What's causing this forced switch? I can only assume it's the end of your 60 day trial period. And since you'd be on the $100 plan, that means you have 11-25 users. It's kind of shocking to me that you're not willing to pay the $4-9 per user that the tool would cost you. Surely you're getting at least that value out of the tool.
Keep an eye on the very embryonic Fulcrum project: <a href="https://github.com/malclocke/fulcrum" rel="nofollow">https://github.com/malclocke/fulcrum</a>