Pegel vs Forecast Alarm
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pegel
Access real-time water levels, measurements, and forecasts for rivers, waterways, and coastal areas across Germany. View historical data, tide times, and relevant weather information directly on a map.
- Current water levels from numerous gauges
- Water-level forecasts
- Measurement history and trends
- High and low tide times
- Map with gauge locations
- Water and air temperatures
- Sunrise, sunset, moon phase, and weather info
Read full descriptionHide full description
Pegel.app keeps current water levels, measurements and forecasts at your fingertips – clearly presented, quick to access and available directly on the map. The app displays gauges on rivers, waterways and coastal areas throughout Germany. The information is obtained from public data sources maintained by the Federal Waterways and Shipping Administration and other responsible authorities. Features: - Current water levels from numerous gauges - Water-level forecasts, where available - Forecast values grouped by date for several days - Measurement history and trends - Astronomical deviation between observed water levels and predicted tides, where available - High and low tide times at tidal gauges - Map with gauge locations - Sorting by name or distance - Search by gauge, waterway or region - Favourites for frequently used stations - Reference water levels and vertical datums - Water and air temperatures, where provided by the station - Sunrise, sunset, moon phase and weather information - German, English, French, Dutch, Norwegian and Spanish - For vessels 90 metres or longer, the app also calculates the permitted maximum speeds over ground on the tidal Elbe. The calculation is based on the official current data table published by the Federal Waterways and Shipping Administration and the high-water times at the four reference gauges. Whether you are monitoring a river, planning a trip, visiting the coast or spending time on the water, Pegel.app presents important water-level information in a clear and convenient format. The information shown is provided for general guidance. Official notices, flood warnings, traffic signs, instructions from vessel traffic services and nautical publications must always be followed for navigation and safety-related decisions.
Forecast Alarm
Receive wind alerts based on custom thresholds and notification frequency. This app monitors multiple weather models to keep you informed about wind conditions.
- Custom wind threshold notifications
- Configurable notification frequency
- Monitors Arpège, Arome, GFS, ECMWF, Icon models
- Monitors NAM USA, NAM Puerto Rico, NAM Haiti models
- EULA available
Read full descriptionHide full description
Set the wind threshold at which you want to receive a notification, configure the frequency of notifications and you can rest easy. Forecast Alarm monitors the Arpège, Arome, GFS, ECMWF, Icon, ECMWF AIFS, NAM USA, NAM Puerto Rico, NAM Haiti models for you. EULA: https://www.forecastalarm.fr/apple_eula_en.html
Screenshots
Verdict
The clearest difference is review sentiment: Forecast Alarm at 100% against Pegel's 40%. Forecast Alarm also leads on update cadence (every 4 days vs every 3 weeks). Pegel's advantage is in-app purchases (none vs 4). On price, ads, device support and iOS requirement 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. Forecast Alarm sells 4 in-app purchases, starting at $5.99 per month. Pegel asks for nothing beyond the download.
Pegel ships an update every 3 weeks, Forecast Alarm every 4 days. The most recent releases landed on October 14, 2026 and October 9, 2026 respectively.
| Parameter | Pegel | Forecast Alarm |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 40.0% of reviews | 100.0% of reviews — better |
| Update frequency | Every 3 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 16.4 — better |
| Further details — not scored | ||
| Size | 3 MB | 54 MB |
| Age rating | 4+ | 4+ |
| Developer | Hans-Jurgen Beckmerhagen | Inia |
Customer experience
Pegel
Forecast Alarm
In-app purchases
Pegel
No in-app purchases
Forecast Alarm
- Abonnement Large Mensuel$5.991 Month
- Abonnement Large Plus Hebdomadaire$8.997 Days
- Annual Subscription$12.991 Year
Show 1 moreShow fewer
- Abonnement Large Annuel$17.991 Year









