Comparison

iRadTech vs Skeletal Anatomy 3D

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

Head to head
About

iRadTech

This app provides detailed instructions and technical factors for over 200 radiographic positions, serving as a comprehensive guide for medical imaging professionals and students. It includes representative images, positioning details, and helpful notes, designed to align with ARRT content specifications and ASRT curriculum.

Highlights
  • 200+ radiographic positions
  • Technical factors and settings
  • Patient and part positioning
  • Representative radiographic images
  • Enlargeable positioning photographs
  • Search and save functions
  • ARRT content alignment
Features
Read full description

Radiographic Positioning Guide for Medical Imaging Professionals and Students Meets latest Apple requirements. Similar to x-ray pocket guide or reference booklet. Detailed instructions for more than 200 radiographic positions: 1. technical factors 2. image receptor size and orientation 3. patient and part positioning 4. respiration instructions 5. central ray entrance/exit points and angulation 6. image quality points 7. structures demonstrated Suggested digital imaging systems technical factor settings added for all positions (except nephrotomography) Representative radiographic image which can be enlarged for closer inspection. Enlargeable photograph of properly positioned human model showing the correctly collimated area of interest with the central ray entry point. A helpful NOTE tab for every position; save techniques, special terms, or other helpful information. Search function finds search term in position titles and/or instructions. My Routines function allows grouping of selected positions into a saved routine. My Notes function allows saving notes not related to a position. Developed using the ARRT Content Specifications to include nearly all ARRT entry-level radiographic positions. - “OPTIONAL” positions are included which may be ordered in clinical practice. These OPTIONAL positions are judged by the authors and other educational colleagues as handy references, but are not listed on the ARRT Radiography Content. Instructions referenced to the most recent ASRT Radiography Curriculum and national positioning texts. Written and edited by 2 Ph.D. radiography educators, each with more than 30 years of teaching experience. A convenient guide to positioning the patient and a valuable study aid for radiography students. A great reference and review tool for technologists and clinical instructors.

About

Skeletal Anatomy 3D

Explore the human skeletal system in 3D with interactive quizzes and detailed reference materials. Test your knowledge of 140 bones and landmarks, view high-resolution diagrams, and learn through video explanations. This app offers a comprehensive way to study and understand anatomy.

Highlights
  • 3D skeletal exploration
  • Speed Quiz with audio pronunciation
  • Detailed reference section
  • Nine interactive 3D models
  • 12 high-resolution diagrams
  • Hundreds of real bone images
  • Skeletal system video
Features
Read full description

An amazing 3d exploration into the skeletal system. Test your knowledge of 140 bones and landmarks with our Speed Quiz in 3D (with audio), or expand your knowledge with the reference section, nine 3D models, 12 Diagrams, hundreds of images of real bones, plus video that discusses the skeletal system. SPEED QUIZ 3D: Featuring 140 bones and landmark locations, plus an audio option that speaks the correct pronunciation of each structure as the quiz progresses. The quiz is randomized, and you can choose from a half quiz (70 questions), the full quiz (140 questions), or practice mode where you practice 10 questions at a time on an area you need help with. REFERENCE MODE: Choose the structure that you want to see, then view written comments, listen to the correct pronunciation, view diagrams of the structure, and see it rotating in 3D that you control, plus images of the real bone! DIAGRAMS: 12 pages covering the entire body. Each diagram is high resolution and can be zoomed in for detail. 3D MODELS: Nine 3D models which you control. Each model has stops along the rotation that are labeled, so you can get a better sense of what you are viewing. Includes the ankle, wrist, cranium, torso, elbow, knee, vertebrae, pelvis and sacrum. VIDEO: Learn the basics of the skeletal system in this high quality 10-minute video.

Screenshots

iRadTech4 screens
Skeletal Anatomy 3D4 screens

Verdict

The call

The clearest difference is price: Skeletal Anatomy 3D at $2.99 against iRadTech's $24.99. Skeletal Anatomy 3D also leads on update cadence (every 4 months vs every 8 months) and iOS requirement (9.0 vs 12.0). iRadTech's advantage is rating (4.6 vs 4.1) and review sentiment (86% vs 73%). On ads, in-app purchases 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

iRadTech costs $24.99 and Skeletal Anatomy 3D $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

iRadTech holds the better App Store score, 4.6 against 4.1. That said, the two scores are not equally well evidenced: iRadTech has 53 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 86% of iRadTech's written reviews are positive against 73% of Skeletal Anatomy 3D's.

UpkeepUpdate frequency

iRadTech ships an update every 8 months, Skeletal Anatomy 3D every 4 months. The most recent releases landed on October 22, 2026 and October 21, 2026 respectively.

Scorecard8 real differences · 3 level
iRadTech versus Skeletal Anatomy 3D: the parameters behind the verdict, then further details
ParameteriRadTechSkeletal Anatomy 3D
Price$24.99$2.99 — better
Rating4.6 (53 ratings) — better4.1 (10 ratings)
Positive reviews85.5% of reviews — better72.5% of reviews
Number of ratings53 — better10
Update frequencyEvery 8 monthsEvery 4 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
Best chart rank#19 — better—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.09.0 — better
Further details — not scored
Size122 MB156 MB
Age rating12+4+
DeveloperBallinger and Bruckner, LLPReal Bodywork

Customer experience

iRadTech

All ratings53 ratings
Positive90.6%
Neutral5.7%
Negative3.8%
Written reviews76 reviews
Positive85.5%
Neutral6.6%
Negative7.9%

Skeletal Anatomy 3D

All ratings10 ratings
Positive70.0%
Neutral10.0%
Negative20.0%
Written reviews160 reviews
Positive72.5%
Neutral13.8%
Negative13.8%

Bugs and requests

iRadTech

Not enough reviews yet to summarise bugs or requests.

Skeletal Anatomy 3D

Reported bugs

3 issues
  • Quizzes not recognizing correct answers
  • App freezing or crashing during use
  • Inconsistent or incorrect labeling of anatomical structures

Requested features

5 requests
  • More detailed diagrams and information on bones and landmarks
  • Ability to customize quiz content and difficulty
  • Addition of female skeleton option
  • Improved responsiveness and accuracy of quiz interactions
  • Expanded coverage of the skeletal system, including all 206 bones

In-app purchases

None

iRadTech

No in-app purchases

None

Skeletal Anatomy 3D

No in-app purchases

Questions

Is iRadTech free?
iRadTech costs $24.99, with no in-app purchases.
Is Skeletal Anatomy 3D free?
Skeletal Anatomy 3D costs $2.99, with no in-app purchases.
Which has better reviews, iRadTech or Skeletal Anatomy 3D?
iRadTech is rated higher. iRadTech averages 4.6 out of 5 from 53 ratings, while Skeletal Anatomy 3D averages 4.1 from 10 ratings.
Do iRadTech or Skeletal Anatomy 3D have ads?
Neither iRadTech nor Skeletal Anatomy 3D shows ads.
Which is updated more often, iRadTech or Skeletal Anatomy 3D?
iRadTech ships an update every 8 months, and Skeletal Anatomy 3D every 4 months. Most recently, iRadTech was updated on October 22, 2026 and Skeletal Anatomy 3D on October 21, 2026.

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