# ETH polybox vs ISME Microbes

The clearest difference is iOS requirement: ISME Microbes at 13.4 against ETH polybox's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

ETH polybox ships an update every 6 months, ISME Microbes every 5 months. The most recent releases landed on August 15, 2026 and June 22, 2026 respectively.

## The numbers

| Metric | ETH polybox | ISME Microbes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/eth-polybox/id909475675/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 months** |
| Monetization | Free | — |
| Size | 229 MB | 82 MB |
| Requires iOS | 17.0 | **13.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ETH Zurich](https://appshunter.io/developer/438432132) | [International Society for Microbial Ecology](https://appshunter.io/developer/1394492884) |

## What reviewers say

### ETH polybox

[App page](https://appshunter.io/ios/app/eth-polybox/id909475675)

This app provides secure online data storage and exchange for ETH Zurich members. It functions as a digital storage solution, offering 50 GB of space on campus servers to avoid external storage risks. Sync clients are available for easy access across devices.

**Highlights:** Secure online data storage, Data exchange for ETH members, 50 GB storage space, Avoids external storage, Sync clients for all OS, ETH account required

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

**In-app purchases:** none


### ISME Microbes

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ETH polybox free?

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

### Is ISME Microbes free?

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

### Do ETH polybox or ISME Microbes have ads?

Neither ETH polybox nor ISME Microbes shows ads.

### Which is updated more often, ETH polybox or ISME Microbes?

ETH polybox ships an update every 6 months, and ISME Microbes every 5 months. Most recently, ETH polybox was updated on August 15, 2026 and ISME Microbes on June 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.*