# BW vs Extra Karte

The clearest difference is review sentiment: Extra Karte at 92% against BW's 42%. Extra Karte also leads on rating (4.9 vs 1.0) and update cadence (fortnightly vs every 3 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Extra Karte holds the better App Store score, 4.9 against 1.0. That said, the two scores are not equally well evidenced: Extra Karte has 34 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 42% of BW's written reviews are positive against 92% of Extra Karte's.

BW ships an update every 3 months, Extra Karte fortnightly. The most recent releases landed on September 18, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | BW | Extra Karte |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/bw-secure-mit-3d-secure/id1476519943/reviews) | **[4.9 (34 ratings)](https://appshunter.io/ios/app/extra-karte/id1635133235/reviews)** |
| Number of ratings | 1 | **34** |
| Positive reviews | 42.3% of reviews | **91.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 25 MB | 87 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Baden-Württembergische Bank](https://appshunter.io/developer/377691163) | [Bank DiMare Limited](https://appshunter.io/developer/1635133121) |

## What reviewers say

### BW

[App page](https://appshunter.io/ios/app/bw-secure-mit-3d-secure/id1476519943)

Securely authorize online credit card payments directly from your smartphone. Avoid fraud with this convenient and easy-to-use payment verification tool.

**Highlights:** Secure online payment authorization, Convenient in-app verification, Protection against credit card fraud, Easy registration via QR code, Supports Mastercard Identity Check™, Supports Visa Secure

**Features:** Vision Pro support

**In-app purchases:** none


### Extra Karte

[App page](https://appshunter.io/ios/app/extra-karte/id1635133235)

Manage your credit card account securely and conveniently from your mobile device. View card details, confirm payments, track transactions, and pay invoices. You can also apply for a new card directly within the app.

**Highlights:** View card details, Confirm online payments, See all transactions, Check and pay invoices, Apply for new card, Installment options, Cashback on travel

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

**In-app purchases:** none


## Frequently asked questions

### Is BW free?

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

### Is Extra Karte free?

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

### Which has better reviews, BW or Extra Karte?

Extra Karte is rated higher. BW averages 1.0 out of 5 from 1 ratings, while Extra Karte averages 4.9 from 34 ratings.

### Do BW or Extra Karte have ads?

Neither BW nor Extra Karte shows ads.

### Which is updated more often, BW or Extra Karte?

BW ships an update every 3 months, and Extra Karte fortnightly. Most recently, BW was updated on September 18, 2026 and Extra Karte on September 26, 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.*