# Possum vs ShowerStar

The clearest difference is update cadence: ShowerStar at monthly against Possum's every 17 months. Possum's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 16.0). On price, 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.

Possum ships an update every 17 months, ShowerStar monthly. The most recent releases landed on October 6, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Possum | ShowerStar |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Monthly** |
| Monetization | Free | — |
| Size | 34 MB | 48 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [THE TRUSTEE FOR KINCELTAGE FAMILY TRUST](https://appshunter.io/developer/1568978516) | [TouchGrid](https://appshunter.io/developer/1780508994) |

## What reviewers say

### Possum

[App page](https://appshunter.io/ios/app/possum/id1568978514)

This app assists with levelling caravans, camper trailers, and motorhomes using a Bluetooth device. It provides a simple visual interface to achieve perfect level, ensuring your fridge works correctly and you sleep comfortably. Installation is easy with no wiring required.

**Highlights:** Bluetooth caravan levelling, Visual levelling assistance, Ensures fridge functionality, Improves sleep comfort, Easy installation, Internal battery powered

**In-app purchases:** none


### ShowerStar

[App page](https://appshunter.io/ios/app/showerstar/id6738381476)

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

**In-app purchases:** none


## Frequently asked questions

### Is Possum free?

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

### Is ShowerStar free?

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

### Do Possum or ShowerStar have ads?

Neither Possum nor ShowerStar shows ads.

### Which is updated more often, Possum or ShowerStar?

Possum ships an update every 17 months, and ShowerStar monthly. Most recently, Possum was updated on October 6, 2026 and ShowerStar on October 1, 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.*