Dropbox Sign vs Prospero
We give Dropbox Sign a 2.0 GPA and Prospero a 2.4, out of 4.0. Prospero grades higher on value for money. They get the same grade on the free plan, features, ease of use and platforms.
Price, platforms and features side by side. The table says where each price was read and when.
Dropbox Sign
E-signature app from Dropbox with unlimited requests on paid plans
Prospero
Proposal software with templates, tracking and built-in e-signatures
How we grade them
| 2.0GPADropbox SignFair | 2.4GPAProsperoFair | |
|---|---|---|
| Value for money | D$75 a month for three on Standard, billed yearly ($25 a head, $30 monthly). That's this category's dearest tenth. To be fair, requests are unlimited with no overage fees, so a busy month never costs more. One person alone pays $15 on Essentials. | B$36 a month for three, at $12 a head billed yearly ($19 monthly), for unlimited proposals on its one plan. Against its own rivals that's cheap: Better Proposals Premium is $21 a head, and PandaDoc's pricing tables need Business at $49. |
| Free plan and trial | CA free plan for one sender and 3 signature requests a month. Fine for the odd lease, nowhere near 20 contracts a month. There's also a 30-day free trial of the paid plans. | CNo free plan, but a 14-day free trial that needs no card, with the full set of proposal features. |
| Features | CUnlimited requests, templates and template links, field validation, signer attachments, reminders, and bulk send and branding on Standard. The gaps: Standard stops at 15 templates, and SMS authentication, SSO and Salesforce all need Premium, sold through sales. | CTemplates, variables, an interactive pricing module, AI writing, open and read tracking, reminders, expiry dates and passwords. It does the proposal job fully, but that's a smaller job than general signing: its feature list names two signers per proposal. |
| Ease of use | CNo store rating on record, so this rests on the listing. It's a web app where you drag fields onto each document and build your templates, so there's a bit of setting up. | CNo store rating on record. It's a web editor where the work is building the proposal itself, so expect some setting up, though the 100+ templates give you a head start. |
| Platforms and integrations | BWeb only, but it sends from Dropbox, Google Drive, Microsoft Word, HubSpot and Slack, and there's an API, priced separately from these plans. No phone or desktop app is listed. | BWeb only, with Stripe, QuickBooks, FreshBooks, Xero, Slack and Monday.com, and more through Zapier and Make. No phone or desktop app. |
| Best for | unlimited signature requests from a familiar name | cheap proposals for freelancers and small agencies |
The GPA is the average of the five grades: an A is 4 points, an F is none. The full reasons are on each tool's page: Dropbox Sign and Prospero. How we grade
Price against what you get
Dropbox Sign starts at $15 a month and scores 2.3 out of 4 on features, ease of use and platforms. Prospero starts at $12 a month for each person and scores 2.3.
They score the same, and Prospero starts $3 a month lower. Of the other e-signature and proposal tools on the chart, 6 score higher than Dropbox Sign for less, and 6 score higher than Prospero for less.
Features, ease of use and platforms, averaged
What paid plans start at, a month (each step along is roughly double) →
- The best score at each price
- Has a free plan
- No free plan
Where they differ
- Dropbox Sign starts at $15 per month, billed yearly ($20 billed monthly). Prospero starts at $12 per user / month, billed annually ($19 billed monthly).
- Dropbox Sign has a free plan. Prospero does not, though it has a free trial.
