Phone based cycle route creator thing

Try BikePlan. It's a really good which works both on phone and computer.

I really like Pocket Earth for route planning on mobile. It is quick and easy to add waypoints and drag them around. Also, maps are downloadable, so re-routing mid ride in a weak signal area is no problem. Has turn by turn directions.

But it doesn’t do elevation. I use RideWithGPS for that, but need to use website which is a bit tricky on the phone. 

OSM for Android gives you seven free map downloads (inc. whole countries) and has a reasonably good cycle route option in its direction plotting. As with others, I prefer to self-plot on Strava (on a big screen) then upload to OSM to follow - but the OSM option works OK if you need a new route on the move.

I use pc tools for the reasons set out above, and then download to my Garmin

best I’ve found are ridewithgps and bike route toaster.

Another one worth looking at, if you remain within the GB national grid, is OS Maps. I think it's good, but unfortunately GB only.

I went through a bunch of these last summer to try to find something for planning gravel rides. I wanted something to create routes out to 100miles plus that had manual plot capability as well as automated route following for simpler sections.

In the end, the two that I found with almost workable solutions to the small screen and big finger mobile problem were Plotaroute and ViewRanger.

Frankly they're still horrible to use compared to the best desktop sites and I would only consider using as a no other choice option.

I mainly use it for navigating unfamiliar urban areas, where it uses quiet roads and bits of cycle path I wouldn't necessarily know, but Cyclestreets works quite well (web and phone app).

I think there's also one called cycle hub. I once used it to plan a route to work. You can set it for quiet routes and such. Have a look - though I've not used it for a while.

Only one I've found that works on my phone is Strava's route builder through the web browser. It is awkward and some features don't work, but it is the only useable option I've found. For plotting routes on the computer I use ridewithgps, gpsies and strava. Unfortunately none of their mobile apps support route planning

I played with Viewranger several years ago, maybe I should take another look...

Oh, and for utility cycling I find the www.cyclestreets.net app very useful. Not really used it for planning recreational loop rides though. You can set via points in order before final destination so it is probably possible.

I think either Komoot or RideWithGPS would do what you're wanting; that said, I prefer to do route planning on the desktop versions because of touch interface idiosyncrasies as well as the bigger screen size. The routes you create sync automatically to the apps.

You can plot routes with Viewranger. It has a very idiosyncratic user interface, but the route-plotting on a tablet or phone is quite good once you've figured it out. 

I use plotaroute.com on my pc, very good for plotting routes and a very useful tool for replotting sections of the route without having to delete sections. Not used it much on my phone but it does support phone use