Quantum Cube Timer vs Fermi Poker
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Quantum Cube Timer
This cloud-based timer helps speed cubers track progress and analyze performance across devices. It offers an intuitive interface for effortless time tracking and personal record breaking, whether for competition or practice.
- Cloud-based time syncing
- Cross-device compatibility
- Intuitive interface
- Performance analysis
- Personal record tracking
- Effortless progress tracking
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Elevate your cubing experience with Quantum Cube—the ultimate cloud-based timer that syncs your times seamlessly across all your devices. Designed for speed cubers of all levels, Quantum Cube features an intuitive and simple interface that lets you track your progress effortlessly. Analyze your performance, break your personal records, and train smarter whether you’re competing or honing your skills. Experience the future of cubing with a timer that keeps you connected and ahead of the game.
Fermi Poker
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How many dentists work in the United States? Hard to know exactly, but everyone can make a more or less informed guess. You answer with a range, not a single number. Then the round plays out like a poker hand: fold if you don't trust your guess, raise if you do, and try to work out whether the confident player across the table actually knows something. The winner is whoever has the narrowest range that still contains the actual answer. A wide range almost always contains the answer, but a tighter range that also contains it beats you. Go narrow and you beat the whole table... as long as the answer doesn't land outside your range. After a few rounds you notice how often you were completely sure and yet wrong. That is part of the game and makes you understand the limitations of your knowledge. WAYS TO PLAY - Live games against real people - Tournaments and a weekly leaderboard - AI Arena, solo practice against bots - Private rooms for friends, with invite links and QR codes - Voice chat and emotes at the table - Seasonal events with special question decks QUESTIONS BY PLAYERS There is a community library of question sets: movie numbers, geography, football, space, anything countable. See what other people are playing this week, or write your own set and share it. GETTING BETTER - A short survey that shows how your sense of "probably" compares to other players - A prediction book where you write down forecasts and watch your calibration curve build over time - Stats on whether the things you were 90 percent sure about were actually right 90 percent of the time FREE TO PLAY Coins are play money. You earn them by playing and they never cost real money. Gems will only let you buy cosmetics like emotes and avatars. Nothing you can buy makes your guesses better. Good with friends who like to argue about numbers.
Screenshots
Verdict
The clearest difference is update cadence: Fermi Poker at weekly against Quantum Cube Timer's every 6 weeks. Quantum Cube Timer's advantage is iOS requirement (12.0 vs 16.4). 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.
Quantum Cube Timer ships an update every 6 weeks, Fermi Poker weekly. The most recent releases landed on September 27, 2026 and September 30, 2026 respectively.
| Parameter | Quantum Cube Timer | Fermi Poker |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (6 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 6 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 51 MB | 84 MB |
| Age rating | 4+ | 12+ |
| Developer | Quantum Cube LLC | Daniel Fetz |
In-app purchases
Quantum Cube Timer
No in-app purchases
Fermi Poker
No in-app purchases









