# CTC vs Teckro

The clearest difference is price: Teckro at Free against CTC's $3.99. Teckro also leads on in-app purchases (none vs 1) and update cadence (fortnightly vs every 2 months). CTC's advantage is review sentiment (56% vs 33%). On ads, device support and iOS requirement there is nothing between them.

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

CTC ships an update every 2 months, Teckro fortnightly. The most recent releases landed on October 1, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | CTC | Teckro |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | — | **[5.0 (8 ratings)](https://appshunter.io/ios/app/teckro/id1074251108/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | **55.6% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Paid | **Free** |
| Size | 2 MB | 68 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Arpacore B.V.](https://appshunter.io/developer/1441928570) | [Teckro](https://appshunter.io/developer/1074251107) |

## 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 |


### 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


## Frequently asked questions

### Is CTC free?

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

### Is Teckro free?

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

### Do CTC or Teckro have ads?

Neither CTC nor Teckro shows ads.

### Which is updated more often, CTC or Teckro?

CTC ships an update every 2 months, and Teckro fortnightly. Most recently, CTC was updated on October 1, 2026 and Teckro on October 8, 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.*