# flateXSecure vs WISO Steuer

The clearest difference is update cadence: WISO Steuer at every 6 weeks against flateXSecure's every 5 months. flateXSecure's advantage is monetization model (free vs ad-supported) and device support (3 vs 1). On price, review sentiment, 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.

flateXSecure ships an update every 5 months, WISO Steuer every 6 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | flateXSecure | WISO Steuer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (85 ratings)](https://appshunter.io/ios/app/flatexsecure/id1174476178/reviews)** | — |
| Number of ratings | **85** | — |
| Positive reviews | 84.9% of reviews | **90.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 10 MB | 106 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [flatexDEGIRO SE](https://appshunter.io/developer/638392948) | [Buhl Data Service GmbH](https://appshunter.io/developer/366800332) |

## What reviewers say

### flateXSecure

[App page](https://appshunter.io/ios/app/flatexsecure/id1174476178)

Securely authorize transactions without an iTAN card. Receive TANs directly on your smartphone or tablet via the app. Get important notifications through push messages.

**Highlights:** Secure transaction authorization, iTAN card alternative, Receive TANs on smartphone/tablet, Push notifications, Choose authorization method

**In-app purchases:** none


### WISO Steuer

[App page](https://appshunter.io/ios/app/wiso-steuer-scan/id1451582379)

Easily digitize your tax receipts by photographing them with your iPhone. The app extracts key information, creates a PDF, and securely uploads it to your tax box for seamless integration into your tax declaration.

**Highlights:** Photograph tax receipts, Extract key receipt information, Create PDF documents, Securely upload to tax box, Integrate data into tax declaration, Share PDF invoices

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is flateXSecure free?

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

### Is WISO Steuer free?

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

### Do flateXSecure or WISO Steuer have ads?

Neither flateXSecure nor WISO Steuer shows ads.

### Which is updated more often, flateXSecure or WISO Steuer?

flateXSecure ships an update every 5 months, and WISO Steuer every 6 weeks. Most recently, flateXSecure was updated on October 24, 2026 and WISO Steuer on October 25, 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.*