# EnviroTRAK vs Biosearch

The clearest difference is update cadence: Biosearch at monthly against EnviroTRAK's every 5 months. EnviroTRAK's advantage is iOS requirement (10.1 vs 16.0). 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.

EnviroTRAK ships an update every 5 months, Biosearch monthly. The most recent releases landed on September 30, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | EnviroTRAK | Biosearch |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Size | 28 MB | 107 MB |
| Requires iOS | **10.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ZetaSafe Limited](https://appshunter.io/developer/702791559) | [Scaffold Digital Ltd](https://appshunter.io/developer/1407243594) |

## What reviewers say

### EnviroTRAK

[App page](https://appshunter.io/ios/app/envirotrak/id1484471399)

**Features:** macOS Compatibility

**In-app purchases:** none


### Biosearch

[App page](https://appshunter.io/ios/app/biosearch/id1560367615)

**In-app purchases:** none


## Frequently asked questions

### Is EnviroTRAK free?

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

### Is Biosearch free?

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

### Do EnviroTRAK or Biosearch have ads?

Neither EnviroTRAK nor Biosearch shows ads.

### Which is updated more often, EnviroTRAK or Biosearch?

EnviroTRAK ships an update every 5 months, and Biosearch monthly. Most recently, EnviroTRAK was updated on September 30, 2026 and Biosearch 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.*