What it actually does
Prospero helps you put together a professional proposal and send your client a link, rather than another PDF attachment. Start with a template, add your branding, services and prices, then save the sections you use regularly so you do not have to write them again next time. Your client can choose a package, sign online and pay through a connected service such as Stripe. You can see when they open the proposal and how long they spend looking at it, which takes some of the guesswork out of following up. It runs in your web browser, and clients can view and sign on a computer, tablet or phone. Paid plans start at US$19/month for one user and include unlimited proposals, with higher pricing for teams. You can try it free for 14 days without a credit card. Worth a look if you want polished proposals, reusable content and online signing without paying for a bigger sales system you will barely use.
Best for
Freelancers, consultants, agencies and small service businesses that regularly send proposals or quotes. A good fit if you keep rebuilding the same documents, chasing signatures or wondering whether a client has even opened your proposal.
What it does well
Build branded proposals from ready-made templates, then save your own sections to reuse next time.
Let clients choose services or packages, sign online and pay through a connected service.
Track when someone opens a proposal and how long they view it, with email notifications to help you time your follow-up.
Send unlimited proposals without rebuilding every document from scratch.
Set expiry dates and automate reminders to keep proposals moving.
Watch-outs
The starting price covers one user, so check the team price before adding staff.
The free trial lasts 14 days; budget for a paid subscription after that.
Payment collection needs a connected payment service such as Stripe, so check that service's fees separately.
Treat Prospero as your proposal tool, not a replacement for accounting or managing client work.
Live chat support runs Monday to Friday, 9 am to 5 pm GMT+2, which may not line up with your working day in Australia.
How it earns its place
We moved from Better Proposals to Prospero because we could automate getting the proposal PDF through Zapier. That means fewer manual steps to save a copy in the right place, rather than downloading and filing it ourselves.
We also love being able to add optional services and use different pricing types, including fixed fees and retainers, so each proposal reflects how we actually work and gives clients a choice. Good-looking proposals matter, but less admin and more flexible pricing are what earned Prospero its place in our business.
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