Comparison

Coltrain vs BlkBag Rounds

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

Head to head
About

Coltrain

A secure, cloud-based messaging platform for healthcare professionals to enhance patient care and collaboration. It allows for case-based discussions and the secure sharing of photos, videos, and documents.

Highlights
  • HIPAA-compliant messaging
  • Secure cloud-based platform
  • Case-based discussions
  • Photo and document sharing
  • Peer-to-peer communication
  • Mobile device compatibility
Features
Read full description

Coltrain is a HIPAA-compliant, cloud-based, mobile messaging platform designed for healthcare professionals (HCPs). It incorporates secure chat and case-based discussion to enhance patient care and HCP collaboration. Securely load photos, videos, and other documents to allow seamless teamwork. Coltrain is peer-to-peer and can be used by anyone with a mobile device, regardless of location or healthcare system.

About

BlkBag Rounds

Streamline medical billing by capturing patient charges and work in real-time. This cloud-based tool allows healthcare professionals and their staff to record encounters instantly, ensuring secure and efficient data synchronization for faster reimbursement.

Highlights
  • Cloud Sync for HIPAA compliant data
  • Nephrology Module for dialysis encounters
  • CPT® and ICD-10 integration
  • Free billing and staff accounts
  • Collaboration for healthcare groups
  • Media and Facesheet capture
  • Schedule follow-ups
Read full description

BlkBag Rounds is a sleek, easy to use, cloud-based Charge Capture product using The BlkBag Healthcare Suite. It is intended for physicians, Allied-Health practitioners, and support staff like your biller, manager, secretary or team. This app communicates with your BlkBag Rounds account and streamlines the billing process by capturing all your work as you see your patients throughout the day. With a few quick taps, you can record all of your charges and your billing staff can get that information instantly—and securely. The BlkBag Rounds app connects to the BlkBag Healthcare Suite, which enables synchronization among your entire group and billing staff. Once the other members of your group begin using BlkBag Rounds, they will instantly get your updates, charges, additions, notes, pictures, and face sheets. There's no extra work for you to do; the app keeps your information synced to the cloud with automatic updates! Even if you aren't a user of the BlkBag Healthcare Suite, you can use the app entirely for free in sync disabled mode! Features include: * Cloud Sync: Synchronization of app data with our HIPAA compliant cloud web app, all accomplished in the background. (No pop-ups will interrupt your work while syncing.) You must have a valid BlkBag Account to use this App. * Census Lists of Any Size: The app is designed to handle large census lists without prolonged load times. * Nephrology Support: Industry-first Nephrology Module for capturing dialysis encounters! * CPT® and ICD-10 Integration: Fully licensed from the AMA, the full CPT® database, along with the ICD-10-CM database allow you to capture all of your work. Ability to reorder CPT® codes and attach modifiers to ensure proper reimbursement. * Free Billing and Staff Accounts: All your support staff can utilize the web app to populate your data. Your billers have free access to the web app portal to process your claims for reimbursement. Enhanced integration capabilities can bridge into your Practice Management System. * Collaboration between Physicians and Allied-Health Practitioners: With our new background Cloud Sync, all data is available to all members of your group automatically. All patients, hospitalizations, face sheets, notes - everyone. * Sign Off Feature for Physician Assistants and Nurse Practitioners: Allow requests from Allied-Health staff to easily sign off on their encounters. * Easily Schedule Follow-ups: Schedule follow-ups for your patients from your phone. * Full Visit/Procedure History: View all encounters for a patient’s hospitalization. * Enhanced Search Feature: Recall patients seen in the past from your database. * Media and Facesheet capture: Instantly capture and upload your face sheets and pictures for patients. Face sheets are downloadable by billers in PDF format, for ease of printing. * No Backup Worries: Acquire a new phone? Download the BlkBag Rounds App, and log in. All your information is there! Your patients, your encounters, your settings... everything is preserved. * HIPAA/HITECH Compliant - All data is transported over secure TLS connections. The app leverages on device encryption. All database data is stored using encryption, along with encrypted backups. All media and face sheets are stored using AES-256 encryption. * FaceID Support: This app supports all devices that use FaceID

Screenshots

Coltrain4 screens
BlkBag Rounds4 screens

Verdict

The call

The clearest difference is rating: Coltrain at 5.0 against BlkBag Rounds's 2.1. Coltrain also leads on iOS requirement (15.6 vs 18.0). BlkBag Rounds's advantage is update cadence (fortnightly vs monthly). On price, ratings volume, ads and in-app purchases 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.

ReceptionRating · Positive reviews · Number of ratings

Coltrain holds the better App Store score, 5.0 against 2.1. Both are backed by a comparable volume of ratings — 17 and 7 respectively.

UpkeepUpdate frequency

Coltrain ships an update monthly, BlkBag Rounds fortnightly. The most recent releases landed on August 16, 2026 and June 1, 2026 respectively.

Scorecard3 real differences · 7 level
Coltrain versus BlkBag Rounds: the parameters behind the verdict, then further details
ParameterColtrainBlkBag Rounds
PriceFreeFree
Rating5.0 (17 ratings) — better2.1 (7 ratings)
Positive reviews—0.0% of reviews
Number of ratings17 — better7
Update frequencyMonthlyFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better18.0
Further details — not scored
Size302 MB14 MB
Age rating17+17+
DeveloperCognition Med, LLCBlkBag Inc.

Customer experience

Coltrain

All ratings17 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

BlkBag Rounds

All ratings4 ratings
Positive25.0%
Neutral0.0%
Negative75.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Coltrain

No in-app purchases

None

BlkBag Rounds

No in-app purchases

Questions

Is Coltrain free?
Coltrain is free to download, with no in-app purchases.
Is BlkBag Rounds free?
BlkBag Rounds is free to download, with no in-app purchases.
Which has better reviews, Coltrain or BlkBag Rounds?
Coltrain is rated higher. Coltrain averages 5.0 out of 5 from 17 ratings, while BlkBag Rounds averages 2.1 from 7 ratings.
Do Coltrain or BlkBag Rounds have ads?
Neither Coltrain nor BlkBag Rounds shows ads.
Which is updated more often, Coltrain or BlkBag Rounds?
Coltrain ships an update monthly, and BlkBag Rounds fortnightly. Most recently, Coltrain was updated on August 16, 2026 and BlkBag Rounds on June 1, 2026.

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