Perseus vs Skeletal Dynamics
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Perseus
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Perseus guides the surgeon during femoral resection in TKA. Data acquired through a Bluetooth LE inertial sensor provide angle information for a better prosthesis alignment. All in three simple steps: -Press Start and select Left or Right limb -Start data Acquisition -Follow app instruction on Cutting guide positioning Visit our website for further information: http://www.smartperseus.com/ Perseus is an Orthokey Italia srl product: http://www.orthokey.com/
Skeletal Dynamics
This app serves as a resource for orthopedic device information. It is designed for both internal teams and external customers to access details about innovative orthopedic products.
- Orthopedic device design and marketing information
- Resource tool for internal teams
- Resource tool for customers
- Information on innovative orthopedic devices
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Skeletal Dynamics designs and markets innovative orthopedic devices. This App is designed to be a resource tool for our team and our customers.
Screenshots
Verdict
The clearest difference is iOS requirement: Perseus at 9.3 against Skeletal Dynamics's 16.0. On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Perseus ships an update every 3 months, Skeletal Dynamics every 2 months. The most recent releases landed on September 20, 2026 and October 1, 2026 respectively.
| Parameter | Perseus | Skeletal Dynamics |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (7 ratings) — better |
| Number of ratings | — | 7 — better |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPad | iPhone, iPad — better |
| Requires iOS | 9.3 — better | 16.0 |
| Further details — not scored | ||
| Size | 71 MB | 13 MB |
| Age rating | 17+ | 17+ |
| Developer | Orthokey Italia s.r.l. | Skeletal Dynamics, Inc. |
In-app purchases
Perseus
No in-app purchases
Skeletal Dynamics
No in-app purchases
Questions
Is Perseus free?
Is Skeletal Dynamics free?
Do Perseus or Skeletal Dynamics have ads?
Which is updated more often, Perseus or Skeletal Dynamics?
Other comparisons
