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12andUs has been calculating astrological charts since 2015. Today around 74,000 members use it to read their own birth chart, to compare it with the people in their lives, and to follow what the sky is doing in relation to it.
You start by entering a birth date, time and place. From there the site builds your natal chart and explains it in plain language: planets, houses, aspects, and the character traits that come out of them. You can save birth data for partners, friends, family and children, and compare any two charts through synastry and composite analysis, which is where most of our members spend their time. Relationship forecasts, daily and monthly horoscopes, transits, solar and lunar returns, progressions, astrocartography and a library of more specialised reports are all built from the same chart.
There is also a database of more than 70,000 public figures, so you can see how your own chart sits beside someone whose life you already know.
You can ask questions in your own words, too. Our AI astrologer answers from your actual chart rather than from a generic sun sign, in any of the sixteen languages the site speaks: English, Italian, Spanish, French, German, Brazilian Portuguese, Russian, Turkish, Arabic, Persian, Hindi, Indonesian, Japanese, Serbian, Thai and Chinese.
Most of 12andUs is free to use. A Premium membership lifts the limits, and detailed PDF reports can be bought individually without a subscription.
Birth data is about as personal as information gets, and we treat it that way. Our analytics run on our own servers in Germany, and we carry no advertising or tracking code from any ad network.
Our promise to you
Written by the company
Try it before you pay
Your birth chart, your character traits, a daily forecast and a personalised daily video are all free, as is relationship analysis for any two people: synastry, composite charts, areas of mutual attraction and relationship forecasts. Transits, solar and lunar returns, progressions, astrocartography and more than 70,000 celebrity charts are there too. You can ask our AI astrologer any question in sixteen languages. Without Premium you get twelve full reports every 24 hours. Premium removes the limit, and PDF reports can be bought one at a time with no subscription.
Your birth data stays yours
We never sell it or pass it to advertisers. Our analytics run on our own servers in Germany, and the site carries no ad-network tracking code.
A person answers your support message
Write to us and you get a reply, usually within a day. Nearly nine in ten messages over the last six months were answered within 24 hours.
Free for as long as you like
Twelve reports a day, no card needed
You never have to pay to use 12andUs. Every account gets twelve astrological reports every 24 hours, for as long as you want them, with no card and no expiry date. Premium removes the daily limit, and PDF reports can be bought one at a time.
Companies on Trustpilot aren't allowed to offer incentives or pay to hide reviews. Reviews are the opinions of individual users and not of Trustpilot. Read more
I bought one of the PDF reports and it was very massive: it took me hours to read all. Too much massive? It's better have too much than one of those tiny reports that basically says nothing...
October 7, 2026
Reply from 12andus
Thank you, the report is actually built as a reference rather than something to finish in one sitting: it's divided into sections so you can read the part that matters now and come back to the rest when a question or a transit brings you there. Better you reopen it months later than finish it in ten minutes and never look again
The AI astrologer surprised me. I asked something pretty specific about work and it connected parts of my chart I would never have put together myself.
October 6, 2026
Reply from 12andus
Thank you. That's the part we most hoped would work: a specific question is what makes it pick out which parts of a chart actually bear on the matter, rather than describing the chart in general. Those connections are usually what an astrologer spends an hour arriving at. If you want to push it further, follow-up questions stay in the same conversation, so it keeps hold of what you've already told it.
Been checking the daily horoscope for a few weeks. Some days are spot on, other days not so much, but I like that it's based on my real chart and transits.
October 5, 2026
Reply from 12andus
Thanks for writing this, and for being straight about the misses as well as the hits. We'd be wary of anyone claiming every day lands. The chart and the transits behind it are calculated exactly; what a given transit means in your particular life is an interpretation, and some will fit you better than others. Good to know the days that do land are worth the ones that don't.
One thing I really appreciate is that the AI astrologer doesn't answer like my Sun sign is my entire personality. It looks at the whole chart, which should be normal in astrology but honestly isn't on a lot of sites.
September 28, 2026
Reply from 12andus
Thank you, that's good to hear. The whole chart is what makes an answer yours rather than one twelfth of the population's, so it isn't something we'd want to build any other way. It reads each planet by its sign and its house together, then the aspects between them, taking the sign and house of both ends of every aspect into account. That granular combination is why two people sharing a Sun sign get genuinely different answers.
At first I was honestly lost. Synastry, composite, transits, pair traits ... too many options when you don't know astrology that well. After a while though it starts making sense.
September 15, 2026
Reply from 12andus
Thank you, and the criticism is fair. Synastry, composite, pair traits: those names mean something to an astrologer and very little to anyone else, and the fact that it only clicked after a while means the work of finding your way was left to you rather than done for you. Simplifying how it's all presented is something we're working on, so a first visit points somewhere useful instead of offering everything at once. Glad you stayed long enough for it to come together.
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