# Postbank BestSign vs DKB

Postbank BestSign and DKB both sit at 4.7 stars, but that hides the real split: 69% of Postbank BestSign's written reviews are positive against 40% of DKB's. DKB's advantage is update cadence (monthly vs every 2 months). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.7 for Postbank BestSign against 4.6 for DKB. Both are backed by a comparable volume of ratings — 1.1K and 1.5K respectively. Written reviews are what separate them: 69% of Postbank BestSign's written reviews are positive against 40% of DKB's.

Postbank BestSign ships an update every 2 months, DKB monthly. Both last shipped on October 26, 2026.

## The numbers

| Metric | Postbank BestSign | DKB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.1K ratings)](https://appshunter.io/ios/app/postbank-bestsign/id1442251022/reviews)** | [4.6 (1.5K ratings)](https://appshunter.io/ios/app/dkb/id1473806360/reviews) |
| Number of ratings | 1.1K | **1.5K** |
| Positive reviews | **68.5% of reviews** | 39.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | Free |
| Size | 81 MB | 141 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Postbank - eine Niederlassung der DB Privat- und Firmenkundenbank AG](https://appshunter.io/developer/330289564) | [Deutsche Kreditbank AG](https://appshunter.io/developer/580150855) |

## What reviewers say

### Postbank BestSign

[App page](https://appshunter.io/ios/app/postbank-bestsign/id1442251022)

This app provides a secure and convenient way to authorize transactions in online banking. It focuses solely on the BestSign security procedure, allowing for quick setup and easy login using passwords or biometrics.

**Highlights:** Secure order authorization, Dedicated BestSign procedure, Password login, Biometric login support, Separate security app

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Quick and reliable
- 💡 Logical and intuitive security mechanism

**What reviewers complain about**

- 🐛 Flaky QR code activation, causing app lockups
- 🐛 Unreliable functionality, often not working
- 🔒 Security design flaw with shared login credentials
- 🤯 Convoluted and frustrating user experience
- 🐛 Frequent crashes and login issues

**Reported bugs**

- QR code activation issues
- Frequent login failures and account access denials
- Crashes on app startup

**Requested features**

- Multi-language support
- Improved reliability and stability


### DKB

[App page](https://appshunter.io/ios/app/dkb/id1473806360)

Manage your finances with ease. Perform transfers, pay with digital wallets, and track investments on the go. Customize your accounts and cards, and update your personal information securely within the app.

**Highlights:** Transfers and standing orders, Apple & Google Pay integration, Customizable account and card naming, Visa card management and temporary blocking, Investment tracking and trading, Personal data updates, Two-factor authentication for payments

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

**In-app purchases:** none

**What reviewers like**

- 👍 Clean and simple app design
- 🚀 Works fine after changing to German phone number
- 🚀 Toller Start der neuen App

**What reviewers complain about**

- 🐛 Funktioniert nur einmal, dann Fehlermeldung
- 🐛 Kann keine internationale Nummer hinterlegen
- 🐛 App stürzt ab bei Einrichtung von Apple Pay oder Wunschpin
- 🐛 Keine Kontoauszüge zum Herunterladen
- 🐛 Überweisung kann nicht abgefragt werden

**Reported bugs**

- SMS kommt nicht an für internationale Nummer
- App funktioniert nur einmal, dann Fehlermeldung
- Überweisung kann nicht abgeschickt werden
- Visa Secure funktioniert nicht
- Gerät wird nicht erkannt, muss App neu installieren

**Requested features**

- Möglichkeit Daueraufträge zu ändern oder einzurichten
- Einsicht in Dokumente (Steuerbescheinigung etc)
- Finanzstatus Übersicht (Depotübersicht)
- Unterstützung für internationale Telefonnummern


## Frequently asked questions

### Is Postbank BestSign free?

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

### Is DKB free?

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

### Which has better reviews, Postbank BestSign or DKB?

Postbank BestSign is rated higher. Postbank BestSign averages 4.7 out of 5 from 1.1K ratings, while DKB averages 4.6 from 1.5K ratings.

### Do Postbank BestSign or DKB have ads?

Neither Postbank BestSign nor DKB shows ads.

### Which is updated more often, Postbank BestSign or DKB?

Postbank BestSign ships an update every 2 months, and DKB monthly. Most recently, Postbank BestSign was updated on October 26, 2026 and DKB on October 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.*