Ignition vs Prospero
We give Ignition 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.
Ignition
Proposals, engagement letters and automatic billing for firms
Prospero
Proposal software with templates, tracking and built-in e-signatures
How we grade them
| 2.0GPAIgnitionFair | 2.4GPAProsperoFair | |
|---|---|---|
| Value for money | DGraded against its own alternatives. Solo is $39 a month billed yearly ($49 monthly) for 1 user and 20 active clients, and only for firms under $150,000 a year. That's two to three times PandaDoc's $19 or Better Proposals' $13 a user. Core is $99 for 3 users. | 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 14-day free trial of every feature with no card needed, including up to $10,000 in fee-free payments. That's enough to send real proposals and collect a first payment. There's no free plan. | CNo free plan, but a 14-day free trial that needs no card, with the full set of proposal features. |
| Features | CProposals with options, engagement letters, payment details taken at signing, then automatic invoicing and Xero or QuickBooks sync. It goes past proposal tools on billing, but signing is thin: 1 signer per proposal on Solo and Core, and other documents only from Pro. | 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. There's a services library to fill, engagement letter wording to settle and Xero or QuickBooks to connect before the first proposal goes out. | 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, with Xero, QuickBooks Online and Slack on every plan, and Gusto, Karbon, Xero Practice Manager and Zapier from Pro. No phone or desktop app. | BWeb only, with Stripe, QuickBooks, FreshBooks, Xero, Slack and Monday.com, and more through Zapier and Make. No phone or desktop app. |
| Best for | accounting firms billing clients on autopilot | 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: Ignition and Prospero. How we grade
Price against what you get
Ignition starts at $39 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 $27 a month lower. Of the other e-signature and proposal tools on the chart, 9 score higher than Ignition for less, and 8 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
- Ignition starts at $39 per month for up to 20 active clients, billed annually ($49 monthly). Prospero starts at $12 per user / month, billed annually ($19 billed monthly).
- Ignition also covers invoicing and quotes and estimates.
- Prospero also covers documents.
At a glance
| Ignition | Prospero | |
|---|---|---|
| Pricing | Free trial | Free trial |
| Starts at | $39 per month for up to 20 active clients, billed annually ($49 monthly) | $12 per user / month, billed annually ($19 billed monthly) |
| Free plan | None | None |
| Free trial | 14-day free trial of every feature, including up to $10,000 in fee-free payments; no credit card needed | 14-day free trial, no credit card required |
| Web | ||
| Made by | Ignition | Prospero |
| Price read from | ignitionapp.com | goprospero.com |
| Checked | Oct 18, 2026 | Oct 17, 2026 |
Who each one suits
Ignition
- Accounting, tax and bookkeeping firms billing clients on recurring engagements
- Agencies and consultants that want payment details collected at signing
- Firms on Xero or QuickBooks Online that want invoices created for them
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
Ignition
- Prices follow active clients, those with an accepted proposal still in its term: Solo covers 20, Core 50, Pro 350 and Pro+ 600, then $2 to $7 per extra client.
- Payments carry fees: 2.5% + $0.30 for standard cards, 3.6% + $0.30 for Amex and premium cards, and 1% + $0.30 for ACH, capped at $5 plus 0.3% above $3,000.
- Solo and Core allow 1 signer per proposal; signing documents other than proposals starts on Pro, with 500 a year, and is unlimited on Pro+.
- Zapier and practice-software links start on Pro. The deals pipeline and online forms are $49 a month add-ons below Pro+ and Pro.
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
Ignition
- Proposals with options
- Branded online proposals with up to 3 options, add-ons and a preloaded library of services. Core and higher plans send proposals in bulk.
- Engagement letters
- Engagement letter or contract terms go with each proposal, from an industry-standard template or your own wording, and are accepted with it.
- Automatic billing and payments
- Clients give card or bank details as they accept; invoices and payments then run one-off, recurring, hourly, quarterly or yearly.
- Accounting sync
- Creates invoices in Xero or QuickBooks Online and imports unpaid ones. Pro adds Gusto, Karbon, Xero Practice Manager, ProConnect and Zapier.
- Scope changes and renewals
- Change the scope of a signed proposal and bill for out-of-scope work. Core renews proposals one at a time; Pro and Pro+ renew them in bulk.
- AI Price Insights
- Price benchmarks and suggestions drawn from proposal data, sold as an add-on at $349 a year for 200 insights in the US.
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
Ignition
Solo$39
per month for up to 20 active clients, billed annually ($49 monthly)
1 user and 1 e-signature per proposal; extra active clients $7 each. Only for firms under $150,000 a year in revenue that connect Xero or QuickBooks.
Core$99
per month for up to 50 active clients, billed annually ($149 monthly)
3 users, bulk proposals, single proposal renewals, set-up help and a custom brochure design; extra active clients $5 each.
Pro$229
per month for up to 350 active clients, billed annually ($279 monthly)
15 users, 2 signers per proposal, bulk renewals, custom domain and email branding, forms, Zapier and practice-software links; extra clients $3 each.
Pro+$399
per month for up to 600 active clients, billed annually ($499 monthly)
20 users, 10 signers per proposal, proposal reviews and approvals, deals pipeline, advanced reports, reporting API and 1-hour support; extra clients $2 each.
EnterpriseCustom
For multi-office firms: a tailored client and user package, unlimited document signing, AI price insights and high-volume payment discounts.
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
Ignition
- Annual discount
Save 18% to 34% with annual billing
The pricing page marks annual billing as 20% off Solo, 34% off Core, 18% off Pro and 20% off Pro+: Core is $99 a month billed annually against $149 monthly.
- Other savings
25% off for 6 months, until October 31
A banner shown to US visitors offers 25% off for 6 months to mark the end of tax season, ending October 31. It links to a demo request.
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.
