BLACK JACK PROBABILITY vs H2GP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BLACK JACK PROBABILITY
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Count the number of cards in BLACK JACK. View results based on the Basics Strategy.
H2GP
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H2GP brings hydrogen racing to your phone. * Live Race: real‑time timing, car numbers, and country flags * Sprint Leaderboard: global results with teams, schools, and times * Events: upcoming, live, and past events with categories (Stock, Modified, Hybrid, Prototype, Sprint) * Sprint Dashboard: active teams, races completed, countries, next race * Media: featured videos and photos * Battery Calculator: class‑specific limits and guidance * H2 AI: quick answers to H2GP rules (Stock/Modified/Hybrid/Prototype) Designed for students, teachers, teams, and fans of clean‑energy racing. What’s New: * Improved Sprint leaderboard design with flat flags * Live Race connection reliability and styled car numbers * Notifications setup and topic subscribe * H2 AI accuracy improvements and fallback * Sprint dashboard (Firebase) with “Next Race” date styling * Event category badges and layout fixes
Screenshots
Verdict
The clearest difference is update cadence: H2GP at weekly against BLACK JACK PROBABILITY's every 4 months. BLACK JACK PROBABILITY's advantage is iOS requirement (16.0 vs 18.5). On 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
BLACK JACK PROBABILITY ships an update every 4 months, H2GP weekly. The most recent releases landed on July 22, 2026 and September 10, 2026 respectively.
| Parameter | BLACK JACK PROBABILITY | H2GP |
|---|---|---|
| Price | — | Free — better |
| Update frequency | Every 4 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 — better | 18.5 |
| Further details — not scored | ||
| Size | 5 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | MIAOU, KK | KIEREN CURRY |
In-app purchases
BLACK JACK PROBABILITY
No in-app purchases
H2GP
No in-app purchases
Questions
Is BLACK JACK PROBABILITY free?
Is H2GP free?
Do BLACK JACK PROBABILITY or H2GP have ads?
Which is updated more often, BLACK JACK PROBABILITY or H2GP?
Other comparisons
