Formula Predict vs GridCall
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Formula Predict
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Create a league, invite your friends and find out who really knows their Formula 1. Every race weekend, make your picks before predictions lock at race start no changing your mind once the action begins. Points are awarded, standings are updated and by the end of the season someone will have proven they know this sport better than everyone else. That someone might as well be you.
GridCall
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GridCall is an unofficial prediction league app for Formula 1 and motorsport fans. Create a private league, invite your friends, make your race weekend predictions, and compete throughout the season. Submit your picks before lock time, follow race results, track league standings, and see who really knows the grid. Features: • Create private leagues and join with invite codes • Submit race and sprint weekend predictions • Answer joker questions for extra scoring opportunities • Track league standings and weekly results • View race results and season progress • Set race reminder notifications • Manage your profile, stats, badges, and account deletion request GridCall Premium: GridCall Premium is an optional subscription that unlocks premium features such as [premium feature 1], [premium feature 2], and [premium feature 3]. Subscription details: • Title: GridCall Premium • Duration: [Monthly / Yearly] • Price: The price is shown in the app before purchase and may vary by country or region. • Payment will be charged to your Apple ID account at confirmation of purchase. • The subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. • You can manage or cancel your subscription in your App Store account settings. • Any unused portion of a free trial, if offered, will be forfeited when you purchase a subscription. GridCall is designed for friendly competition and entertainment only. There is no betting, gambling, real-money wagering, paid contest entry, or cash prize system. Legal: Privacy Policy: https://absorbing-muenster-0a7.notion.site/GridCall-Privacy-Policy-0092d80b8b344f19a917891dbc61bf9a Terms of Use: https://absorbing-muenster-0a7.notion.site/GridCall-Terms-of-Use-c03dc22dd514406db030141cfbd6b0a0 Support: https://gridcall.app/support GridCall is an independent, unofficial, fan-made app. It is not affiliated with, endorsed by, sponsored by, or associated with Formula 1, F1, the FIA, Formula One Management, any racing team, driver, or sponsor. All trademarks are the property of their respective owners. Race timing, results, and statistics are sourced from publicly available third-party data feeds.
Screenshots
Verdict
The clearest difference is in-app purchases: Formula Predict at none against GridCall's 2. Formula Predict also leads on ads (none vs shown). GridCall's advantage is iOS requirement (13.0 vs 18.6). On price, update cadence 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. GridCall sells 2 in-app purchases, starting at $3.99 per month. Formula Predict asks for nothing beyond the download.
Formula Predict ships an update every 6 days, GridCall weekly. The most recent releases landed on September 30, 2026 and October 22, 2026 respectively.
| Parameter | Formula Predict | GridCall |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 days — better | Weekly |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 30 MB | 79 MB |
| Age rating | 12+ | 12+ |
| Developer | Johannes Mattheus Van Kempen | Bilgehan Tekin |
In-app purchases
Formula Predict
No in-app purchases
GridCall
- GridCall Premium Monthly$3.991 Month
- GridCall Premium Yearly$29.991 Year








