# Interactive Paper vs IQ Bau

The clearest difference is update cadence: Interactive Paper at every 10 days against IQ Bau's every 2 months. IQ Bau's advantage is iOS requirement (13.0 vs 15.6). 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.

Interactive Paper ships an update every 10 days, IQ Bau every 2 months. The most recent releases landed on September 10, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Interactive Paper | IQ Bau |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 months |
| Size | 13 MB | 83 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Interactive Paper](https://appshunter.io/developer/1409668707) | [IQ Bau Gesellschaft fur innovative Bautechnik mbH](https://appshunter.io/developer/1627669586) |

## What reviewers say

### Interactive Paper

[App page](https://appshunter.io/ios/app/interactive-paper/id1605633173)

**Features:** Vision Pro support

**In-app purchases:** none


### IQ Bau

[App page](https://appshunter.io/ios/app/iq-bau/id1627669584)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Interactive Paper free?

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

### Is IQ Bau free?

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

### Do Interactive Paper or IQ Bau have ads?

Neither Interactive Paper nor IQ Bau shows ads.

### Which is updated more often, Interactive Paper or IQ Bau?

Interactive Paper ships an update every 10 days, and IQ Bau every 2 months. Most recently, Interactive Paper was updated on September 10, 2026 and IQ Bau on September 8, 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.*