Create an irresistible free trial for your app

thinkvitamin.com: "Free trials are a super effective way of increasing sign-ups to your service, but to reap the rewards later it’s worth following these four tips for your campaign... So what is this success formula I’m talking about? We’ve narrowed it down to four simple rules for how a free trial of an online service should work. Let’s go through them one by one."

1. Signing up for a trial account should be easy and painless
2. Do not require trial users to enter their credit card information
3. Do not cripple the trial
4. Include a "highlight bonus"

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