# Zeitenjagd Calculator vs simos.app

The clearest difference is in-app purchases: Zeitenjagd Calculator at none against simos.app's 3. Zeitenjagd Calculator also leads on iOS requirement (11.4 vs 17.6). simos.app's advantage is update cadence (weekly vs every 4 months). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. simos.app sells 3 one-off in-app purchases. Zeitenjagd Calculator asks for nothing beyond the download.

Zeitenjagd Calculator ships an update every 4 months, simos.app weekly. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Zeitenjagd Calculator | simos.app |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/simosapp/id6760018423/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Free | Free |
| Size | 0 MB | 7 MB |
| Requires iOS | **11.4** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SG Software GmbH & Co. KG](https://appshunter.io/developer/441701490) | [Tycho Sebastian Holzer](https://appshunter.io/developer/1882338941) |

## What reviewers say

### Zeitenjagd Calculator

[App page](https://appshunter.io/ios/app/zeitenjagd-calculator/id1454216053)

This utility app helps users accurately calculate 100-200 km/h acceleration times. It supports data from popular measurement devices like Dragy and P-Gear. Easily correct and refine your performance metrics.

**Highlights:** Correct 100-200 km/h times, Supports Dragy measurements, Supports P-Gear measurements, Easy to use interface, Refine performance metrics

**In-app purchases:** none


### simos.app

[App page](https://appshunter.io/ios/app/simosapp/id6760018423)

This tool provides diagnostic, data logging, and flashing capabilities for VAG petrol engines with specific Simos ECUs. It allows real-time monitoring of engine parameters, ECU identification, and analysis of recorded data through multi-channel graphs. Users can also update their ECU with stock or custom tunes.

**Highlights:** Real-time ECU parameter logging, ECU identification and info, Multi-channel log analysis graphs, ECU and TCU flashing, Support for Simos 18.x and 12.1 ECUs

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| App VIN Unlock | $17.99 | one-time |
| Wizard: Pops & Bangs - Single Bin | $17.99 | one-time |
| Stage 1 Bin | $179.99 | one-time |


## Frequently asked questions

### Is Zeitenjagd Calculator free?

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

### Is simos.app free?

simos.app is free to download, with in-app purchases available.

### Do Zeitenjagd Calculator or simos.app have ads?

Neither Zeitenjagd Calculator nor simos.app shows ads.

### Which is updated more often, Zeitenjagd Calculator or simos.app?

Zeitenjagd Calculator ships an update every 4 months, and simos.app weekly. Most recently, Zeitenjagd Calculator was updated on November 2, 2026 and simos.app on November 5, 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.*