Comparison

PréviCA vs GPF Weather System

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PréviCA

Features
Read full description

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)

About

GPF Weather System

Features
Read full description

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

PréviCA2 screens
GPF Weather System4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 4 level
PréviCA versus GPF Weather System: the parameters behind the verdict, then further details
ParameterPréviCAGPF Weather System
PriceFreeFree
Update frequencyEvery 2 monthsEvery 11 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, Apple Watch — betteriPhone, Apple Watch
Requires iOS16.0 — better18.6
Further details — not scored
Size30 MB2 MB
Age rating4+4+
DeveloperConsultation MassawippiGian Paolo Fontani

In-app purchases

None

PréviCA

No in-app purchases

None

GPF Weather System

No in-app purchases

Questions

Is PréviCA free?
PréviCA is free to download, with no in-app purchases.
Is GPF Weather System free?
GPF Weather System is free to download, with no in-app purchases.
Do PréviCA or GPF Weather System have ads?
Neither PréviCA nor GPF Weather System shows ads.
Which is updated more often, PréviCA or GPF Weather System?
PréviCA ships an update every 2 months, and GPF Weather System every 11 days. Most recently, PréviCA was updated on October 17, 2026 and GPF Weather System on October 14, 2026.

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