Compass Map Barometer vs PV Solar Forecast
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Compass Map Barometer
This application provides a digital compass to easily identify cardinal directions and any arbitrary direction. It offers the flexibility to switch between magnetic and true north, and includes a map rotation feature. A barometer function is also available on compatible devices.
- Electronic compass
- Magnetic and true north modes
- Map rotation
- Barometer function
- Designates cardinal directions
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A simple arrow electronic magnetic easy compass free application which can easily designate four directions and arbitrary directions of north, east, south and west. Can switch magnetic north (magnet compass) and true north (gyro compass). Map rotation compass function. Barometer function (iPhone 6 / Plus -). Accuracy depends on device.
PV Solar Forecast
Predict your solar power generation for up to 360 hours and 15 days ahead. This tool helps you save energy and money by planning appliance usage, EV charging, and understanding your system's output. It also provides detailed weather forecasts and data export options.
- 360-hour solar production forecast
- 15-day daily solar production forecast
- 12-month monthly generation forecasts
- CSV data export
- Current power estimation
- Global location forecasting
- Hourly weather forecast
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PV Solar Forecast for 360 hours and 15 days ahead with CSV data export feature Predict the solar production for the future 360 hours and save energy and money. Suitable for rooftop PV solar systems or any type of solar photovoltaic power plant. If you have installed a PV System on your roof or any other location, this is the right tool for you to predict your electricity generation, hour-by-hour for the next 360 hours, and daily for the next 15 days. With the latest feature, now you can estimate your monthly electricity generation for 12 months. Export data as CSV format. Start forecasting your PV solar generation, save money and reduce your utility bills. Plan your appliances at home in advance. Schedule the best time for charging of your Electrical Vehicle (EV). Predict your solar energy and earnings of your PV Solar Plant. App features - Current power estimation for your PV System - Hourly solar production forecast for the next 360 hours - Daily solar production forecast for the next 15 days - Export data as CSV format and elaborate it further - Monthly generation forecasts for 12 months - Annual generation forecasts - 4 PV sections for PV System configuration - Estimated hourly and daily earnings - Estimated avoided CO2 emissions on a daily basis - Global locations. You can predict production in any place you like: ex. PV System on your roof in Barcelona, PV plant in San Francisco. - Current weather for your location - Hourly weather forecast for the next 360 hours - Hourly precipitation probabilities - Daily weather forecast for the next 15 days - Daily precipitation probabilities Additional details - Optimal tilt angle for the current day - Sunlight duration - Air temperature - Minimum and maximum daily air temperatures - Air pressure - Wind speed & wind direction - Humidity - Dew point - UV index - Precipitation probability - Sunrise time - Sunset time - Moon phases - Visibility distance Benefits of the User - Early planning of production quantities - Reduction of schedule deviations - Assistant for electricity trading on the Market - Scheduling for charging Electrical Vehicles (EV) - Scheduling for usage of home appliances Application areas - Individual systems for optimising self-consumption (Households Rooftop PV) - Large scale solar photovoltaic power plants - Energy supply companies - Direct marketing of electricity from PV production Know your power in advance. Plan your needs. PV Solar Production and Weather Forecast for all global locations. Locate your solar panels or PV plant and start forecasting the power & generation. Live current power. Enter your design parameters and follow the current power of your PV System The app’s background is based on an expert system which combines sophisticated algorithms with statistical and physical models. Local accurate weather data are taken into account for achieving greater accuracy for the electricity generation. For easier search: photovoltaic cell, photovoltaic panels, solar array, solar cell efficiency, solar energy, solar energy cost, solar installation, solar panel cost, pv modules, solar power inverter, solar panels for home, rooftop solar, RV solar, solar pv plant, solar optimization, solar production, pv estimate, solar estimate, pv solcast. Thanks for using our app. If you have encountered any problem or you have any suggestion, please do not hesitate to contact us at support@pvsolcast.com. Please note that all features are available in the premium version of the app. You may have limited access to some features in the free version. Website: www.pvsolcast.com Read the terms and conditions here: https://sites.google.com/view/pvfterms/home Read the privacy policy here: https://sites.google.com/view/iospvforecast/home
Screenshots
Verdict
The clearest difference is in-app purchases: Compass Map Barometer at none against PV Solar Forecast's 4. Compass Map Barometer also leads on rating (4.4 vs 4.0) and review sentiment (38% vs 21%). PV Solar Forecast's advantage is update cadence (every 3 months vs every 7 months). 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. PV Solar Forecast sells 2 in-app purchases, starting at $9.99 per month. Compass Map Barometer asks for nothing beyond the download.
Compass Map Barometer holds the better App Store score, 4.4 against 4.0. Both are backed by a comparable volume of ratings — 130 and 43 respectively. Written reviews point the same way: 38% of Compass Map Barometer's written reviews are positive against 21% of PV Solar Forecast's.
Compass Map Barometer ships an update every 7 months, PV Solar Forecast every 3 months. The most recent releases landed on September 24, 2026 and September 28, 2026 respectively.
| Parameter | Compass Map Barometer | PV Solar Forecast |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (130 ratings) — better | 4.0 (43 ratings) |
| Positive reviews | 38.5% of reviews — better | 21.2% of reviews |
| Number of ratings | 130 — better | 43 |
| Update frequency | Every 7 months | Every 3 months — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13 | 13.0 |
| Further details — not scored | ||
| Size | 10 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | SHIGETO TAKAGI | Igor Ilijovski |
Customer experience
Compass Map Barometer
PV Solar Forecast
In-app purchases
Compass Map Barometer
No in-app purchases
PV Solar Forecast
- Unlock all features2 variants$9.991 Month
- Unlock all features2 variants$39.991 Year
Questions
Is Compass Map Barometer free?
Is PV Solar Forecast free?
Which has better reviews, Compass Map Barometer or PV Solar Forecast?
Do Compass Map Barometer or PV Solar Forecast have ads?
Which is updated more often, Compass Map Barometer or PV Solar Forecast?
Other comparisons
