Comparison

Dermatomes vs Surgery Exchange

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

Head to head
About

Dermatomes

This app offers a detailed, zoomable map of spinal nerve roots and their corresponding skin sensation areas. It includes charts of important landmarks and is designed for medical professionals and students as a quick reference for neuroanatomy.

Highlights
  • Zoomable dermatome map
  • Anterior and posterior views
  • Cutaneous nerve distribution
  • Reference chart of landmarks
  • Pinch-to-zoom functionality
Features
Read full description

Dermatomes is a handy reference map of which spinal nerve roots relay sensation from particular areas of the skin along with a cutaneous nerve distribution. Dermatomes provides a zoomable map of anterior and posterior dermatomes and cutaneous nerve distributions with a reference chart of important landmarks . Pinch to zoom in and out on the map. Dermatomes is an essential reference for neurologists, emergency physicians, family doctors, medical students, physiotherapists, chiropractors, osteopaths and other medical professionals – or anyone curious about neuroanatomy and the workings of the human body. Featured in Apple's 2010 essential apps for medical students. Consult a doctor if you are experiencing neurological symptoms. This app should not be relied upon to make clinical decisions, which remain the full responsibility of the user. Dermatomes are variable between individuals and the pattern of sensory loss is usually less than the entire dermatome, because of overlap. The map and landmarks presented are a consensus view drawn from numerous sources. Dermatomes comes with lifetime email support.

About

Surgery Exchange

This HIPAA-compliant software streamlines the "Bill Only" implant surgery workflow for providers. It manages scheduling, case planning, usage capture, and purchase order issuance, ensuring contract compliance and improving revenue cycle management.

Highlights
  • HIPAA/PHI compliant
  • Manages "Bill Only" implant workflow
  • Supports case planning
  • Captures usage data
  • Automates purchase orders
  • Ensures contract compliance
  • Improves revenue cycle management
Features
Read full description

SURGERY EXCHANGE SOLUTIONS Surgery Exchange Solutions are HIPAA/PHI compliant software specifically designed to support the provider in managing the complicated implant “Bill Only” surgery workflow starting when surgery is scheduled, then moving to case planning activities, capturing usage, and issuing vendor’s purchase order. BENEFITS • Deliver 100% contract compliance in real time • Capture 100% of all charted bill only items • Improve revenue cycle management • Reduce handling costs through automation

Screenshots

Dermatomes3 screens
Surgery Exchange4 screens

Verdict

The call

The clearest difference is price: Surgery Exchange at Free against Dermatomes's $0.99. Surgery Exchange also leads on rating (5.0 vs 3.0) and review sentiment (100% vs 64%). Dermatomes's advantage is iOS requirement (11.0 vs 15.1). On ratings volume, update cadence, ads and in-app purchases 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

Surgery Exchange is free to download; Dermatomes costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Surgery Exchange holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews point the same way: 64% of Dermatomes's written reviews are positive against 100% of Surgery Exchange's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 15, 2026 and September 28, 2026 respectively.

Scorecard5 real differences · 5 level
Dermatomes versus Surgery Exchange: the parameters behind the verdict, then further details
ParameterDermatomesSurgery Exchange
Price$0.99Free — better
Rating3.0 (4 ratings)5.0 (2 ratings) — better
Positive reviews63.9% of reviews100.0% of reviews — better
Number of ratings4 — better2
Update frequencyEvery 6 weeksEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.1
Further details — not scored
Size17 MB42 MB
Age rating12+4+
DeveloperCodev LtdMedTech Exchange, Inc.

Customer experience

Dermatomes

All ratings4 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews36 reviews
Positive63.9%
Neutral0.0%
Negative36.1%

Surgery Exchange

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Dermatomes

No in-app purchases

None

Surgery Exchange

No in-app purchases

Questions

Is Dermatomes free?
Dermatomes costs $0.99, with no in-app purchases.
Is Surgery Exchange free?
Surgery Exchange is free to download, with no in-app purchases.
Which has better reviews, Dermatomes or Surgery Exchange?
Surgery Exchange is rated higher. Dermatomes averages 3.0 out of 5 from 4 ratings, while Surgery Exchange averages 5.0 from 2 ratings.
Do Dermatomes or Surgery Exchange have ads?
Neither Dermatomes nor Surgery Exchange shows ads.
Which is updated more often, Dermatomes or Surgery Exchange?
Dermatomes ships an update every 6 weeks, and Surgery Exchange every 6 weeks. Most recently, Dermatomes was updated on October 15, 2026 and Surgery Exchange on September 28, 2026.

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