# Teckro vs CTCAE 5 Pro

The clearest difference is in-app purchases: Teckro at none against CTCAE 5 Pro's 2. Teckro also leads on review sentiment (33% vs 0%) and update cadence (fortnightly vs every 5 weeks). CTCAE 5 Pro's advantage is ratings volume (38 vs 8) and iOS requirement (15.5 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. CTCAE 5 Pro sells 2 in-app purchases, starting at $1.99 per month. Teckro asks for nothing beyond the download.

Teckro holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 8 and 38 respectively. Written reviews point the same way: 33% of Teckro's written reviews are positive against 0% of CTCAE 5 Pro's.

Teckro ships an update fortnightly, CTCAE 5 Pro every 5 weeks. The most recent releases landed on September 21, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Teckro | CTCAE 5 Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/teckro/id1074251108/reviews)** | [4.8 (38 ratings)](https://appshunter.io/ios/app/ctcae-5-pro/id1625569535/reviews) |
| Number of ratings | 8 | **38** |
| Positive reviews | **33.3% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | **Free** | Freemium |
| Size | 68 MB | 60 MB |
| Requires iOS | 17.0 | **15.5** |
| 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 5 Pro

[App page](https://appshunter.io/ios/app/ctcae-5-pro/id1625569535)

This app helps review and take notes on CTCAE documents. It offers local data storage for privacy and premium features like version comparison and advanced note-taking with a subscription.

**Highlights:** Streamlined CTCAE Document Access, Local data storage for enhanced privacy, Version comparison tool, Advanced chronological note-taking with hashtags, Custom app creation from spreadsheets, Flexible backup and archiving (XLSX, CSV)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $1.99 | per month |
| Annual subscription | $9.99 | per year |


## Frequently asked questions

### Is Teckro free?

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

### Is CTCAE 5 Pro free?

CTCAE 5 Pro is free to download, with in-app purchases available.

### Which has better reviews, Teckro or CTCAE 5 Pro?

Teckro is rated higher. Teckro averages 5.0 out of 5 from 8 ratings, while CTCAE 5 Pro averages 4.8 from 38 ratings.

### Do Teckro or CTCAE 5 Pro have ads?

Neither Teckro nor CTCAE 5 Pro shows ads.

### Which is updated more often, Teckro or CTCAE 5 Pro?

Teckro ships an update fortnightly, and CTCAE 5 Pro every 5 weeks. Most recently, Teckro was updated on September 21, 2026 and CTCAE 5 Pro on September 22, 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.*