Twindle: Daily Math Puzzle
One row of operators, two rows of numbers, one target to hit with both.
Every day: One numbered twin-equation puzzle a day, the same for every player worldwide: pick the operators that make two rows of numbers both hit the target. New puzzle: Midnight UTC.
Play Twindle on the webTwindle on the App StoreTwindle on Google PlayFireshark Tech
Twindle is a daily arithmetic puzzle for iPhone, Android and the web. Two rows of five numbers sit one above the other with four empty slots between them, and you choose the plus, minus, times or divide signs that make both rows equal the same target. The operators are shared, so one answer has to work for two equations at once. There is one numbered daily puzzle for everyone, plus a 500-level campaign.
About Twindle: Daily Math Puzzle
The target sits in large type at the top of the screen, for example 10, with the two rows of numbers below it. Each row has four slots, and whatever operator you put in a slot applies to both rows in that position. Tap an operator chip at the bottom of the screen to fill the next empty slot, or drag a chip to any slot. When all four slots are filled the answer is checked by itself, and a solved row shows its total in green next to it. Undo takes back one move and Reset clears the board.
The home screen shows the day's puzzle as Daily with its number, your streak and the number of puzzles you have solved. Below it is the Campaign, 500 levels you can work through at your own pace. If you get stuck, a hint reveals one operator. After solving you can share a result grid that does not give the answer away. The daily puzzle changes at midnight UTC.
Twindle is made by Fan Wai Ho of Fireshark Tech in Hong Kong and came out in June 2026. It is free and needs no login. The Google Play version is marked as containing ads. The campaign can be played without an internet connection.
How to play Twindle: Daily Math Puzzle
- Open Twindle and press Play on the Daily puzzle.
- Read the target at the top and the two rows of numbers below it.
- Tap an operator chip to fill the next empty slot, or drag it to any slot; each slot's operator applies to both rows.
- When all four slots are filled your answer is checked; both rows must equal the target.
- Use Undo or Reset to try again, then share your result and come back the next day for a new number.
Screenshots
Tips
- Work on the row with the larger numbers first: it usually rules out more operator choices.
- Look at the last number in each row; if the target is close to it, the slots before it often cancel out with a plus and a minus.
- Check a guess against the second row before you fill the last slot; one row working is not enough.
- Save the hint for the slot you are least sure of, since it reveals one operator.
Questions
Is the Twindle daily the same for everyone?
Yes. There is one new daily puzzle every day, the same for all players worldwide.
When does the daily puzzle change?
At midnight UTC.
Is Twindle free?
Yes, and it needs no login. The Google Play version is marked as containing ads.
Can I play more than one puzzle a day?
Yes. Besides the daily there is a campaign of 500 levels.
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