I used the free version for years, but only in really simple ways. (For example, I
think I could have saved charts to the phone, but I never did, so also I never did two-wheel work, but I think I could have). Some of the things I mention below might have been available in the free version and I never noticed (but it costs nothing to find out). I'm going to use this post to outline some of the useful things you can do with the paid version (some of which also work in the free version).
Calculate & Save a chart. Press and hold on the date items (in the date bar) and use up and down gestures on the screen to move these forward or backward. You can swipe left-right to change the column you are setting. (This is WAY harder to explain than to do, you'll catch on fast.) Set the date and time you want. Then, for the place, tap
Menu > Time & Place > Search a City. It will be obvious how to step down to your location. -- To save the chart, tap
Menu > Time & Place > Save which will give you a chance to name and save it. (There is also an
Open option on that menu for opening the saved item later.) - I have saved separate charts for Marion and me and natally and locally (the latter with
(LA) at the end of the name.)
Work with two different charts. Tap the wheel icon and pick
Chart 1. Open the saved chart you want first. Then tap the wheel icon again and pick
Chart 2. Open the second chart you want. (On
Menu > Time & Place,, instead of Open you can also pick
Present Time.) You can then flip back and forth (using the Wheel icon) or pick
Wheel > Dual Chart to see them in a two-ring chart. (The text is tiny but you can pinch-zoom or use the data tables at the bottom.) - Rotate the phone to landscape orientation to see a slightly better view of the two-ring chart. -- See the menus for other things, e.g., the Wheel menu has a
Composite option. The aspectarian table now shows aspects between the two charts (you may have to switch to a different preferred aspect set.) Etc.
Predictive work including solar and lunar returns. Pull up the natal chart you want as Chart 1 then
switch to Chart 2 (
Wheel > Chart 2). (It's easier if you have the natal saved for the desired location, but you can change location during the process.) Double tap anywhere on the date bar (this is counter-intuitive but it's how it works) and, on the new menu, pick
Derived Chart. (For transits, you can just pick
Present Time.) Under
Derived Chart you can pick Directions (many kinds including solar arcs), Progressions (many kinds; under
Progression Settings, "Fast Houses" means quotidians!), and returns. This is where it gets juicy!
Solar and lunar returns. Follow the steps immediately above. On the
Derived Chart menu, pick
Return Settings. Pick what you want: solar or lunar, lunar phase if you want to test the hard to calculate Synodic Lunar Return), or Planetary Return. The
Planetary Return option is where you can calculate demi-lunars: It lets you set Natal Point (pick Moon), Transiting Point (pick Moon), and Harmonic (pick 2). [You can also do Danica's favored solilunar and lunisolar charts here by switching around natal and transiting planets.] After get these settings right, back out one step (press < in upper left) and tap
Return. It will calculate the
current chart you have picked. It will also give you plus (+) and minus (-) icons to move forward and backward through these charts!
For example, here is my May 17 Demi-SLR just for home. In the upper left see the indicatiosn that tell you it is a demi-lunar.
Demi-SLR.png
I can tap
Wheel > Dual Chart and get a two-wheel version of this. It's hard to read and, unfortunately, will only put Chart 2 planets around Chart 1 angles (so I suppose I should start with the natal as Chart 2?). But you have options.
How about Hindu planetary periods with which we've been experimenting? This is the ONLY astrology software I've seen anywhere (except my own spreadsheet) that gives Hindu periods and subperiods the way Donald Bradley thought they should be investigated. Pull up your chart. Tap the
Table icon near upper left and then
Planetary Periods. Tap the big gray button and set the Year (near the bottom) to
360 days and select
Vimshottari Dasha. You'll immediately get a lifetime of your
major periods. Tap any of them to get the dates of the subperiods. - I've tested this, the calculation is exactly right. - We don't know that this method works, but it has some promising examples. This app will let more people test that possibility.
There is more. You can wander around the menus and keep finding things. Want harmonic charts? They're here (under Zodiac). More trans-Neptunian planets than you ever knew you would want, including Eris, Quaora, Makemake, and Haumea? Just add them (TNPs are under Asteroids).
Oh, and something utterly worthless now but very very cool: You can look at a chart as viewed from another planet!
Menu > Zodiac > System Center lets you move between Geocentric, Heliocentric, Mercury-centric, Venus-centric, all the way out to Saturn-centric. (Remember to remove Earth's Moon from the displayed planets.) How else could I know that at the moment of my birth on the planet Mercury, Sun was in Cancer exactly square Saturn; on Venus, I'm still a Virgo but with a whole new set of aspects; on Mars I'd be a Leo; and so forth. (The Jupiter-centric chart is fascinating!) - All for fun, but you can learn some things about how things change when you shift planet centers.
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