A single card can answer a yes-or-no question, as long as you decide the rules before you draw rather than after.
Set the reading method before the card is face up. Decide what counts as yes, what counts as no, and what counts as not yet — then draw. Reading a card and then deciding how to interpret it means you will interpret it into whatever you already wanted, and the draw was decoration.
The bright, forward-moving cards: The Sun, The Star, The World, The Chariot, Aces, Six of Wands, Nine and Ten of Cups, Three of Cups, Ace of Pentacles. These carry momentum, arrival or completion, and they answer yes without much argument.
The blocking and unwinding cards: The Tower, Three of Swords, Ten of Swords, Five of Pentacles, Five of Cups, Eight of Swords, Four of Cups, Seven of Swords. Some are painful and some are simply closed, but none of them are a yes.
The pause cards: The Hanged Man, Two of Swords, Four of Swords, Seven of Pentacles, The Moon, The High Priestess. These are the tarot equivalent of “ask again later” — the situation has not resolved far enough to answer, and forcing it into a yes or a no throws away the actual message.
Both are random. The difference is bandwidth. The ball hands you a verdict in three words and gets out of the way, which is exactly right for small questions. A card hands you an image, a set of keywords and a direction, which is better when the question is really “what am I not seeing here?” dressed up as a yes-or-no.
If your question genuinely only needs a verdict, use the ball on the home page. If it needs a paragraph, draw a card at Single Tarot — all 78 cards, with upright meanings for love, money and career.
Closed questions get clean answers. “Should I take the offer?” works. “What should I do about work?” does not — there is no yes-shaped answer to it, and the card will read as ambiguous no matter which one turns up. Name one action, one timeframe, one person.
Ask the ball → Free, instant, no sign-up. 27 answers, one shake.It can, if you fix the interpretation rules before drawing: which cards count as yes, which as no, and which as not yet. Deciding afterwards means reading the card to match the answer you already wanted.
The forward-moving ones — The Sun, The Star, The World, The Chariot, the Aces, Six of Wands, Nine and Ten of Cups. They carry momentum, arrival or completion.
The blocking ones — The Tower, Three and Ten of Swords, Five of Pentacles, Five of Cups, Eight of Swords, Four of Cups, Seven of Swords.
Mechanically yes, both draw at random. A card gives you an image and a direction rather than a three-word verdict, so it suits questions that are really asking what you are missing.