iCCS vs The Ottawa Rules
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iCCS
Access comprehensive cardiovascular guidelines and knowledge translation tools. This app provides the full text of key guidelines, along with supplementary resources like infographics, webinars, and pocket guides. New guidelines and tools will be added periodically.
- Comprehensive CCS Guidelines
- Knowledge Translation Tools
- Infographics and Webinars
- Pocket Guides and Summary Sheets
- Regularly Updated Content
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The iCCS app provides users with top CCS Guidelines. Read and use CCS Guidelines in practice, for teaching, and self-guided learning. Click on a topic in the app to view the table of contents, then navigate by chapter and section. iCCS includes Guidelines on: - Fitness to Drive (2023) - Peripheral Arterial Disease (2022) - Cardiorenal Risk Reduction (2022) - Heart Failure (2017, 2020, 2021) - Dyslipidemia (2021) - Atrial Fibrillation (2020) Visit www.ccs.ca/guidelines for many more Guidelines, Clinical Practice Updates, clinical decision support tools and resources including infographics, educational webinars, slide sets and pocket guides.
The Ottawa Rules
This app provides accessible clinical decision rules developed by researchers to help healthcare professionals make informed choices. It aims to reduce unnecessary diagnostic imaging and emergency room wait times, improving patient comfort and healthcare costs.
- Accessible clinical decision rules
- Reduces unnecessary imaging
- Decreases ER wait times
- Enhances patient comfort
- Lowers healthcare costs
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The Ottawa Rules are a set of clinical decision rules developed by Dr. Ian Stiell and his research team at The Ottawa Hospital Research Institute and the University of Ottawa. The rules have been demonstrated to decrease unnecessary diagnostic imaging and emergency room wait times which enhances patient comfort and reduces health care costs. This app was developed to make the rules more accessible. This study aims to evaluate whether the usability of the app is related to the modality used and to evaluate whether it has any impact on diagnostic imaging rates.
Screenshots
Verdict
The clearest difference is review sentiment: The Ottawa Rules at 100% against iCCS's 25%. The Ottawa Rules also leads on rating (5.0 vs 3.7) and iOS requirement (9.0 vs 16.0). On price, ratings volume, update cadence and ads 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.
The Ottawa Rules holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews point the same way: 25% of iCCS's written reviews are positive against 100% of The Ottawa Rules's.
iCCS ships an update every 4 months, The Ottawa Rules every 2 months. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.
| Parameter | iCCS | The Ottawa Rules |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 25.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 3 — better | 2 |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 155 MB |
| Age rating | 17+ | 12+ |
| Developer | Canadian Cardiovascular Society | Ottawa Hospital Research Institute |
Customer experience
iCCS
The Ottawa Rules
In-app purchases
iCCS
No in-app purchases
The Ottawa Rules
No in-app purchases
