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Ask HN: You're building an app in 2016 – How would you let users login?

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Ask HN: You're building an app in 2016 – How would you let users login?

#1
1. Facebook Login (or other social logins)

2. Phone number with SMS code

3. Username/pass

4. Email/pass (Email will need to be verified)

Would like to hear people's opinions. Assuming the app doesn't absolutely need Facebook's social data, all the options seem viable with different pros/cons.

Re: Ask HN: You're building an app in 2016 – How would you let users login?

#2
I chose to do Facebook and email/password.

SMS costs a very tiny amount of money, and didn't offer any advantages (you can't get at the user's phone # on ios, so you cannot prefill, thus email had a similar level of friction from the user's perspective).

Re: Ask HN: You're building an app in 2016 – How would you let users login?

#3
I built a mobile web app, and I started out with just Facebook and Twitter login. However, I have some friends who are privacy conscious and they do not have social media. They would prefer to have a email/pass login option.

So that that is next on my list to add to this current project.

Re: Ask HN: You're building an app in 2016 – How would you let users login?

#5

5. Email a login link to the users verified email address. No need for a password.

This sounds like the least user-friendly option available and a real obstruction, especially if using the application on a mobile device.

Plus the whole thing becomes unsecure if users start forwarding the email to others without thinking of the implications.

Re: Ask HN: You're building an app in 2016 – How would you let users login?

#6
post #5

5. Email a login link to the users verified email address. No need for a password.

This sounds like the least user-friendly option available and a real obstruction, especially if using the application on a mobile device. Plus the whole thing becomes unsecure if users start forwarding the email to others without thinking of the implications.

> users start forwarding the email

What if the link is only good once? Problem solved.

Re: Ask HN: You're building an app in 2016 – How would you let users login?

#8

5. Email a login link to the users verified email address. No need for a password.

I have always felt like this method sounds good, but is just annoying to do. I want to login fast, usually with passwords that autofill from lastpass or similar app.

Maybe if the information on the site was sensitive it would be worth it, but this is too much for just any random app.

Re: Ask HN: You're building an app in 2016 – How would you let users login?

#9
post #2

I chose to do Facebook and email/password. SMS costs a very tiny amount of money, and didn't offer any advantages (you can't get at the user's phone # on ios, so you cannot prefill, thus email had a similar level of friction from the user's perspective).

I've seen some of the large websites in India offer OTP (one time password) login using SMS, which I personally have used many times. You enter your mobile no, get an OTP and login with that. Removes the hassle of remembering the password.

Re: Ask HN: You're building an app in 2016 – How would you let users login?

#10
post #3

I built a mobile web app, and I started out with just Facebook and Twitter login. However, I have some friends who are privacy conscious and they do not have social media. They would prefer to have a email/pass login option. So that that is next on my list to add to this current project.

Would you say that's a small percent of your user base? Most of my friends hate the idea of needing to login via Facebook, but it is truly the simplest for them - and I'm not sure if my friends are just disproportionately biased. I'm also not sure if I want to depend on a third party.
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