Comparison

CTC vs ASCO Guidelines

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

Head to head
About

CTC

This medical reference app provides quick access to standardized adverse event criteria and grading scales for oncology research. It allows for efficient logging, tracking, and reporting of patient events, including performance scores and custom entries. Data is kept strictly on-device for privacy and compliance.

Highlights
  • CTCAE v4 and v5 reference
  • Performance score integration (Karnofsky, ECOG, Lansky)
  • Advanced adverse event logger
  • Custom event creation
  • CSV data import/export
  • On-device data storage
Read full description

CTC-AE is a reference and educational tool for clinical researchers, oncologists, and healthcare professionals working with adverse event terminology and oncology performance status scales. The app provides fast, offline access to publicly available standards: • NCI Common Terminology Criteria for Adverse Events (CTC-AE v4.03 and v5.0) • ECOG Performance Status • Karnofsky Performance Status • Lansky Performance Status (pediatric) You can also keep personal reference notes about trials and patients, stored privately in your own iCloud account and synced across your Apple devices. Export your data as CSV at any time. KEY FEATURES • Complete CTC-AE v4.03 and v5.0 terminology with grades and definitions • Color-coded severity grades for quick visual reference • Multi-column layout optimized for iPad • Performance status scales (ECOG, Karnofsky, Lansky) • Personal trial and patient reference notes, stored privately in your own iCloud account and synced across iPhone, iPad, and Mac • CSV export • Optional Face ID / Touch ID protection • Optional name scrambling for on-screen privacy PRIVACY Your reference notes live in your private iCloud container. Arpacore B.V. has no access to this data, and no information is shared with any third party. INTENDED USE CTC-AE is intended for educational and reference purposes only. It is not a medical device. It is not intended to diagnose, prevent, monitor, predict, prognose, or treat any disease, injury, or disability, and does not provide medical advice. All clinical decisions remain the sole responsibility of qualified healthcare professionals. The CTC-AE terminology is published by the U.S. National Cancer Institute and is reproduced here for reference. This app is not affiliated with, endorsed by, or sponsored by the NCI or NIH. CTC-AE is also available natively on Mac, with full sync between your devices.

About

ASCO Guidelines

Access comprehensive cancer care guidelines and interactive tools to inform treatment decisions. This app supports healthcare providers, patients, and caregivers in implementing recommended cancer care options for various cancer types, aiming to improve the quality of care.

Highlights
  • Guideline recommendations for cancer care
  • Interactive treatment decision tools
  • Supports healthcare providers
  • Informs patients and caregivers
  • Covers various cancer types
  • Regularly updated content
Features
Read full description

The ASCO Guidelines app is your go-to tool for implementing guideline recommendations into practice. This user-friendly app provides health care providers, patients, and caregivers with the recommended cancer care options for a variety of cancer types. It also includes interactive tools to inform treatment decisions at the point of care, thus increasing the quality of care provided to patients. The ASCO app is free to members and nonmembers, kept up to date, and will continue to grow as more guidelines and tools are added.

Screenshots

CTC4 screens
ASCO Guidelines4 screens

Verdict

The call

The clearest difference is price: ASCO Guidelines at Free against CTC's $3.99. ASCO Guidelines also leads on in-app purchases (none vs 1) and iOS requirement (10.0 vs 17.6). On review sentiment, update cadence, ads and device support 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

ASCO Guidelines is free to download; CTC costs $3.99 up front. CTC sells 1 one-off in-app purchase. ASCO Guidelines asks for nothing beyond the download.

UpkeepUpdate frequency

CTC ships an update every 2 months, ASCO Guidelines every 5 months. The most recent releases landed on October 1, 2026 and October 14, 2026 respectively.

Scorecard4 real differences · 6 level
CTC versus ASCO Guidelines: the parameters behind the verdict, then further details
ParameterCTCASCO Guidelines
Price$3.99Free — better
Rating—4.8 (257 ratings) — better
Positive reviews55.6% of reviews57.1% of reviews — better
Number of ratings—257 — better
Update frequencyEvery 2 months — betterEvery 5 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationPaidFree — better
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS17.610.0 — better
Further details — not scored
Size2 MB411 MB
Age rating17+12+
DeveloperArpacore B.V.American Society of Clinical Oncology

Customer experience

CTC

Written reviews9 reviews
Positive55.6%
Neutral33.3%
Negative11.1%

ASCO Guidelines

All ratings257 ratings
Positive95.3%
Neutral1.6%
Negative3.1%
Written reviews7 reviews
Positive57.1%
Neutral0.0%
Negative42.9%

In-app purchases

1 purchases

CTC

One-time1
  • Adverse Event Logger$3.99
None

ASCO Guidelines

No in-app purchases

Questions

Is CTC free?
CTC costs $3.99, and also offers in-app purchases.
Is ASCO Guidelines free?
ASCO Guidelines is free to download, with no in-app purchases.
Do CTC or ASCO Guidelines have ads?
Neither CTC nor ASCO Guidelines shows ads.
Which is updated more often, CTC or ASCO Guidelines?
CTC ships an update every 2 months, and ASCO Guidelines every 5 months. Most recently, CTC was updated on October 1, 2026 and ASCO Guidelines on October 14, 2026.

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