[curiously]

Crowdflower is expensive. The contributors are filled with bad contributors (even after turning off the partner networks individually (accuracy of 97%) to justify the 20~30% mark up in fees when you could just use Mechanical Turk.

The fact that you can't just fund your account and use the amount from it. If you want to launch several jobs, you need to cover for the overrun fee which is very annoying if you need to test many tasks and you can't afford to wait 30min~1hr until the funds become available to you again.

All in all, I found Crowdflower was just a very expensive and time consuming overhead and the benefit was far too marginal to be worth the cost.

I'd say avoid all these "platforms" they are nothing more than a complicated form generator which you could simply use a 3rd party tool to do that for you.

[avemuri]

You may want to take a look at SquadRun. Based out of India, much cheaper. https://squadrun.co/business/

Full disclosure: the founder is a friend.

[curiously]

do you have an email address I can reach your friend by?

[avemuri]

apurv [at] squadrun.co

[je42]

Actually, for people in europe CrowdFlower seems to be the only option since Mechanical Turk is not available in Europe.