TemperAare vs Aarestation
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TemperAare
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Is the water warm enough to dare a plunge? TemperAare gives you live temperature data from the Aare river. Temperatures get updated whenever they change by 0.2 degrees Celsius.
Aarestation
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Aarestation – Jump in the Aare? Get your answer in seconds. Instead of checking a weather app, a hydrological data portal, and an air quality site separately, Aarestation shows you everything at a glance: is today a good day for an Aare swim in Bern? THE PAI SCORE – YOUR DECISION-MAKER The PAI algorithm condenses air temperature, wind, humidity, discharge, UV index, and water temperature into a single score from 1 to 10. A high score means the best possible conditions for jumping in. MAI – YOUR VERY OWN SCORE Every swimmer is different. With Mai (Mein Aare Index) you set your own target values and weightings for each factor – turning the general PAI into your personal Mai score, tailored exactly to you. WHAT THE APP OFFERS • PAI Score: the official decision-maker at a glance • Mai Score: your personal, fully configurable score • Aare: water temperature, discharge, and water level in real time • Weather: temperature, wind, humidity, UV, and short-term forecast • Air quality with current AQI values • Pollen levels for the Bern region • AR map view: discover swim spots nearby using your camera • Apple Watch app with watch face complication – your score right on your wrist • Live Activity: current conditions on the Lock Screen and in the Dynamic Island • Configurable Home Screen widget (PAI, Mai, Aare, or air) • Notifications the moment conditions are right • History and trends for the key values • Wind rose and sun chart for wind and sun over the day • Bern webcams – your live view of the Aare • A clear daily report for the perfect overview DATA SOURCES OpenWeatherMap, MeteoSwiss, FOEN (Swiss Federal Office for the Environment) hydrological data, WAQI.info, and Bern Tourism (webcams). NOTE This information is intended to support your assessment of conditions. Decisions about swimming in open water are always your own responsibility. Aarestation is an independent project by a passionate Aare swimmer from Bern.
Screenshots
Verdict
The clearest difference is in-app purchases: TemperAare at none against Aarestation's 4. TemperAare also leads on iOS requirement (12.0 vs 26.0). Aarestation's advantage is update cadence (every 9 days vs every 13 months). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Aarestation sells 4 one-off in-app purchases. TemperAare asks for nothing beyond the download.
TemperAare ships an update every 13 months, Aarestation every 9 days. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.
| Parameter | TemperAare | Aarestation |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 13 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 12.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 23 MB | 163 MB |
| Age rating | 4+ | 4+ |
| Developer | Tobias Oetiker | Peter Bognar |
In-app purchases
TemperAare
No in-app purchases
Aarestation
- Kaffee Silber$0.99
- Kaffee Bronze$0.99
- Kaffee Gold$5.99
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- Kaffee Platinum$9.99
Questions
Is TemperAare free?
Is Aarestation free?
Do TemperAare or Aarestation have ads?
Which is updated more often, TemperAare or Aarestation?
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