Comparison

パチスロ確率シミュレータ vs 1/2 one

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

Head to head
About

パチスロ確率シミュレータ

Features
Read full description

パチスロ確率シミュレータアプリは、自分で確率値を設定し、何回引いた時に当たるかをシミュレートするアプリになります。 1/100であたりが出るはずなのに、1000回以上引いてしまう方等、普段運がない方はお試しください。 使用方法は、単純です。 確率値テキストボックスに、100と設定すれば1/100、500と設定すれば1/500で確率値を設定できます。 テキストボックスに値を設定したら、後は真ん中のコインボタンを押下するだけです。 長押しすることで連続して引くことができます。 当たったは、音とバイブレーションで当たりを知らせてくれます。 アプリをインストールしてお試しください。

About

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.

Highlights
  • 50/50 guessing mechanic
  • Consecutive correct answer tracking
  • Single redo per streak
  • Probability display
  • Simple L/R choices
Features
Read full description

Keep picking 1/2 and chase the odds that almost never happen! A simple game: how many times in a row can you call a 50/50 correctly? ■ How to play ・Pick one of two: "L" or "R" ・On a hit, the probability of your streak so far is shown (1/2 → 1/4 → 1/8 …) ・On a miss, the streak goes into RECORDS and you start over ・Once per streak you can watch an ad to redo your choice (the answer is drawn again). Redo can be switched ON / OFF ■ Records ・RECORDS: how many times you reached each streak, and your total runs ・HISTORY: the winning side of your last 13 picks ■ Version 2.0.0 (complete remake) ・Rebuilt from the ground up with a new design ・Added hit / miss effects and haptic feedback ・After a miss, your last streak stays readable ・Redo is only offered when an ad is ready ・Supports iPad and larger text sizes ・Your existing records carry over This app shows ads (banner, interstitial and rewarded). Terms of Use: https://www.gravass.co.jp/apps/terms/ Privacy Policy: https://www.gravass.co.jp/apps/privacy/

Screenshots

パチスロ確率シミュレータ3 screens
1/2 one4 screens

Verdict

The call

The clearest difference is update cadence: パチスロ確率シミュレータ at every 4 days against 1/2 one's every 2 months. 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

パチスロ確率シミュレータ ships an update every 4 days, 1/2 one every 2 months. The most recent releases landed on October 5, 2026 and October 2, 2026 respectively.

Scorecard1 real difference · 7 level
パチスロ確率シミュレータ versus 1/2 one: the parameters behind the verdict, then further details
Parameterパチスロ確率シミュレータ1/2 one
PriceFreeFree
Positive reviews—50.0% of reviews
Update frequencyEvery 4 days — betterEvery 2 months
AdsYesYes
In-app purchasesNoNo
Monetization—Ad-supported
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.1 — better16.4
Further details — not scored
Size22 MB49 MB
Age rating4+9+
DeveloperYUSUKE KAJIWARAgravass, Inc.

In-app purchases

None

パチスロ確率シミュレータ

No in-app purchases

None

1/2 one

No in-app purchases

Questions

Is パチスロ確率シミュレータ free?
パチスロ確率シミュレータ is free to download, with no in-app purchases.
Is 1/2 one free?
1/2 one is free to download, with no in-app purchases.
Do パチスロ確率シミュレータ or 1/2 one have ads?
Both パチスロ確率シミュレータ and 1/2 one show ads.
Which is updated more often, パチスロ確率シミュレータ or 1/2 one?
パチスロ確率シミュレータ ships an update every 4 days, and 1/2 one every 2 months. Most recently, パチスロ確率シミュレータ was updated on October 5, 2026 and 1/2 one on October 2, 2026.

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