# Dolores Reader vs EisenStahl Calculator

The clearest difference is update cadence: EisenStahl Calculator at daily against Dolores Reader's every 15 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.

Dolores Reader ships an update every 15 months, EisenStahl Calculator daily. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Dolores Reader | EisenStahl Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Daily** |
| Size | 5 MB | 1 MB |
| Requires iOS | **11.0** | 12.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Steinbeis Forschungs- und Entwicklungszentren GmbH](https://appshunter.io/developer/452713161) | [OttComputer GmbH](https://appshunter.io/developer/1273591451) |

## What reviewers say

### Dolores Reader

[App page](https://appshunter.io/ios/app/dolores-reader/id808756407)

**Features:** macOS Compatibility

**In-app purchases:** none


### EisenStahl Calculator

[App page](https://appshunter.io/ios/app/eisenstahl-calculator/id1491071832)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Dolores Reader free?

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

### Is EisenStahl Calculator free?

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

### Do Dolores Reader or EisenStahl Calculator have ads?

Neither Dolores Reader nor EisenStahl Calculator shows ads.

### Which is updated more often, Dolores Reader or EisenStahl Calculator?

Dolores Reader ships an update every 15 months, and EisenStahl Calculator daily. Most recently, Dolores Reader was updated on November 6, 2026 and EisenStahl Calculator on November 3, 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.*