# CTC vs Petal for Physicians

The clearest difference is price: Petal for Physicians at Free against CTC's $3.99. Petal for Physicians also leads on in-app purchases (none vs 1) and iOS requirement (12.0 vs 17.6). CTC's advantage is review sentiment (56% vs 33%). On update cadence, ads and device support there is nothing between them.

Petal for Physicians is free to download; CTC costs $3.99 up front. CTC sells 1 one-off in-app purchase. Petal for Physicians asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 13, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | CTC | Petal for Physicians |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | — | **[1.0 (4 ratings)](https://appshunter.io/ios/app/petal-for-physicians/id867152978/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | **55.6% of reviews** | 32.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Paid | **Freemium** |
| Size | 2 MB | 57 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Arpacore B.V.](https://appshunter.io/developer/1441928570) | [Petal Solutions Inc.](https://appshunter.io/developer/867152981) |

## What reviewers say

### CTC

[App page](https://appshunter.io/ios/app/ctc-ae-plus/id349258523)

This medical reference app provides quick access to standardized adverse event criteria and grading scales for oncology research. It allows for efficient logging, tracking, and reporting of patient events, including performance scores and custom entries. Data is kept strictly on-device for privacy and compliance.

**Highlights:** CTCAE v4 and v5 reference, Performance score integration (Karnofsky, ECOG, Lansky), Advanced adverse event logger, Custom event creation, CSV data import/export, On-device data storage

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Adverse Event Logger | $3.99 | one-time |


### Petal for Physicians

[App page](https://appshunter.io/ios/app/petal-for-physicians/id867152978)

This app provides a secure cloud platform for healthcare organizations to manage patient care delivery workflows. It enables real-time orchestration of all aspects of patient care, enhancing efficiency and coordination.

**Highlights:** Data-driven secured cloud platform, Real-time workflow orchestration, Patient care delivery management, Healthcare organization empowerment

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CTC free?

CTC costs $3.99, and also offers in-app purchases.

### Is Petal for Physicians free?

Petal for Physicians is free to download, with no in-app purchases.

### Do CTC or Petal for Physicians have ads?

Neither CTC nor Petal for Physicians shows ads.

### Which is updated more often, CTC or Petal for Physicians?

CTC ships an update every 2 months, and Petal for Physicians every 2 months. Most recently, CTC was updated on September 13, 2026 and Petal for Physicians on September 19, 2026.

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