# TruLab Sample Tracker vs PHA022121

The clearest difference is update cadence: PHA022121 at monthly against TruLab Sample Tracker's every 2 months. PHA022121 also leads on iOS requirement (12.0 vs 15.1). 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.

TruLab Sample Tracker ships an update every 2 months, PHA022121 monthly. The most recent releases landed on October 5, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | TruLab Sample Tracker | PHA022121 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (11 ratings)](https://appshunter.io/ios/app/trulab-sample-tracker/id6443908394/reviews)** | — |
| Number of ratings | **11** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 66 MB | 81 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [TruLab, Inc.](https://appshunter.io/developer/1533473451) | [ERT,INC](https://appshunter.io/developer/1160214546) |

## 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, Vision Pro support

**In-app purchases:** none


### PHA022121

[App page](https://appshunter.io/ios/app/pha022121-c303/id6657974553)

**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 PHA022121 free?

PHA022121 is free to download, with no in-app purchases.

### Do TruLab Sample Tracker or PHA022121 have ads?

Neither TruLab Sample Tracker nor PHA022121 shows ads.

### Which is updated more often, TruLab Sample Tracker or PHA022121?

TruLab Sample Tracker ships an update every 2 months, and PHA022121 monthly. Most recently, TruLab Sample Tracker was updated on October 5, 2026 and PHA022121 on October 9, 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.*