PréviCA vs GPF Weather System
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PréviCA
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Environment Canada are working hard to make accurate predictions. PréviCA brings this information to your iPhone, iPad and Apple Watch with a fast and elegant interface. You can easily switch between your favorite cities. You will know when a weather alert is emitted and the radar view is always available to plan your activities. (PréviCA is not affiliated to Environment Canada)
GPF Weather System
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GPF Weather System delivers precise, real-time weather information powered by Apple WeatherKit. Designed with clarity and minimalism in mind, the app provides current conditions and a 7-day forecast in a clean, distraction-free interface. Weather data refreshes automatically every minute and when the app returns to the foreground, ensuring up-to-date information. With the latest updates, the app introduces configurable weather alerts for temperature thresholds and incoming rain, along with customizable cooldown intervals. A dedicated Settings panel allows full control over notifications. The Home Screen widget displays the latest saved data and updates automatically on a best-effort basis. A companion Apple Watch app allows you to check current conditions and manually request a refresh directly from your wrist. Key Features: • Real-time current conditions • 7-day forecast • Configurable temperature and rain alerts • Automatic refresh (foreground + background best-effort) • Home Screen widget • Apple Watch companion app with iPhone-synced updates • Location-based weather • Clean, high-contrast interface No login required. No account registration. No tracking. Accurate weather data, presented clearly.
Screenshots
Verdict
The clearest difference is update cadence: GPF Weather System at every 11 days against PréviCA's every 2 months. PréviCA's advantage is iOS requirement (16.0 vs 18.6). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
PréviCA ships an update every 2 months, GPF Weather System every 11 days. The most recent releases landed on October 17, 2026 and October 14, 2026 respectively.
| Parameter | PréviCA | GPF Weather System |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, Apple Watch |
| Requires iOS | 16.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 30 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Consultation Massawippi | Gian Paolo Fontani |
In-app purchases
PréviCA
No in-app purchases
GPF Weather System
No in-app purchases
Questions
Is PréviCA free?
Is GPF Weather System free?
Do PréviCA or GPF Weather System have ads?
Which is updated more often, PréviCA or GPF Weather System?
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