Comparison

Epic Canto vs ONCOassist

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

Head to head
About

Epic Canto

Securely access patient information, schedules, and notes from Epic's Electronic Health Record. Supports dictation and In Basket for authorized clinical users.

Highlights
  • Secure EHR access
  • Clinic schedules
  • Patient lists
  • Health summaries
  • Test results
  • Dictation support
  • In Basket access
Read full description

Canto provides authorized clinical users of Epic’s Electronic Health Record with secure access to clinic schedules, hospital patient lists, health summaries, test results and notes. Canto also supports dictation and In Basket access. Your organization needs to license Canto and will determine the exact feature set and any applicable charges for your use of Canto. If you are unsure whether you can use Canto, please contact your administrative staff.

About

ONCOassist

This app provides oncology professionals with a comprehensive suite of decision-support tools. It offers access to treatment protocols, survival rates, medical calculators, toxicity criteria, staging information, drug details, and news, all designed to aid in patient care and save time.

Highlights
  • NCCN Treatment Protocols
  • Adjuvant Survival Rate Calculators
  • Medical Formula Calculators
  • CTCAE Toxicity Criteria
  • AJCC TNM Staging
  • Prognostic Scores
  • Oncology Drug Information
  • Drug Interaction Checker
Features
Read full description

Please note: This application, as a decision-support aid, is to be used  by a practicing healthcare professional(“HCP”) and does not replace clinical judgement. It is not designed for use by patients and does not replace the advice of a doctor. ONCOassist is a comprehensive suite of decision support tools developed by oncology professionals, for oncology professionals. It includes a range of breakthrough tools designed to manage patient care effectively. Let's take a closer look at some of the features available: • NCCN Treatment Protocols: Developed in collaboration with the NCCN, this tool provides information on regimens taken from the NCCN template database. • Adjuvant Tools: These tools offer 5 and 10-year overall survival rates for patients with and without chemotherapy in an adjuvant setting. Breast cancer, colon cancer, and GIST tools are among the many adjuvant decision support tools available. • Useful formulas: Body Surface Area, Chemotherapy Dose Calculator, QTc, ECOG Performance Score, Khorana Score, MASCC Risk Index, and many more are included. These calculators simplify medical calculations and include frequently needed conversions and dosage calculations. • Common Toxicity Criteria for Adverse Events (CTCAE v4.0 & 5.0): This tool provides a standardized classification of adverse effects of drugs used in cancer therapy. CTCAE versions 5.0 and 4.0 are available in an easy-to-use and interactive format. • AJCC TNM staging: The tool provides criteria for every malignancy and includes the AJCC 7th, 8th, and 9th edition staging criteria. • Prognostic Scores: This tool offers over 17 prognostic scores for a range of specialties. It helps with prognostication, risk stratification, and determining eligibility for specific treatments or clinical trials. • Drug info section: Over 200 oncology drugs are available in an easy-to-use and interactive format. • Drug interaction checker: This tool helps users quickly check for potential drug interactions. • IO toxicity management tool: This tool is designed to manage immune-related adverse events. • ONCOnews: From breaking news to in-depth analysis, ONCOnews brings together all oncology news sources in one place. • ONCOvideos: This offers access to the most recent videos from Oncology Spotlight, which provides insights into the experiences of oncology professionals. Additionally, users can watch OncoAlert and Oncology Brother videos. ONCOassist offers oncology professionals the following benefits: Saves Time Oncology professionals no longer waste time searching through the internet for safe validated information to aid them with their decision making, all of the tools and information they need is available within ONCOassist and is available without the need for internet access. Improves quality of care ONCOassist promotes the use of evidence-based medicine. It is also the only CE approved oncology app on the market. Helps Empower Patients Adjuvant decision support tools contain patient-friendly information to allow for a more collaborative decision-making process. Regularly updating ONCOassist will be updated regularly with new prognostic tools and calculators. We will listen to your feedback and update accordingly. Email us at any time using feedback@oncoassist.com. ONCOassist is regulated by the Irish Health Products Regulatory Authority and is CE marked for conformance as a medical device.

Screenshots

ONCOassist4 screens

Verdict

The call

The clearest difference is review sentiment: ONCOassist at 100% against Epic Canto's 9%. ONCOassist also leads on rating (4.9 vs 1.9) and device support (3 vs 1). Epic Canto's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, ratings volume, update cadence 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

ONCOassist holds the better App Store score, 4.9 against 1.9. Both are backed by a comparable volume of ratings — 124 and 116 respectively. Written reviews point the same way: 9% of Epic Canto's written reviews are positive against 100% of ONCOassist's.

UpkeepUpdate frequency

Epic Canto ships an update every 3 weeks, ONCOassist every 10 days. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

Scorecard6 real differences · 4 level
Epic Canto versus ONCOassist: the parameters behind the verdict, then further details
ParameterEpic CantoONCOassist
PriceFreeFree
Rating1.9 (124 ratings)4.9 (116 ratings) — better
Positive reviews8.9% of reviews100.0% of reviews — better
Number of ratings124 — better116
Update frequencyEvery 3 weeksEvery 10 days — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterFree with in-app purchases
DevicesiPadiPhone, iPad, iPod — better
Requires iOS18.015.6 — better
Further details — not scored
Size559 MB244 MB
Age rating17+17+
DeveloperEpicPortable Medical Technology Ltd

Customer experience

Epic Canto

All ratings124 ratings
Positive12.9%
Neutral11.3%
Negative75.8%
Written reviews79 reviews
Positive8.9%
Neutral16.5%
Negative74.7%

ONCOassist

All ratings116 ratings
Positive98.3%
Neutral0.0%
Negative1.7%
Written reviews113 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Epic Canto

Not enough reviews yet to summarise bugs or requests.

ONCOassist

Requested features

3 requests
  • Radiation oncology topics
  • Option in Spanish
  • Russian language

In-app purchases

None

Epic Canto

No in-app purchases

None

ONCOassist

No in-app purchases

Questions

Is Epic Canto free?
Epic Canto is free to download, with no in-app purchases.
Is ONCOassist free?
ONCOassist is free to download, with no in-app purchases.
Which has better reviews, Epic Canto or ONCOassist?
ONCOassist is rated higher. Epic Canto averages 1.9 out of 5 from 124 ratings, while ONCOassist averages 4.9 from 116 ratings.
Do Epic Canto or ONCOassist have ads?
ONCOassist shows ads; Epic Canto does not.
Which is updated more often, Epic Canto or ONCOassist?
Epic Canto ships an update every 3 weeks, and ONCOassist every 10 days. Most recently, Epic Canto was updated on October 24, 2026 and ONCOassist on October 26, 2026.

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