# Stelloa vs Preo Scanner

The clearest difference is update cadence: Stelloa at weekly against Preo Scanner's every 2 months. Stelloa also leads on iOS requirement (15.6 vs 18.4). 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.

Stelloa ships an update weekly, Preo Scanner every 2 months. The most recent releases landed on October 4, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Stelloa | Preo Scanner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Size | 34 MB | 48 MB |
| Requires iOS | **15.6** | 18.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [OLIVIA RIBIN ZANK](https://appshunter.io/developer/1787042140) | [Preo ApS](https://appshunter.io/developer/1683828233) |

## What reviewers say

### Stelloa

[App page](https://appshunter.io/ios/app/stelloa/id6739785530)

**In-app purchases:** none


### Preo Scanner

[App page](https://appshunter.io/ios/app/preo-scanner/id6757405806)

**In-app purchases:** none


## Frequently asked questions

### Is Stelloa free?

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

### Is Preo Scanner free?

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

### Do Stelloa or Preo Scanner have ads?

Neither Stelloa nor Preo Scanner shows ads.

### Which is updated more often, Stelloa or Preo Scanner?

Stelloa ships an update weekly, and Preo Scanner every 2 months. Most recently, Stelloa was updated on October 4, 2026 and Preo Scanner on October 17, 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.*