DoctLink vs PocketRT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DoctLink
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「DoctLink」は医師限定のネットワーキングサービスになります。 医師の皆さんに安心して活用いただくために医師資格確認が重要となります。 利用開始時に医籍登録番号等をご提出いただきますことご了承ください。 「DoctLink」が提供する主な機能は下記の通りです。 ・医師特化プロフィール登録機能 ・コミュニティ機能(プライベート・公開) ・フォロー機能 ・チャット機能(個別・グループ) ・投稿機能 ・通知機能
PocketRT
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PocketRT is a calculator for the physicians, medical physicists and radiation therapists who work in radiation oncology. It brings the calculations you repeat every day in treatment planning into one app, in a form where you can check the source of every number. ■ Biologically effective dose Computes BED and EQD2 from the dose and the number of fractions. The α/β ratio can be changed per tissue. ■ Fractionation conversion Specify either the number of fractions or the dose per fraction, and the app derives the dose for the alternative schedule. ■ Multi-course summation Sums BED and EQD2 across several courses. You choose one α/β for the tissue being evaluated, and every course is evaluated with it. This is a simple sum with no recovery factor, so it must not be used for re-irradiation planning. ■ Treatment schedule Derives the expected end date from the start date and the number of fractions, and shows a calendar that accounts for Japanese public holidays, weekends and individual break days. ■ Plan-quality deviation assessment For lung SBRT, assesses R100%, R50% and D2cm against PTV volume. For intracranial stereotactic irradiation (SRS/SRT), assesses the homogeneity index and the conformity index. You can also register and use your own institutional criteria. ■ Fractionation presets Includes the fractionation schedules stated in the JASTRO Radiotherapy Planning Guidelines 2024. Your own institutional protocols can be registered and recalled from the calculation, schedule and summation screens. ■ Sources are stated Every number the app uses can be traced from a single list, with each entry marked as either a primary publication or a guideline. When the basis of an assessment is not in a published protocol, the assessment screen says so at all times. ■ No network access Neither what you enter nor what the app computes ever leaves the device. No account is required, and no information identifying the user is collected. ――――――――――――――――――― [Before you use this app] This app is a calculation aid for healthcare professionals with specialist knowledge of radiation oncology. It is not a medical device, and it does not make diagnoses or determine treatment. Every result and every assessment must be verified by your own professional judgment. The output of this app is not intended to serve, on its own, as the basis of a clinical decision. The linear-quadratic model has a range of validity, and it is known to diverge from the observed biological effect particularly at large doses per fraction. Please use the app with its assumptions in mind.
Screenshots
Verdict
The clearest difference is update cadence: PocketRT at every 9 days against DoctLink's every 3 weeks. DoctLink's advantage is iOS requirement (14.0.0 vs 18.0). On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
DoctLink ships an update every 3 weeks, PocketRT every 9 days. The most recent releases landed on October 21, 2026 and October 29, 2026 respectively.
| Parameter | DoctLink | PocketRT |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 14.0.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 65 MB | 1 MB |
| Age rating | 17+ | 17+ |
| Developer | DoctLink株式会社 | Yoshiki Hiraki |
In-app purchases
DoctLink
No in-app purchases
PocketRT
No in-app purchases





