# TruLab Sample Tracker vs CenExel Mobile App

The clearest difference is update cadence: CenExel Mobile App at every 3 weeks against TruLab Sample Tracker's every 2 months. On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for TruLab Sample Tracker against 5.0 for CenExel Mobile App. Both are backed by a comparable volume of ratings — 11 and 4 respectively.

TruLab Sample Tracker ships an update every 2 months, CenExel Mobile App every 3 weeks. The most recent releases landed on September 18, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | TruLab Sample Tracker | CenExel Mobile App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (11 ratings)](https://appshunter.io/ios/app/trulab-sample-tracker/id6443908394/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/cenexel-mobile-app/id6740370118/reviews) |
| Number of ratings | **11** | 4 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 58 MB | 41 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [TruLab, Inc.](https://appshunter.io/developer/1533473451) | [CenExel Clinical Research, Inc.](https://appshunter.io/developer/1789666371) |

## What reviewers say

### TruLab Sample Tracker

[App page](https://appshunter.io/ios/app/trulab-sample-tracker/id6443908394)

This application simplifies the management of biological samples for clinical trials. It provides essential sample-level metadata, making tracking and organization straightforward for researchers and medical professionals.

**Highlights:** Biological sample metadata tracking, Clinical trial support, Easy-to-use interface, Sample-level data management

**Features:** macOS Compatibility

**In-app purchases:** none


### CenExel Mobile App

[App page](https://appshunter.io/ios/app/cenexel-mobile-app/id6740370118)

Discover and apply for clinical research studies based on your location. Filter studies by zip code, inquire about pricing, age and gender restrictions, and other relevant criteria.

**Highlights:** Find local clinical studies, Filter by zip code, Request study information, View pricing details, Check age and gender restrictions

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TruLab Sample Tracker free?

TruLab Sample Tracker is free to download, with no in-app purchases.

### Is CenExel Mobile App free?

CenExel Mobile App is free to download, with no in-app purchases.

### Which has better reviews, TruLab Sample Tracker or CenExel Mobile App?

TruLab Sample Tracker and CenExel Mobile App are both rated 5.0 out of 5 on the App Store, from 11 and 4 ratings respectively.

### Do TruLab Sample Tracker or CenExel Mobile App have ads?

Neither TruLab Sample Tracker nor CenExel Mobile App shows ads.

### Which is updated more often, TruLab Sample Tracker or CenExel Mobile App?

TruLab Sample Tracker ships an update every 2 months, and CenExel Mobile App every 3 weeks. Most recently, TruLab Sample Tracker was updated on September 18, 2026 and CenExel Mobile App on September 17, 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.*