily new content and specialized databases.

Highlights
  • Instant medical answer search
  • Information on symptoms and treatments
  • Daily updated articles and videos
  • Over 1,000,000 specialized databases
  • Covers numerous clinical specialties
  • Aids students and teachers
Features
Read full description

***Clinical Tree - Lead medical answers*** Get quick and accurate answers to your medical questions with our comprehensive database. Stay informed about symptoms, diseases, treatments, and more. Explore our extensive collection of articles, videos, and interactive tools to deepen your understanding of the medical specialties such as radiology, dentistry, musculoskeletal, gastroenterology, thoracic, obstetrics, nephrology, neurology, psychiatry, otolaryngology, ophthalmology, plastic surgery, veterinary, mursing, oncology, anesthesiology... Key Features: • Instantly search for medical answers • Find information on symptoms, treatments, and preventive measures in clinical specialties • Update every day the best and the lastest articles, books, journals, clinical cases, images, videos... • More than 1.000.000 specialized databases, including gastrointestinal, emergency, cardiovascular, musculoskeletal, radiographic anatomy, breast, MRI, chest, ultrasonography, CT , nuclear medicine, pediatric, genitourinary, FRCR, interventional radiology, neurological, head & neck... • Not only we help students quickly and comprehensively access all clinical knowledge but also help teachers prepare lectures easily.

Screenshots

Data Collection3 screens
Clinical Tree4 screens

Verdict

The call

The clearest difference is price: Clinical Tree at Free against Data Collection's $0.99. Clinical Tree also leads on rating (5.0 vs 3.1) and review sentiment (80% vs 61%). Data Collection's advantage is in-app purchases (none vs 10). On ratings volume, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Clinical Tree is free to download; Data Collection costs $0.99 up front. Clinical Tree sells 10 one-off in-app purchases. Data Collection asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Clinical Tree holds the better App Store score, 5.0 against 3.1. Both are backed by a comparable volume of ratings — 10 and 7 respectively. Written reviews point the same way: 61% of Data Collection's written reviews are positive against 80% of Clinical Tree's.

UpkeepUpdate frequency

Data Collection ships an update every 2 months, Clinical Tree monthly. The most recent releases landed on September 17, 2026 and September 10, 2026 respectively.

Scorecard6 real differences · 4 level
Data Collection versus Clinical Tree: the parameters behind the verdict, then further details
ParameterData CollectionClinical Tree
Price$0.99Free — better
Rating3.1 (10 ratings)5.0 (7 ratings) — better
Positive reviews60.9% of reviews80.0% of reviews — better
Number of ratings10 — better7
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.013.0 — better
Further details — not scored
Size1 MB83 MB
Age rating4+12+
DeveloperChris WoznyDuc Nguyen

Customer experience

Data Collection

All ratings10 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews23 reviews
Positive60.9%
Neutral21.7%
Negative17.4%

Clinical Tree

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

In-app purchases

None

Data Collection

No in-app purchases

10 purchases

Clinical Tree

One-time10
  • Single 9 package$8.99
  • Single 15 package$14.99
  • 6 month package$19.99
Show 7 more
  • Single 19 package$19.99
  • Single 25 package$24.99
  • 1 year package$29.99
  • Tzu N package$29.99
  • Tne N package$39.99
  • Nne N package$99.99
  • Lifetime package$99.99

Questions

Is Data Collection free?
Data Collection costs $0.99, with no in-app purchases.
Is Clinical Tree free?
Clinical Tree is free to download, with in-app purchases available.
Which has better reviews, Data Collection or Clinical Tree?
Clinical Tree is rated higher. Data Collection averages 3.1 out of 5 from 10 ratings, while Clinical Tree averages 5.0 from 7 ratings.
Do Data Collection or Clinical Tree have ads?
Neither Data Collection nor Clinical Tree shows ads.
Which is updated more often, Data Collection or Clinical Tree?
Data Collection ships an update every 2 months, and Clinical Tree monthly. Most recently, Data Collection was updated on September 17, 2026 and Clinical Tree on September 10, 2026.

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