# DB Secure Authenticator vs OLIS Mobile Sherpa

The clearest difference is update cadence: DB Secure Authenticator at every 3 months against OLIS Mobile Sherpa's every 11 months. DB Secure Authenticator also leads on iOS requirement (15.0 vs 17.2). 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.

DB Secure Authenticator ships an update every 3 months, OLIS Mobile Sherpa every 11 months. The most recent releases landed on October 21, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | DB Secure Authenticator | OLIS Mobile Sherpa |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (24 ratings)](https://appshunter.io/ios/app/db-secure-authenticator/id1398868257/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 10.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 11 months |
| Monetization | Free | — |
| Size | 22 MB | 21 MB |
| Requires iOS | **15.0** | 17.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Deutsche Bank AG](https://appshunter.io/developer/361172749) | [CACEIS](https://appshunter.io/developer/1186213832) |

## What reviewers say

### DB Secure Authenticator

[App page](https://appshunter.io/ios/app/db-secure-authenticator/id1398868257)

This app offers a secure two-factor authentication solution for logging into accounts and authorizing transactions. It provides multiple methods for generating codes, including scanning QR codes, creating one-time passwords, and challenge/response for customer service verification. It also supports push notifications for transaction authorization.

**Highlights:** Two-factor authentication, QR code scanning, One-time password generation, Challenge/Response verification, Push notification authorization, PIN and biometric login

**In-app purchases:** none


### OLIS Mobile Sherpa

[App page](https://appshunter.io/ios/app/olis-mobile-sherpa/id1441962176)

**In-app purchases:** none


## Frequently asked questions

### Is DB Secure Authenticator free?

DB Secure Authenticator is free to download, with no in-app purchases.

### Is OLIS Mobile Sherpa free?

OLIS Mobile Sherpa is free to download, with no in-app purchases.

### Do DB Secure Authenticator or OLIS Mobile Sherpa have ads?

Neither DB Secure Authenticator nor OLIS Mobile Sherpa shows ads.

### Which is updated more often, DB Secure Authenticator or OLIS Mobile Sherpa?

DB Secure Authenticator ships an update every 3 months, and OLIS Mobile Sherpa every 11 months. Most recently, DB Secure Authenticator was updated on October 21, 2026 and OLIS Mobile Sherpa on October 3, 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.*