At a glance
| Dropbox Sign | Prospero | |
|---|---|---|
| Pricing | Free plan | Free trial |
| Starts at | $15 per month, billed yearly ($20 billed monthly) | $12 per user / month, billed annually ($19 billed monthly) |
| Free plan | One sender and up to 3 signature requests a month. | None |
| Free trial | 30-day free trial of the paid plans | 14-day free trial, no credit card required |
| Web | ||
| Made by | Dropbox | Prospero |
| Price read from | sign.dropbox.com | goprospero.com |
| Checked | Oct 17, 2026 | Oct 17, 2026 |
Who each one suits
Dropbox Sign
- Freelancers and small teams who send many agreements and want no per-envelope limit
- Dropbox users who keep their contracts in Dropbox already
- Anyone who signs only now and then: 3 requests a month are free
Prospero
- Freelancers and small agencies sending design-led proposals
- Teams that want to know when a client has read a proposal
- Businesses that invoice through QuickBooks, FreshBooks or Xero
Worth knowing
Dropbox Sign
- Standard covers 2 to 5 users; more than five senders means the Premium plan, priced by quote.
- SSO, SMS authentication, the Salesforce integration and data residency are Premium only.
- Dropbox storage plans include unlimited self-signing but only 3 signature requests a month.
- The Dropbox Sign API is priced separately from these plans.
Prospero
- It is built for proposals rather than general contract signing; its feature list names two signers per proposal.
- Paying monthly costs $19 per user against $12 billed annually.
- Support is by chat and email, Monday to Friday, 9:00 to 17:00 GMT+2.
- Teams of 25 or more need a custom quote.
Key features
Dropbox Sign
- Unlimited signature requests
- Paid plans charge per user, with no monthly cap on the number of documents sent for signature and no overage fees.
- Templates and template links
- Save a prepared document as a template, or turn it into a link to share by email or on a website. Essentials allows 5 templates, Standard 15.
- Signer fields with validation
- Drag on signature blocks, text fields, checkboxes and dates, and add rules that check what signers type as they go.
- Audit trail and reminders
- Every request carries a time-stamped audit trail, and automatic email reminders chase signers who have not finished.
- Team admin and bulk send
- Standard adds an admin console with team roles, company branding, reporting and bulk send to a list of recipients.
- Integrations
- Send from Dropbox, Google Drive, Microsoft Word, HubSpot and Slack; the Salesforce integration needs Premium.
Prospero
- Proposal editor and templates
- Build proposals from more than 100 templates with variables, layouts, cover pages, file attachments and an interactive pricing module.
- Proposal analytics
- See who viewed a proposal, when, for how long and on what device, with open and click tracking on emails and reminders.
- E-signatures
- Clients sign on desktop or mobile by typing, drawing or uploading a signature, with the timestamp, IP address and device recorded.
- AI writing assistant
- Generate new text or images, enhance writing and change the tone or length of a section while editing.
- Emails and reminders
- Send proposals by email with automatic reminders, set expiry dates and protect a proposal with a password.
- Integrations
- Connect Stripe, QuickBooks, FreshBooks, Xero, Slack and Monday.com, or link other apps through Zapier and Make.
Plans
Dropbox Sign
Free$0
One sender and up to 3 signature requests a month.
Essentials$15
per month, billed yearly ($20 billed monthly)
One user, unlimited signature requests, 5 templates, data validation, signer attachments and template links.
Standard$25
per user / month, billed yearly ($30 billed monthly)
2 to 5 users and 15 templates, with an admin console, team roles, branding, bulk send and reporting.
PremiumCustom
Sold through sales for 5 or more users: unlimited templates, SSO, SMS authentication, Salesforce, data residency and multi-team admin.
Prospero
Prospero$12
per user / month, billed annually ($19 billed monthly)
Unlimited proposals, 100+ templates, AI assistant, analytics, reminders, e-signatures and integrations; teams add shared content and roles.
25 or more membersCustom
Teams of 25 or more people are priced by quote through the sales team.
Ways to pay less
Dropbox Sign
- Annual discount
Lower price with yearly billing
Essentials is $15 a month billed yearly ($180) against $20 monthly, and Standard $25 per user a month yearly against $30 monthly.
Prospero
- Annual discount
Save 37% with annual billing
Prospero's pricing page marks annual billing as a 37% saving: $12 per member a month billed annually against $19 monthly.
