Comparison

LQCalc vs CTCAE 5 Pro

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

Head to head
About

LQCalc

Features
Read full description

LQ model (LinearQuadraticModel)に基づき、放射線治療線量の換算計算を行います。HyperFractionation、再照射線量にも対応しています。 1回線量(Gy)、分割回数(Fr)、α/β値から BED(Biological Effective Dose; 生物学的等価線量) = nd(1 + d/[α/β]) EqD2(Gy等価線量換算値) = 1 回線量 2 Gy換算のnormalized total dose を計算します。 2種類のα/β値で同時計算が可能です。 本アプリの計算結果は、治療の妥当性や正確性等について保証するものではなく、 一切の責任を負い兼ねます。その結果から生じるいかなる損害についても責任を負いません。あらかじめご了承をお願いいたします。 参考文献: Fowler J. Int J Radiat Oncol Biol Phys 72 (5); 1532-1537, 2009

About

CTCAE 5 Pro

This app provides easy access to CTCAE documentation and supports local data storage for enhanced privacy. Premium features include version comparison, advanced note-taking, custom app creation from spreadsheets, and flexible data backup options.

Highlights
  • Streamlined CTCAE Document Access
  • Local Data Storage
  • Version Comparison Tool
  • Advanced Notes Feature
  • Custom App Creation
  • Flexible Backup and Archiving
Features
Read full description

CTCAE 5 Pro is designed to assist in the documentation, review, and reference of CTCAE-related information. This app is intended for informational support and is not designed for medical purposes such as diagnosis, clinical decision-making, or treatment recommendations. Users are responsible for verifying all information and making clinical decisions. ::::::::: Standard features (available to all users) :::::: - Streamlined CTCAE Document Access - Easily navigate CTCAE 5.0 documents using an intuitive interface. - Enhanced privacy with local data storage - protect your data by storing it locally instead of relying on cloud services, ensuring privacy and control. ::::::::: Premium Features (available with subscription) ::::::: - Version Comparison Tool - Easily compare different versions of CTCAE 5.0 and 4.03. - Advanced Notes feature - allows you to record CTCAEs in chronological order. You can also use hashtags and other features to efficiently organize and track notes for important information. - Custom App Creation Feature - Simply import a spreadsheet and convert it into a list app. No programming knowledge is required. - Flexible backup and archiving solution - easily back up and archive data in formats such as XLSX and CSV for versatility and accessibility. - More features are available in the Premium version. Note: With the Premium feature, a minimal number of files are automatically stored in a secure iCloud Drive to resume link information between files. This can be turned off based on user preference.

Screenshots

LQCalc1 screens
CTCAE 5 Pro4 screens

Verdict

The call

The clearest difference is price: CTCAE 5 Pro at Free against LQCalc's $0.99. CTCAE 5 Pro also leads on update cadence (every 5 weeks vs every 10 months). LQCalc's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement 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

CTCAE 5 Pro is free to download; LQCalc costs $0.99 up front. CTCAE 5 Pro sells 2 in-app purchases, starting at $1.99 per month. LQCalc asks for nothing beyond the download.

UpkeepUpdate frequency

LQCalc ships an update every 10 months, CTCAE 5 Pro every 5 weeks. Both last shipped on November 7, 2026.

Scorecard3 real differences · 7 level
LQCalc versus CTCAE 5 Pro: the parameters behind the verdict, then further details
ParameterLQCalcCTCAE 5 Pro
Price$0.99Free — better
Rating—4.9 (43 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—43 — better
Update frequencyEvery 10 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.5
Further details — not scored
Size0 MB60 MB
Age rating17+17+
DeveloperRADLab, K.K.Koichiro Watanabe

In-app purchases

None

LQCalc

No in-app purchases

2 purchases

CTCAE 5 Pro

Subscriptions2
  • Monthly subscription7 Days trial$1.991 Month
  • Annual subscription7 Days trial$9.991 Year

Questions

Is LQCalc free?
LQCalc costs $0.99, with no in-app purchases.
Is CTCAE 5 Pro free?
CTCAE 5 Pro is free to download, with in-app purchases available.
Do LQCalc or CTCAE 5 Pro have ads?
Neither LQCalc nor CTCAE 5 Pro shows ads.
Which is updated more often, LQCalc or CTCAE 5 Pro?
LQCalc ships an update every 10 months, and CTCAE 5 Pro every 5 weeks. Most recently, LQCalc was updated on November 7, 2026 and CTCAE 5 Pro on November 7, 2026.

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