# BUILDUP.bautagebuch vs Ottertools FS

The clearest difference is iOS requirement: Ottertools FS at 13.0 against BUILDUP.bautagebuch's 15.0. 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.

## The numbers

| Metric | BUILDUP.bautagebuch | Ottertools FS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 31 MB | 6 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BauerSoftware GmbH](https://appshunter.io/developer/1495786502) | [Philipp Jung](https://appshunter.io/developer/1665649437) |

## What reviewers say

### BUILDUP.bautagebuch

[App page](https://appshunter.io/ios/app/buildupbautagebuch/id1356508982)

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

**In-app purchases:** none


### Ottertools FS

[App page](https://appshunter.io/ios/app/ottertools-fs/id1665649435)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BUILDUP.bautagebuch free?

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

### Is Ottertools FS free?

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

### Do BUILDUP.bautagebuch or Ottertools FS have ads?

Neither BUILDUP.bautagebuch nor Ottertools FS shows ads.

---

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