# Zeitenjagd Calculator vs e85Cal

The clearest difference is review sentiment: Zeitenjagd Calculator at 100% against e85Cal's 83%. On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Zeitenjagd Calculator | e85Cal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (37 ratings)](https://appshunter.io/ios/app/e85cal/id1470313135/reviews)** |
| Number of ratings | — | **37** |
| Positive reviews | **100.0% of reviews** | 83.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Free | Free |
| Size | 0 MB | 15 MB |
| Requires iOS | **11.4** | 12.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SG Software GmbH & Co. KG](https://appshunter.io/developer/441701490) | [Michael Joe](https://appshunter.io/developer/1132486512) |

## 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


### e85Cal

[App page](https://appshunter.io/ios/app/e85cal/id1470313135)

This app assists users in calculating the precise amounts of standard and ethanol gasoline needed to achieve a desired ethanol percentage in their fuel mix. It simplifies the process by taking into account tank size, current fuel level, and the ethanol content of available fuel types.

**Highlights:** Calculate ethanol percentage goal, Enter gas tank size, Input standard pump gas ethanol %, Input ethanol pump gas ethanol %, Set target ethanol % mix, Enter current fuel level %

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Zeitenjagd Calculator free?

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

### Is e85Cal free?

e85Cal is free to download, with no in-app purchases.

### Do Zeitenjagd Calculator or e85Cal have ads?

Neither Zeitenjagd Calculator nor e85Cal shows ads.

### Which is updated more often, Zeitenjagd Calculator or e85Cal?

Zeitenjagd Calculator ships an update every 4 months, and e85Cal every 4 months. Most recently, Zeitenjagd Calculator was updated on October 1, 2026 and e85Cal on October 24, 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.*