# Plaans vs Bau

The clearest difference is in-app purchases: Bau at none against Plaans's 5. Plaans's advantage is update cadence (monthly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Plaans sells 5 in-app purchases, starting at $19.99 per month. Bau asks for nothing beyond the download.

Plaans ships an update monthly, Bau every 2 months. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Plaans | Bau |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 10 MB | 1 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mikavaa GmbH](https://appshunter.io/developer/638194134) | [Open Experience GmbH](https://appshunter.io/developer/952266236) |

## What reviewers say

### Plaans

[App page](https://appshunter.io/ios/app/plaans-site-documentation/id700653190)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $19.99 | per month |
| 5 additional credits | $8.99 | one-time |
| 10 additional credits | $17.99 | one-time |
| 25 additional credits | $35.99 | one-time |
| Plaans full version | $89.99 | one-time |


### Bau

[App page](https://appshunter.io/ios/app/bau-tagebuch/id1193078948)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Plaans free?

Plaans is free to download, with in-app purchases available.

### Is Bau free?

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

### Do Plaans or Bau have ads?

Neither Plaans nor Bau shows ads.

### Which is updated more often, Plaans or Bau?

Plaans ships an update monthly, and Bau every 2 months. Most recently, Plaans was updated on October 21, 2026 and Bau on October 24, 2026.

---

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