Comparison

Back and Spinal cord vs Whatzit

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

Head to head
About

Back and Spinal cord

Explore the anatomy of the back and spinal cord with this comprehensive digital atlas. It features 3D animations, interactive images, and detailed descriptions to help you understand anatomical positions, clinical manifestations, and applied aspects.

Highlights
  • Comprehensive anatomical plates
  • 3D animated reference tool
  • Interactive images with labels
  • Clinical manifestations of conditions
  • Detailed descriptions
  • Surface features and dermatomes
Features
Read full description

The Focus Digital Anatomy Atlas on Back and Spinal Cord - The most comprehensive Atlas with an exhaustive array of plates - A 3D animated, reference tool to recognize and comprehend anatomical positions, planes, dissection layers, and understand clinical manifestations of various medical conditions - Includes 3D animation videos of important applied aspects with clinical perspectives - Includes Interactive images with detailed description for each label, enabled with user-paced on/off feature and zoom-in /out options The topics discussed include: 1. Back - Surface features and dermatomes 2. Vertebral column - Overview of bones and joints 3. Regional vertebra - Cervical, thoracic, lumbar, sacral and coccygeal 4. Meninges - Spinal 5. Spinal cord - Exterior 6. Spinal cord - Internal features 7. Spinal nerves 8. Back - Superficial muscles, deep muscles, and blood supply Extensive information accessible through valuable visual tools using 3D animations accompanied by audio and interactive images. - Excellent Learning tool - Ideal for Knowledge retention - Reinforces knowledge through unlimited viewing - Enhances the learning and teaching experience

About

Whatzit

This secure platform aids in spine implant identification by allowing users to post X-rays for crowdsourced feedback. It utilizes proprietary AI-powered redaction technology to automatically remove sensitive text from images directly on your device before sharing.

Highlights
  • Spine implant identification
  • Crowdsourced X-ray feedback
  • AI-powered auto-redaction
  • On-device data processing
  • Secure image sharing
Currently charting
Read full description

Whatzit is a secure platform tailor-made for spine implant identification. Featuring the proprietary TextScrub auto-redaction technology, Whatzit is the ONLY secure way to post X-rays for crowdsourced feedback. What is TextScrub? Exclusive to Whatzit, TextScrub technology uses AI, computer vision and other proprietary processes to automatically redact text from X-rays prior to being posted in the Whatzit app. This lightning fast process takes place completely on your device without any communication with Whatzit's cloud-based servers. Un-redacted X-rays with potentially sensitive information should never leave your device. Please keep in mind as you use the Whatzit app that modern mobile applications are incredibly difficult to build and just as difficult to maintain. Let us know if you notice anything that seems off or if you find a bug. We'll do our best to find a remedy in a timely manner. Additional improvements and exciting new features are on the way. Be sure to check back often for updates.

Screenshots

Back and Spinal cord4 screens
Whatzit4 screens

Verdict

The call

The clearest difference is review sentiment: Whatzit at 82% against Back and Spinal cord's 0%. Whatzit also leads on rating (4.7 vs 1.0) and update cadence (every 6 weeks vs every 8 months). Back and Spinal cord's advantage is monetization model (free vs free with in-app purchases) and iOS requirement (9.0 vs 14.0). On price, 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

Both are free to download. Back and Spinal cord sells 9 one-off in-app purchases and Whatzit sells 3 in-app purchases, starting at $29.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Whatzit holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Whatzit has 38 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of Back and Spinal cord's written reviews are positive against 82% of Whatzit's.

UpkeepUpdate frequency

Back and Spinal cord ships an update every 8 months, Whatzit every 6 weeks. The most recent releases landed on October 24, 2026 and November 1, 2026 respectively.

Scorecard7 real differences · 4 level
Back and Spinal cord versus Whatzit: the parameters behind the verdict, then further details
ParameterBack and Spinal cordWhatzit
PriceFreeFree
Rating1.0 (2 ratings)4.7 (38 ratings) — better
Positive reviews0.0% of reviews81.8% of reviews — better
Number of ratings238 — better
Update frequencyEvery 8 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterFree with in-app purchases
Best chart rank—#167 — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS9.0 — better14.0
Further details — not scored
Size62 MB33 MB
Age rating12+17+
DeveloperFocus MedicaEssential Ventures LLC

Customer experience

Back and Spinal cord

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews2 reviews
Positive0.0%
Neutral50.0%
Negative50.0%

Whatzit

All ratings38 ratings
Positive92.1%
Neutral0.0%
Negative7.9%
Written reviews11 reviews
Positive81.8%
Neutral9.1%
Negative9.1%

In-app purchases

9 purchases

Back and Spinal cord

One-time9
  • Back - Surface Anatomy$2.99
  • Vertebral column: Overview$2.99
  • Anatomy - Regional vertebra$2.99
Show 6 more
  • Anatomy - Spinal: Meninges$2.99
  • Anatomy - Spinal cord$2.99
  • Anatomy -Spinal cord: Internal$2.99
  • Anatomy - Spinal nerves$2.99
  • Digital Anatomy Back Muscles$2.99
  • Back and Spinal cord - Buy All$12.99
3 purchases

Whatzit

Subscriptions2
  • Upgrade to Premium2 variants$29.991 Month
  • Upgrade to Premium2 variants$179.991 Year
One-time1
  • Boost Your Post$14.99

Questions

Is Back and Spinal cord free?
Back and Spinal cord is free to download, with in-app purchases available.
Is Whatzit free?
Whatzit is free to download, with in-app purchases available.
Which has better reviews, Back and Spinal cord or Whatzit?
Whatzit is rated higher. Back and Spinal cord averages 1.0 out of 5 from 2 ratings, while Whatzit averages 4.7 from 38 ratings.
Do Back and Spinal cord or Whatzit have ads?
Neither Back and Spinal cord nor Whatzit shows ads.
Which is updated more often, Back and Spinal cord or Whatzit?
Back and Spinal cord ships an update every 8 months, and Whatzit every 6 weeks. Most recently, Back and Spinal cord was updated on October 24, 2026 and Whatzit on November 1, 2026.

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