# TechApp for Audi vs Ost2rad

The clearest difference is review sentiment: Ost2rad at 94% against TechApp for Audi's 40%. Ost2rad also leads on price (Free vs $2.99) and update cadence (every 2 months vs every 12 months). TechApp for Audi's advantage is chart position (#64 vs unranked) and iOS requirement (10.0 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

Ost2rad is free to download; TechApp for Audi costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

TechApp for Audi ships an update every 12 months, Ost2rad every 2 months. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | TechApp for Audi | Ost2rad |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ost2rad/id1295745720/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 40.0% of reviews | **94.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Best chart rank | **#64** | — |
| Size | 3 MB | 47 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vladimir Susoykin](https://appshunter.io/developer/918411050) | [Ost2rad GmbH & Co. KG](https://appshunter.io/developer/1295745719) |

## What reviewers say

### TechApp for Audi

[App page](https://appshunter.io/ios/app/techapp-for-audi/id1002164392)

**Currently charting:** #64 Top Paid · Shopping (US App Store)

Access detailed technical information for car repair and maintenance. Covers general data, chassis, torques, fuel and brake systems, lighting, and fluid intervals for various car models. Data adheres to automaker recommendations.

**Highlights:** General vehicle information, Chassis specifications, Bolt and nut tightening torques, Fuel and brake system data, Lighting lamp details, Service intervals and fluid volumes, Extensive model support

**Features:** macOS Compatibility

**In-app purchases:** none


### Ost2rad

[App page](https://appshunter.io/ios/app/ost2rad/id1295745720)

This app offers a comprehensive online shop and workshop for original and custom-made spare parts for classic East German motorcycles like MZ, SIMSON, and JAWA. It also provides restoration and repair services for these vintage vehicles.

**Highlights:** Original DDR-era spare parts, Custom-made parts, Service for MZ, SIMSON, JAWA motorcycles, Vehicle restoration, Engine overhaul, Wheel lacing, Online and in-store purchasing

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

**In-app purchases:** none


## Frequently asked questions

### Is TechApp for Audi free?

TechApp for Audi costs $2.99, with no in-app purchases.

### Is Ost2rad free?

Ost2rad is free to download, with no in-app purchases.

### Do TechApp for Audi or Ost2rad have ads?

Neither TechApp for Audi nor Ost2rad shows ads.

### Which is updated more often, TechApp for Audi or Ost2rad?

TechApp for Audi ships an update every 12 months, and Ost2rad every 2 months. Most recently, TechApp for Audi was updated on October 14, 2026 and Ost2rad on October 13, 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.*