Otnac vs PeriopSim
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Otnac
This application allows project team members and system administrators of organizations using Epic Canto to preview upcoming development before it is released to clinicians. Access requires administrator security within an organization that is live on or installing Canto. Clinical users should download the standard Epic Canto app instead.
- Preview upcoming Epic Canto development
- For project team members
- For system administrators
- Requires Epic Canto installation
- Administrator security access
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With Otnac, project team members and system administrators of organizations using Epic Canto can preview upcoming development before it is released to clinicians. To use this application, your organization must either be live on or installing Canto. Additionally, you must have appropriate administrator security within your organization. If you are a clinical user of Epic Canto, please be aware that you will not be able to access Otnac. Instead, you should download the current version of Epic Canto from the App Store.
PeriopSim
This tool allows operating room educators to train nurses and surgical technologists on surgical procedures. It offers safe practice, instrument recognition, and step-by-step preparation for unfamiliar surgeries through interactive video and timed challenges.
- Safe surgical skills practice
- Instrument recognition training
- Interactive real surgery videos
- Step-by-step procedure preparation
- Timed skill challenges
- Leaderboard scoring
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PeriopSim is a simulation learning tool for Operating Room Educators to incorporate into their curriculums for new and continuing education of nurses and surgical technologists. Confidence is the top educator and learner value of using PeriopSim. With PeriopSim you can: - Practice surgical skills safely, before surgery - Anticipate the surgeon for many procedures - Learn to recognize and select surgical instruments - Interact with video of real surgeries - Prepare for unfamiliar surgical procedures step-by-step - Reduce stress by rehearsing surgeries - Test and hone your skills with scoring and timed challenges - Check your score on the leaderboard PeriopSim takes a 1 hour long surgical procedure and delivers a 10-minute simulation. Get 6 experiences in 1 hour.
Verdict
The clearest difference is update cadence: Otnac at every 3 weeks against PeriopSim's every 5 months. PeriopSim's advantage is rating (3.3 vs 3.0) and iOS requirement (13.0 vs 18.0). On price, ratings volume, 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.
PeriopSim holds the better App Store score, 3.3 against 3.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively.
Otnac ships an update every 3 weeks, PeriopSim every 5 months. The most recent releases landed on November 6, 2026 and November 1, 2026 respectively.
| Parameter | Otnac | PeriopSim |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) | 3.3 (4 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 2 | 4 — better |
| Update frequency | Every 3 weeks — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPad | iPad, Mac — better |
| Requires iOS | 18.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 567 MB | 130 MB |
| Age rating | 17+ | 17+ |
| Developer | Epic | Conquer Experience Inc |
Customer experience
Otnac
PeriopSim
In-app purchases
Otnac
No in-app purchases
PeriopSim
No in-app purchases
Questions
Is Otnac free?
Is PeriopSim free?
Which has better reviews, Otnac or PeriopSim?
Do Otnac or PeriopSim have ads?
Which is updated more often, Otnac or PeriopSim?
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