# Teckro vs CTCAE 6 Pro

The clearest difference is in-app purchases: Teckro at none against CTCAE 6 Pro's 2. Teckro also leads on update cadence (fortnightly vs monthly). CTCAE 6 Pro's advantage is iOS requirement (15.6 vs 17.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. CTCAE 6 Pro sells 2 in-app purchases, starting at $1.99 per month. Teckro asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Teckro against 5.0 for CTCAE 6 Pro. Both are backed by a comparable volume of ratings — 8 and 8 respectively.

Teckro ships an update fortnightly, CTCAE 6 Pro monthly. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Teckro | CTCAE 6 Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (8 ratings)](https://appshunter.io/ios/app/teckro/id1074251108/reviews) | [5.0 (8 ratings)](https://appshunter.io/ios/app/ctcae-6-pro/id1625560237/reviews) |
| Number of ratings | 8 | 8 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | **Free** | Freemium |
| Size | 68 MB | 87 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Teckro](https://appshunter.io/developer/1074251107) | [Koichiro Watanabe](https://appshunter.io/developer/1077985400) |

## What reviewers say

### Teckro

[App page](https://appshunter.io/ios/app/teckro/id1074251108)

This app streamlines clinical trial protocols into a central communication and collaboration hub. It connects all study participants with essential knowledge, supporting diverse trial models and therapeutic areas globally. It is used by thousands of investigators and major pharmaceutical companies.

**Highlights:** Protocol communication hub, Stakeholder connectivity, Knowledge access, Supports all trial models, Global site access, Therapeutic area support

**In-app purchases:** none


### CTCAE 6 Pro

[App page](https://appshunter.io/ios/app/ctcae-6-pro/id1625560237)

Easily review and annotate medical toxicity criteria. Bookmark adverse events, search keywords, and organize entries chronologically. Offers local data storage and optional premium features for advanced note-taking and data export.

**Highlights:** Quick CTCAE 6.0 content access, Unlimited adverse event bookmarking, Keyword search with highlighting, Local data storage, Version comparison (5.0 ⇄ 6.0), Smart notes and timeline management, Spreadsheet to custom list app conversion

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan – Monthly | $1.99 | per month |
| Premium Plan – Annual | $9.99 | per year |


## Frequently asked questions

### Is Teckro free?

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

### Is CTCAE 6 Pro free?

CTCAE 6 Pro is free to download, with in-app purchases available.

### Which has better reviews, Teckro or CTCAE 6 Pro?

Teckro and CTCAE 6 Pro are both rated 5.0 out of 5 on the App Store, from 8 and 8 ratings respectively.

### Do Teckro or CTCAE 6 Pro have ads?

Neither Teckro nor CTCAE 6 Pro shows ads.

### Which is updated more often, Teckro or CTCAE 6 Pro?

Teckro ships an update fortnightly, and CTCAE 6 Pro monthly. Most recently, Teckro was updated on October 8, 2026 and CTCAE 6 Pro on October 11, 2026.

---

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