What you have done is impressive, no doubt about it.
A lot of us here, including myself already use and are familiar with Litchi.
So I will be that guy, what does this offer that Litchi does not?
Your interface looks slick and clean.
I like the course lock and home lock there, litchi doesn't have that.
Litchi does have the magic leash, vr and tracking possibly coming.
I am just trying to see if it is worth it for the litchi users to explore this software.
Thanks!
Each app has it pluses over the other. My app has nearly all camera settings, histogram, battery reports, etc where Litchi has you use the GO app to set many setting. But beyond those my app includes specialty waypoint types. For instance, you can fly a waypoint orbit with Litchi but you must draw it and if you want to increase the radius you delete the waypoints and start again. My app has a single waypoint with the same configurations as Orbit bit since it's a single waypoint the orbit is calculated and changing settings is a 1-touch edit, the app does the calculations at runtime. Same for panorama waypoint; it's a single waypoint (to the user's point of view) and the app calculates and creates additional waypoints as needed, Litchi has a way to add panorama operations to a waypoint but it is a flat panorama, UF can to flat, vertical or spherical waypoints. I'm looking at other specialty waypoint types for single-touch operations but I can't say what they are at this time.
Litchi does have a leash and VR and I've seen tracking for the iOS/P3 and I also plan to add tracking but maybe only for the P4. The problem with tracking the way it's been done is that it takes a moderately powerful CPU to process and there is lag because the Android processes the track, sending commands to the aircraft, the P4 includes in into the firmware so it's much faster and much more reliable (once properly tuned). VR might come to UF but I haven't decided, it's rarely asked for. A leash-like feature is likely but no schedule currently (I'm collecting research to see what people would like next), I've found leash to be limited and more of a "nice to have" vs a "got to have", not saying I won't add it in the future but it might be after some more asked for features.
UF has flight walls and personal flight limit settings for those who want to keep themselves within a restricted area and away from obstacles, Litchi has neither as I have seen.
Selfie, with Litchi you can create one using waypoint missions but as other specialty flight operations when you use UF you configure selfie and the app does the calculations.
My app has KML and KMZ files. KML file support with Litchi is only on the website and KMZ isn't supported by Litchi. KMZ however is a feature depending on your use. KMZ allows you to load a map overlay, used by surveyors and environmental study people but is very valuable of you hike into a location. Cached maps are problematic as Google controls when the cache expires and if it expires while you happen to be at a location without internet coverage then you have no flight.
If you would like to add your opinions on futures to UF please feel free to use the survey I have for planning:
New Survey. All input, even future users is welcome.
Docs include many screen shots, you can tell a fair bit from them:
http://djiultimateflight.com/V3_documentation.php
Honestly, I think a lot of people own both and use the one best suited for the operation they are performing now and both are growing and adding features constantly. I don't feel either is bad but each has their areas they are better than the other and if you want to have the full set of tools at your disposal, you may want to have both.
Litchi is a bit more cost and has a number of in-app purchases, UF is $20 and 1 single in-app purchase for the KMZ file support because it was a larger development time and I want to recover some costs of doing it but for the most part I don't use in-app purchases so over time you might find UF slightly more cost effective, but still, IMO you should have both.
One final note: Litchi had both Android and iOS, I am not planning to have an iOS version (mainly resources, I am a single developer, Litchi has more resources).
Hope this helps but feel free to ask more,
Ken