Comparison

Blue Ledger vs OpData

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

Head to head
About

Blue Ledger

This app helps physicians and trainees document, organize, and learn from their surgical cases. It allows for detailed logging of procedures, tracking progress over time, and managing private media securely. The tool supports professional growth and reflection on clinical experiences.

Highlights
  • Log and organize surgical cases
  • Track procedures and case data
  • Analyze clinical experience trends
  • Manage private case media securely
  • Share cases to professional portfolio
  • Connect with colleagues
  • Receive activity notifications
Features
Read full description

Blue Ledger: Surgical Case Log Blue Ledger is a modern surgical case ledger for physicians and trainees who want a better way to document, organize, and learn from their clinical experiences. Log cases with structured detail, track procedures over time, organize supporting media, and review your progress in one place. Blue Ledger helps you build a clear, longitudinal record of your operative experience while staying focused on growth, reflection, and performance. With Blue Ledger, you can: - Log and organize surgical cases with structured, consistent detail - Track procedures, roles, and case data over time - Review trends and analyze your clinical experience - Manage private case media stored securely on your device - Share selected cases to your professional portfolio - Connect with colleagues and grow your network - Receive reminders and activity notifications Blue Ledger supports how physicians actually learn through repetition, reflection, and continuous improvement. Whether you are a student, resident, or practicing physician, it helps you take ownership of your experience and turn it into insight Important Information: Blue Ledger is designed for professional, educational, and organizational use only. It does not provide medical advice, diagnosis, or treatment recommendations and does not replace clinical judgment. Users are responsible for ensuring that all case data and media are appropriately de-identified and compliant with applicable privacy standards.

About

OpData

Features
Read full description

OpData-Drive is a personal procedure logbook for doctors, residents and specialists. Log every operation and procedure you take part in, and see your training and career numbers at a glance. SPECIALTY-SPECIFIC FORMS Dedicated logbook forms for 19 specialties: Neurosurgery, General Surgery, Orthopedics and Traumatology, Cardiovascular Surgery, Thoracic Surgery, Pediatric Surgery, Plastic Surgery, Urology, Ophthalmology, Obstetrics and Gynecology, Oral and Maxillofacial Surgery, Otorhinolaryngology, Emergency Medicine, Interventional Radiology, Anesthesiology, Internal Medicine, Cardiology, Dentistry and Pediatrics. Each specialty uses its own terminology: target structure, classification, procedure type, implant and graft options change with your specialty. Customize the form to show the fields you use. WORKS OFFLINE Add entries without an internet connection. Your logbook syncs in the background when connectivity returns. No hunting for signal in the operating room. STATISTICS See how many procedures you logged today, this week, this month and this year, with a calendar of every entry. Procedure breakdowns show what you do most often by year, month and week. Ask the ODD Statistics Assistant questions about your own numbers. GOOGLE SHEETS SYNC When you link your Google account, your logbook is written to a spreadsheet created in your own Google Drive. The sheet is yours: download, share, or analyze it any time. TEAM Add the OpData users you worked with as team members, and the entry also appears in your colleague's logbook. PRIVACY AND SECURITY No names are collected: only initials can be entered, and the input field technically enforces this. The on-device database is encrypted with SQLCipher, and all communication with the server is protected with TLS. FREE AND PREMIUM Logging procedures is free, and the free logbook shows your last 7 days. Premium adds statistics, the assistant, your Google Sheet, team sharing and your full history. Monthly and annual subscriptions are available. A 7-day free trial starts when you link your Google account. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the period; manage or cancel them in your App Store account settings. IMPORTANT OpData-Drive is a personal training and career logbook for doctors. It is not used by patients, it is not a medical device or a clinical decision support system, and it does not diagnose, recommend treatment, book appointments or provide any healthcare service. Complying with your institution's rules and applicable privacy regulations for what you enter is your responsibility. SUBSCRIPTION TERMS Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.opdatadrive.com/en/privacy

Screenshots

Blue Ledger4 screens
OpData4 screens

Verdict

The call

The clearest difference is in-app purchases: Blue Ledger at none against OpData's 2. OpData's advantage is update cadence (every 2 days vs every 3 weeks) and device support (3 vs 1). On price and ads 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. OpData sells 2 in-app purchases, starting at $4.99 per month. Blue Ledger asks for nothing beyond the download.

UpkeepUpdate frequency

Blue Ledger ships an update every 3 weeks, OpData every 2 days. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

Scorecard4 real differences · 6 level
Blue Ledger versus OpData: the parameters behind the verdict, then further details
ParameterBlue LedgerOpData
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 3 weeksEvery 2 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size26 MB64 MB
Age rating4+12+
DeveloperPocket Retina, LLCZEYNEP DAG

In-app purchases

None

Blue Ledger

No in-app purchases

2 purchases

OpData

Subscriptions2
  • OpData Premium Monthly$4.991 Month
  • OpData Premium Annual$29.991 Year

Questions

Is Blue Ledger free?
Blue Ledger is free to download, with no in-app purchases.
Is OpData free?
OpData is free to download, with in-app purchases available.
Do Blue Ledger or OpData have ads?
Neither Blue Ledger nor OpData shows ads.
Which is updated more often, Blue Ledger or OpData?
Blue Ledger ships an update every 3 weeks, and OpData every 2 days. Most recently, Blue Ledger was updated on October 24, 2026 and OpData on October 29, 2026.

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