# Procedure Log vs Coltrain

The clearest difference is price: Coltrain at Free against Procedure Log's $2.99. Coltrain also leads on rating (5.0 vs 4.8). Procedure Log's advantage is ratings volume (354 vs 17). On update cadence, ads, in-app purchases and device support there is nothing between them.

Coltrain is free to download; Procedure Log costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Coltrain holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Procedure Log has 354 ratings behind it against 17, so its average is the more settled of the two.

Procedure Log ships an update every 6 weeks, Coltrain monthly. The most recent releases landed on September 25, 2026 and August 16, 2026 respectively.

## The numbers

| Metric | Procedure Log | Coltrain |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [4.8 (354 ratings)](https://appshunter.io/ios/app/procedure-log/id888851773/reviews) | **[5.0 (17 ratings)](https://appshunter.io/ios/app/coltrain/id1491315335/reviews)** |
| Number of ratings | **354** | 17 |
| Positive reviews | 61.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Paid | **Free** |
| Size | 16 MB | 302 MB |
| Requires iOS | **15.5** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Robert Kuhnhenn](https://appshunter.io/developer/888851784) | [Cognition Med, LLC](https://appshunter.io/developer/1491315334) |

## What reviewers say

### Procedure Log

[App page](https://appshunter.io/ios/app/procedure-log/id888851773)

This app allows healthcare professionals to log and document procedures performed. It offers extensive customization for procedures, diagnoses, and custom fields, with secure local data storage and encrypted PDF/CSV report generation.

**Highlights:** Log procedures performed, assisted, observed, and supervised, Document patient details, diagnosis, complications, and notes, Attach photos to procedure records, Select diagnoses from custom or ICD-10 lists, Capture supervisor signatures for attestation, Generate password-protected PDF and ZIP CSV reports, Customizable lists for procedures, diagnoses, and complications

**In-app purchases:** none


### Coltrain

[App page](https://appshunter.io/ios/app/coltrain/id1491315335)

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:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Procedure Log free?

Procedure Log costs $2.99, with no in-app purchases.

### Is Coltrain free?

Coltrain is free to download, with no in-app purchases.

### Which has better reviews, Procedure Log or Coltrain?

Coltrain is rated higher. Procedure Log averages 4.8 out of 5 from 354 ratings, while Coltrain averages 5.0 from 17 ratings.

### Do Procedure Log or Coltrain have ads?

Neither Procedure Log nor Coltrain shows ads.

### Which is updated more often, Procedure Log or Coltrain?

Procedure Log ships an update every 6 weeks, and Coltrain monthly. Most recently, Procedure Log was updated on September 25, 2026 and Coltrain on August 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*