# Technical Pocket Guide (STT) vs CHP Mobil

The clearest difference is update cadence: CHP Mobil at every 3 weeks against Technical Pocket Guide (STT)'s every 9 months. CHP Mobil also leads on iOS requirement (15.1 vs 17.0). 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.

Technical Pocket Guide (STT) ships an update every 9 months, CHP Mobil every 3 weeks. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Technical Pocket Guide (STT) | CHP Mobil |
| --- | --- | --- |
| 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** | 47.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 55 MB | 33 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Schaeffler Technologies GmbH & Co. KG](https://appshunter.io/developer/426470435) | [CHP Bitem](https://appshunter.io/developer/1144878879) |

## 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


### CHP Mobil

[App page](https://appshunter.io/ios/app/chp-mobil/id1144878880)

Stay updated with the latest news and official information from the Cumhuriyet Halk Partisi. Access historical data, party programs, regulations, election manifestos, and membership details. Connect with party officials and utilize web TV features.

**Highlights:** Latest news updates, Party history and program, Regulations and election manifestos, Volunteer and online membership, Contact information for officials, Web TV access

**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 CHP Mobil free?

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

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

Neither Technical Pocket Guide (STT) nor CHP Mobil shows ads.

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

Technical Pocket Guide (STT) ships an update every 9 months, and CHP Mobil every 3 weeks. Most recently, Technical Pocket Guide (STT) was updated on November 6, 2026 and CHP Mobil on November 2, 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.*