1/2 one vs 1/8192
Price, ratings, monetisation and update history for both games, side by side â with what reviewers say about each.
1/2 one
Test your luck and strategy in this simple guessing game. Aim for consecutive correct answers with a 50/50 chance, and track your progress. You get one chance to redo a selection per streak.
- 50/50 guessing mechanic
- Consecutive correct answer tracking
- Single redo per streak
- Probability display
- Simple L/R choices
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This is a game where you challenge yourself to see how many times in a row you can guess the correct answer with a probability of 1/2. Please choose one from the two options "L" and "R". If you answer correctly, the probability of consecutive correct answers at that point will be displayed. You can redo your selection only once during a series of correct answers. *If you try again, the correct answer choices will be drawn again. We plan to continue updating and adding features in the future.
1/8192
Test your luck in a game of chance where you must pass through randomly assigned gates. Succeed 13 times in a row to reach the ultimate goal. The game's duration is determined solely by your luck.
- Randomly assigned win/lose gates
- Progress through stages by choosing gates
- Return to stage one on a wrong choice
- Achieve Nirvana by succeeding 13 times
- Luck-based progression
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Playtime 1 min to infinity: It's all up to your luck Basic Gameplay Each stage has a blue and a green gate. The gates are randomly set as "win" or "lose" each time. Players progress based on the gate they choose. Winning gate: Proceed to the next stage Losing gate: Return to the first stage Achieve Nirvana by succeeding at a 50/50 chance 13 times in a row.
Screenshots
Verdict
The clearest difference is price: 1/2 one at Free against 1/8192's $1.99. 1/2 one also leads on review sentiment (50% vs 27%). 1/8192's advantage is ads (none vs shown) and update cadence (every 9 days vs every 6 weeks). On in-app purchases, device support and iOS requirement 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
1/2 one is free to download; 1/8192 costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
1/2 one ships an update every 6 weeks, 1/8192 every 9 days. The most recent releases landed on June 1, 2026 and September 23, 2026 respectively.
| Parameter | 1/2 one | 1/8192 |
|---|---|---|
| Price | Free â better | $1.99 |
| Positive reviews | 50.0% of reviews â better | 27.5% of reviews |
| Update frequency | Every 6 weeks | Every 9 days â better |
| Ads | Yes | No â better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free â better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 â better | 15.0 |
| Further details â not scored | ||
| Size | 63 MB | 1.1 GB |
| Age rating | 9+ | 9+ |
| Developer | GRAVASS, INC. | Yoshifumi Uzawa |
Customer experience
1/2 one
1/8192
Bugs and requests
1/2 one
Not enough reviews yet to summarise bugs or requests.
1/8192
Reported bugs
7 issues- Achievements not saving
- App crashes on launch
- App opens to a black screen
- Game data is lost
- Controls reset after passing through gates
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- Camera shifts unexpectedly after passing gates
- Achievement progress resets
Requested features
5 requests- Fix app launch issues on iOS 26
- Improve control responsiveness
- Fix camera movement issues
- Save game progress reliably
- Add confirmation for score reset
In-app purchases
1/2 one
No in-app purchases
1/8192
No in-app purchases
