# CTC vs Sunshine Oncology Planner

The clearest difference is price: Sunshine Oncology Planner at Free against CTC's $3.99. Sunshine Oncology Planner also leads on update cadence (every 8 days vs every 2 months) and iOS requirement (15.1 vs 17.6). On ads, in-app purchases and device support there is nothing between them.

Sunshine Oncology Planner is free to download; CTC costs $3.99 up front. CTC sells 1 one-off in-app purchase and Sunshine Oncology Planner sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

CTC ships an update every 2 months, Sunshine Oncology Planner every 8 days. The most recent releases landed on October 29, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | CTC | Sunshine Oncology Planner |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Positive reviews | 55.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | Paid | — |
| Size | 2 MB | 46 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Arpacore B.V.](https://appshunter.io/developer/1441928570) | [Women's Oncology Consultants, LLC](https://appshunter.io/developer/1886766361) |

## 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 |


### Sunshine Oncology Planner

[App page](https://appshunter.io/ios/app/sunshine-oncology-planner/id6760911749)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $9.99 | per month |
| Annual Subscription | $99.99 | per year |


## Frequently asked questions

### Is CTC free?

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

### Is Sunshine Oncology Planner free?

Sunshine Oncology Planner is free to download, with in-app purchases available.

### Do CTC or Sunshine Oncology Planner have ads?

Neither CTC nor Sunshine Oncology Planner shows ads.

### Which is updated more often, CTC or Sunshine Oncology Planner?

CTC ships an update every 2 months, and Sunshine Oncology Planner every 8 days. Most recently, CTC was updated on October 29, 2026 and Sunshine Oncology Planner on October 6, 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.*