Perseus vs Total Joint Orthopedics
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/
Total Joint Orthopedics
This app offers high-quality implants for hip and knee replacements, featuring exceptional design and state-of-the-art materials. It streamlines inventory and instrumentation for efficient orthopedic procedures.
- High-quality hip and knee implants
- Exceptional design
- State-of-the-art materials
- Streamlined inventory
- Efficient instrumentation
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TJO. Exceptional design. State-of-the-art materials. Streamlined inventory and instrumentation. We provide high-quality, efficient implants for hip and knee replacement.
Screenshots
Verdict
The clearest difference is iOS requirement: Perseus at 9.3 against Total Joint Orthopedics's 16.6. 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, Total Joint Orthopedics every 5 months. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.
| Parameter | Perseus | Total Joint Orthopedics |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 3 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPad | iPhone, iPad — better |
| Requires iOS | 9.3 — better | 16.6 |
| Further details — not scored | ||
| Size | 71 MB | 14 MB |
| Age rating | 17+ | 12+ |
| Developer | Orthokey Italia s.r.l. | Total Joint Orthopedics, Inc. |
In-app purchases
Perseus
No in-app purchases
Total Joint Orthopedics
No in-app purchases
Questions
Is Perseus free?
Is Total Joint Orthopedics free?
Do Perseus or Total Joint Orthopedics have ads?
Which is updated more often, Perseus or Total Joint Orthopedics?
Other comparisons
