# Technical Pocket Guide (STT) vs DBV

The clearest difference is update cadence: DBV at every 3 months against Technical Pocket Guide (STT)'s every 9 months. 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.

Technical Pocket Guide (STT) ships an update every 9 months, DBV every 3 months. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Technical Pocket Guide (STT) | DBV |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/technical-pocket-guide-stt/id426818450/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 55.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 55 MB | 18 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Schaeffler Technologies GmbH & Co. KG](https://appshunter.io/developer/426470435) | [Fraunhofer](https://appshunter.io/developer/487639036) |

## What reviewers say

### Technical Pocket Guide (STT)

[App page](https://appshunter.io/ios/app/technical-pocket-guide-stt/id426818450)

This mobile reference guide offers essential technical knowledge for students, engineers, and technicians. It features a comprehensive search function, customizable bookmarks, and offline access, making it a convenient tool for daily work.

**Highlights:** Mobile technical reference, Full-text search, Table of contents with links, Customizable bookmarks and notes, Email content sharing, Offline functionality

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

**In-app purchases:** none


### DBV

[App page](https://appshunter.io/ios/app/dbv-schriften/id1458369345)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Technical Pocket Guide (STT) free?

Technical Pocket Guide (STT) is free to download, with no in-app purchases.

### Is DBV free?

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

### Do Technical Pocket Guide (STT) or DBV have ads?

Neither Technical Pocket Guide (STT) nor DBV shows ads.

### Which is updated more often, Technical Pocket Guide (STT) or DBV?

Technical Pocket Guide (STT) ships an update every 9 months, and DBV every 3 months. Most recently, Technical Pocket Guide (STT) was updated on November 6, 2026 and DBV on November 7, 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.*