# I/O Field vs RAPS

The clearest difference is iOS requirement: I/O Field at 12.4 against RAPS's 14.0. 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.

I/O Field ships an update every 14 months, RAPS every 26 months. The most recent releases landed on October 16, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | I/O Field | RAPS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 14 months** | Every 26 months |
| Size | 123 MB | 92 MB |
| Requires iOS | **12.4** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WAGO Kontakttechnik GmbH & Co. KG](https://appshunter.io/developer/726217018) | [Kassenärztliche Vereinigung Niedersachsen](https://appshunter.io/developer/627959422) |

## What reviewers say

### I/O Field

[App page](https://appshunter.io/ios/app/io-field/id1475074379)

**Features:** macOS Compatibility

**In-app purchases:** none


### RAPS

[App page](https://appshunter.io/ios/app/raps/id1629595241)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is I/O Field free?

I/O Field is free to download, with no in-app purchases.

### Is RAPS free?

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

### Do I/O Field or RAPS have ads?

Neither I/O Field nor RAPS shows ads.

### Which is updated more often, I/O Field or RAPS?

I/O Field ships an update every 14 months, and RAPS every 26 months. Most recently, I/O Field was updated on October 16, 2026 and RAPS on October 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*