# Bauernkalender vs BlitzRechner

The clearest difference is price: BlitzRechner at Free against Bauernkalender's $1.99. BlitzRechner also leads on update cadence (every 4 weeks vs every 7 months) and iOS requirement (16.0 vs 18.0). Bauernkalender's advantage is in-app purchases (none vs 3). On ads and device support there is nothing between them.

BlitzRechner is free to download; Bauernkalender costs $1.99 up front. BlitzRechner sells 3 one-off in-app purchases. Bauernkalender asks for nothing beyond the download.

Bauernkalender ships an update every 7 months, BlitzRechner every 4 weeks. The most recent releases landed on October 14, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Bauernkalender | BlitzRechner |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 weeks** |
| Monetization | Paid | — |
| Size | 32 MB | 2 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Swift Management AG](https://appshunter.io/developer/325175883) | [Christopher Fuchs](https://appshunter.io/developer/1654565548) |

## What reviewers say

### Bauernkalender

[App page](https://appshunter.io/ios/app/bauernkalender/id325175880)

This app brings generations of weather knowledge to your iPhone with simple, historically accurate rules. It offers daily and monthly weather proverbs, along with name days, for a unique approach to forecasting.

**Highlights:** Generational weather knowledge, Simple, accurate weather rules, Daily and monthly proverbs, Name day information, Shareable weather rules

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

**In-app purchases:** none


### BlitzRechner

[App page](https://appshunter.io/ios/app/blitzrechner/id6446580439)

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Brötchen | $1.99 | one-time |
| Pommes | $3.99 | one-time |
| Döner | $6.99 | one-time |


## Frequently asked questions

### Is Bauernkalender free?

Bauernkalender costs $1.99, with no in-app purchases.

### Is BlitzRechner free?

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

### Do Bauernkalender or BlitzRechner have ads?

Neither Bauernkalender nor BlitzRechner shows ads.

### Which is updated more often, Bauernkalender or BlitzRechner?

Bauernkalender ships an update every 7 months, and BlitzRechner every 4 weeks. Most recently, Bauernkalender was updated on October 14, 2026 and BlitzRechner on September 29, 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.*