Comparison

D vs KneeDaily

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

Head to head
About

D

This platform revolutionizes AI-assisted surgery and remote diagnosis. It enhances surgical skills through demonstration and collaboration, ensuring precision with AI assistance and quality control. Access secure cloud storage for medical data anytime, anywhere.

Highlights
  • AI-assisted surgery
  • Remote diagnosis
  • Surgical demonstration
  • Real-time collaboration
  • Cloud storage
  • AI-powered quality control
  • Surgical summaries
Features
Read full description

D-VISUAL: The Premier Platform Revolutionizing AI-Assisted Surgery and Remote Diagnosis. Enhance surgical skills and outcomes through surgical demonstration and collaboration. Ensure surgical precision and quality control efficiency with AI assistance and AI-powered quality inspection. Access medical data anytime, anywhere with secure cloud storage. Join us and experience the forefront of intelligent medical services! Surgical Collaboration: Join with a single click. Support simultaneous invitations to multiple experts for real-time surgical guidance. Features drawing tools, two-way voice communication, and seamless switching between multiple surgical signals. Stable and smooth screen, easy collaboration. Surgical Demonstration: One-click broadcast with compatible hardware, customizable for public or internal use. Invite commentary experts anytime for real-time online explanations. Enable audience comments and questions, with real-time visibility of surgical drawings and annotations. Support mixing up to 5 video streams with flexible layout switching. Accommodate millions of viewers online simultaneously. Cloud Storage & Playback: Massive cloud storage with robust account and security systems, ensuring high data privacy and security. View surgical videos anytime on the cloud, share with a single click, and cancel anytime easily for worry-free operation. My Operating Room: Get a clear overview of your operating room status with real-time monitoring and instant access to surgical collaboration. Guide challenging cases, mentor novice doctors, and maintain real-time control over surgical quality. Surgical Summary: Powered by a large neural network model, generate surgical summaries with one click for easy viewing and export, boosting efficiency. AI-Assisted Quality Control: Automatically segment surgical videos, annotate key operations, abnormalities, and exceptions. Enhance quality control efficiency and minimize wasted time.

About

KneeDaily

Features
Read full description

KneeDaily brings knee and sports medicine literature, evidence books and your own reading files together. It covers the ACL, meniscus, cartilage, patellofemoral joint and knee arthroscopy. Literature and search • Browse recently collected studies and editorial articles • Search PubMed by keyword, PMID or DOI, with date and article-type filters • Read original English titles and abstracts, with links to sources • Switch between English and Simplified Chinese • Access available member columns with a free account Books and reading • Read published chapters of the ACL Evidence Book and Treatment of Meniscal Injuries • Keep official books separate from your imported documents • Import PDF, reflowable DRM-free EPUB and TXT files • Use contents, search, bookmarks and saved reading positions • Adjust text size, line spacing, page color and reading mode • Read imported files offline and download available official book content Notes and your library • Add highlights, excerpts and private reading notes • Search and export notes, annotated PDFs and bookshelf backups • Back up and restore books and notes manually • Organize article favorites, read-later items, important items and tags • Use Home Screen widgets • Delete your account from within the app Choose a light, warm-paper or dark theme independently of the system appearance. On a new installation, the app follows your preferred language; you can change it in Me → Appearance & Language. Official books are updated chapter by chapter. English and Chinese collections may differ, and chapters in preparation are not yet readable. Member columns and editorial articles are currently available in Simplified Chinese. Imported files and private reader notes stay on your device and do not automatically sync through your KneeDaily account. Signed-in article-library favorites and reading state do sync with your account. Fixed-layout and DRM-protected EPUBs and password-protected PDFs are not supported. Import only files you own or have permission to use. KneeDaily does not distribute copyrighted full-text PDFs. KneeDaily is for academic study and reference. Check the original studies when assessing the evidence. It does not provide diagnosis, prescriptions, patient-specific recommendations, clinical decision support, patient monitoring or emergency services, and does not constitute medical advice.

Screenshots

D4 screens
KneeDaily1 screens

Verdict

The call

The clearest difference is update cadence: KneeDaily at every 10 days against D's every 2 months. D's advantage is iOS requirement (15.6 vs 17.0). 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

D ships an update every 2 months, KneeDaily every 10 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 7 level
D versus KneeDaily: the parameters behind the verdict, then further details
ParameterDKneeDaily
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 2 monthsEvery 10 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better17.0
Further details — not scored
Size78 MB23 MB
Age rating17+17+
DeveloperD-visual Medical Technology Co., Ltd泳涛 茅

In-app purchases

None

D

No in-app purchases

None

KneeDaily

No in-app purchases

Questions

Is D free?
D is free to download, with no in-app purchases.
Is KneeDaily free?
KneeDaily is free to download, with no in-app purchases.
Do D or KneeDaily have ads?
Neither D nor KneeDaily shows ads.
Which is updated more often, D or KneeDaily?
D ships an update every 2 months, and KneeDaily every 10 days. Most recently, D was updated on November 4, 2026 and KneeDaily on October 31, 2026.

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