# Teckro vs Emerald

The clearest difference is update cadence: Teckro at fortnightly against Emerald's every 4 months. Emerald's advantage is iOS requirement (12.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Teckro ships an update fortnightly, Emerald every 4 months. The most recent releases landed on October 8, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Teckro | Emerald |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/teckro/id1074251108/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 months |
| Monetization | Free | — |
| Size | 68 MB | 78 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [Teckro](https://appshunter.io/developer/1074251107) | [ERT,INC](https://appshunter.io/developer/1160214546) |

## 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


### Emerald

[App page](https://appshunter.io/ios/app/emerald-3/id1666789403)

**In-app purchases:** none


## Frequently asked questions

### Is Teckro free?

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

### Is Emerald free?

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

### Do Teckro or Emerald have ads?

Neither Teckro nor Emerald shows ads.

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

Teckro ships an update fortnightly, and Emerald every 4 months. Most recently, Teckro was updated on October 8, 2026 and Emerald on September 30, 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.*