LottoBook

LottoBook

Real odds, real draw history

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Free

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Released
August 22, 2026
Updated
October 13, 2026

Features

LottoBook screenshot #1 for iPhone
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About

LottoBook is a reference for people who play the lottery and would rather know what they are buying. It does not sell tickets, take a wager, or pay anything out. It has no system, no lucky numbers, and nothing to sell you about your chances. What it has is the draw history, the exact odds, and the one figure almost nobody publishes: what a ticket is actually worth tonight. WORTH PLAYING Every drawing ranked by what a ticket actually returns, after split risk and after tax. Every one of them returns less than it costs. That is the nature of the game, not a bad night, and the app says so plainly. What genuinely changes from draw to draw is how much less, and a rollover can be worth three times what an ordinary draw is. THE NUMBERS Frequency for every ball, over 946,528 real draws across 88 games. The grid is built to show you that frequency means nothing: a fair game renders as a wall of identical cells, because that is what fairness looks like. Counts are scoped to the game's current rules by default. Powerball has been seven different games since 1992, and an all-time chart mixes in draws from a smaller drum where the higher balls never had a chance to appear. PICK NUMBERS Five ways to choose, and the app tells you which of them do anything. Four do not, and say so on the card. The one that does is Least Shared, and it does not improve your odds either: it avoids the numbers people pick by hand, so a win is less likely to be split with somebody else. That is a real effect and a modest one, and the app reports the small true number rather than a flattering one. CHECK A LINE Check any saved line against any past draw. For California games it reports the real pari-mutuel amount paid at that tier on that specific draw, which is not the figure on the national prize chart. On one recent draw the chart promised $1,000,000 for matching five; California paid $125,670. For states that publish results but not payouts, it reports the tier and no dollar figure, rather than filling the blank from the wrong table. TWENTY-ONE JURISDICTIONS California, New York, Texas, Florida, Massachusetts, Michigan, Pennsylvania, Colorado, Washington, North Carolina, Louisiana, Virginia, Maryland, Connecticut, Delaware, Vermont, New Hampshire, Maine, Nebraska, Missouri and the District of Columbia. Every matrix is derived from a state's own published history and checked against it, rather than copied off a marketing page. WORKS OFFLINE The full draw archive ships with the app. LottoBook Full is a one-time unlock, not a subscription. It adds every state's numbers and picks, tonight's value against the game's own history, the pick modes that read that history, the ticket checker, unlimited saved lines and the other three counting windows. Your own state's rankings, the number grid and quick picks stay free. LottoBook cannot improve your chances of winning, and does not claim to. Every combination has exactly the same chance. If you play anyway, this tells you what you are actually buying.
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What's New in LottoBook

1.1.1

October 13, 2026

Fixes for places where the app could say something was fine when it was not, or leave you stuck. - A jackpot from a draw already held is now dated and marked out of date, instead of reading "Tonight". - A line the phone could not store no longer shows as Saved. The line stays on screen so you can try again. - A damaged backup file is refused with a reason, rather than restored in part. - Picked lines stay with the game they were picked for when you look at another state or change a custom matrix. - Checking for new draws now reports jackpot changes, and names any game the lottery's feed did not answer for. - All or Nothing: matching none of the twelve is no longer reported as "No prize". It is that game's top prize. - Draw history that fails to load now says so and offers a retry, instead of loading forever. - Restore no longer waits forever when the App Store does not answer. - Saved lines and the custom matrix stay available when your home state sells no lottery. - Changing your home state asks the age question again where the age is higher. - At 200 saved lines the app says so, rather than dropping the oldest. Also: jackpot alerts are offered on a scale each game can reach, and Connecticut's draws are current again.

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