# Bauernkalender vs PM10º

The clearest difference is review sentiment: PM10º at 93% against Bauernkalender's 38%. PM10º also leads on price (Free vs $1.99) and update cadence (every 10 days vs every 7 months). On ads, in-app purchases and device support there is nothing between them.

PM10º is free to download; Bauernkalender costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Bauernkalender ships an update every 7 months, PM10º every 10 days. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Bauernkalender | PM10º |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[4.5 (103 ratings)](https://appshunter.io/ios/app/pm10/id791977420/reviews)** |
| Number of ratings | — | **103** |
| Positive reviews | 37.5% of reviews | **93.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 10 days** |
| Monetization | Paid | **Free** |
| Size | 32 MB | 55 MB |
| Requires iOS | 18.0 | **7.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Swift Management AG](https://appshunter.io/developer/325175883) | [Apption](https://appshunter.io/developer/485729500) |

## 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


### PM10º

[App page](https://appshunter.io/ios/app/pm10/id791977420)

This app provides real-time air quality information, including forecasts for fine dust (PM2.5, PM10), ozone, and yellow dust. It offers actionable advice to help users prevent respiratory illnesses and protect their health from air pollution. Users can easily check pollution levels by city and share data via social media.

**Highlights:** Real-time air quality data (CAI, PM2.5, PM10, Ozone, Yellow Dust), City-specific fine dust concentration checks, Real-time fine dust forecasts, Social media sharing of air quality data, Widget for quick access to air environment information, Fine dust glossary for detailed information, Background changes based on pollution levels

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and intuitive user interface
- 📊 Accurate air quality measurements
- ⚡ Quick and easy to check air conditions
- 🎨 Clean visual design with color coding
- 📍 Detailed regional/location information

**What reviewers complain about**

- 🐛 Frequent server errors and crashes
- ❌ Data loading failures and missing measurements
- 📍 Missing coverage for some regions (e.g., Sejong-si)
- ⚠️ Inaccurate readings compared to official sources
- 🔔 No notification system

**Reported bugs**

- Server errors occurring frequently
- App shows zero values for all locations
- Data not loading despite availability on official sources
- Current location selection not updating properly
- Inconsistent measurement readings

**Requested features**

- Multi-region comparison without re-input
- Temperature integration for weather needs
- PM2.5 detailed monitoring
- Expanded regional coverage (more districts/cities)
- Push notifications for air quality alerts


## Frequently asked questions

### Is Bauernkalender free?

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

### Is PM10º free?

PM10º is free to download, with no in-app purchases.

### Do Bauernkalender or PM10º have ads?

Neither Bauernkalender nor PM10º shows ads.

### Which is updated more often, Bauernkalender or PM10º?

Bauernkalender ships an update every 7 months, and PM10º every 10 days. Most recently, Bauernkalender was updated on October 24, 2026 and PM10º on October 23, 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.*