# Parkingportal vs IngSoft InterWatt (eIAM)

The clearest difference is update cadence: IngSoft InterWatt (eIAM) at fortnightly against Parkingportal's every 10 months. IngSoft InterWatt (eIAM) also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

Parkingportal ships an update every 10 months, IngSoft InterWatt (eIAM) fortnightly. The most recent releases landed on October 10, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Parkingportal | IngSoft InterWatt (eIAM) |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Fortnightly** |
| Size | 5 MB | 51 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Digitalparking AG](https://appshunter.io/developer/1104202442) | [IngSoft GmbH](https://appshunter.io/developer/945284664) |

## What reviewers say

### Parkingportal

[App page](https://appshunter.io/ios/app/parkingportal/id6720739091)

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

**In-app purchases:** none


### IngSoft InterWatt (eIAM)

[App page](https://appshunter.io/ios/app/ingsoft-interwatt-eiam/id6740481986)

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

**In-app purchases:** none


## Frequently asked questions

### Is Parkingportal free?

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

### Is IngSoft InterWatt (eIAM) free?

IngSoft InterWatt (eIAM) is free to download, with no in-app purchases.

### Do Parkingportal or IngSoft InterWatt (eIAM) have ads?

Neither Parkingportal nor IngSoft InterWatt (eIAM) shows ads.

### Which is updated more often, Parkingportal or IngSoft InterWatt (eIAM)?

Parkingportal ships an update every 10 months, and IngSoft InterWatt (eIAM) fortnightly. Most recently, Parkingportal was updated on October 10, 2026 and IngSoft InterWatt (eIAM) on September 24, 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.*