I'm currently a user of http://hn.premii.com, I'd make the switch to your app if you can get the 'yesterday's best' page, and an option to have readability mode on by default.
Very promising though, out of interest how long have you spent on the project?
Akepa designer here. Thanks a lot! We did put in quite some effort to ensure the 1.0 is polished enough to give the best reading experience that we wanted to deliver - it seems that we are able to put smile on some faces, which is pretty awesome!
Thanks for the suggestion - we will put the 'yesterday's best' page in the feature request list for prioritisation (I can assure you there are tons of interesting features planned for the next few releases). As for readability mode by default, sure thing! That's something we wanted to do but we decided to leave it out from our MVP, so yeah, upcoming release should have it.
We are a team of 5, and we roughly spent about 4 months for project planning, design and development.
Don't hesitate to let us know if you have some idea how we can further improve the HN experience :)