# ISME Microbes vs FLC Green Book

The clearest difference is iOS requirement: ISME Microbes at 13.4 against FLC Green Book's 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.

## The numbers

| Metric | ISME Microbes | FLC Green Book |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Size | 82 MB | 35 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [International Society for Microbial Ecology](https://appshunter.io/developer/1394492884) | [Federal Laboratory Consortium](https://appshunter.io/developer/1522043064) |

## What reviewers say

### ISME Microbes

[App page](https://appshunter.io/ios/app/isme-microbes/id1394492885)

**Features:** macOS Compatibility

**In-app purchases:** none


### FLC Green Book

[App page](https://appshunter.io/ios/app/flc-green-book/id6695758676)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ISME Microbes free?

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

### Is FLC Green Book free?

FLC Green Book is free to download, with no in-app purchases.

### Do ISME Microbes or FLC Green Book have ads?

Neither ISME Microbes nor FLC Green Book shows ads.

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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.*