26 Jul 20267 min readKathmandu
Flat-Rate vs Per-Seat Proposal Software: What Agencies Actually Pay
“From $19 a month” is a true statement about a price you will never pay.
Per-seat pricing is the default in this category, and it's easy to see why: it looks cheap on the pricing page, it scales revenue with customer growth, and the customer's bill only goes up at moments when they're feeling successful. As a business model it's elegant. As a buyer, it means the headline number on the pricing page has almost nothing to do with your invoice.
Here's the arithmetic for proposal tools at three team sizes, using list prices verified in July 2026. Annual billing where it's the advertised rate.
| Tool | 3 people | 5 people | 8 people |
|---|---|---|---|
| PandaDoc (from $19/user, annual)Per seat | $57 | $95 | $152 |
| Qwilr Business ($35/user, annual)Per seat | $105 | $175 | $280 |
| Qwilr Enterprise ($59/user, 10 min.)Per seat + floor | $590 | $590 | $590 |
| Proposify (per-user tiers)Per seat | ~$147 | ~$245 | ~$392 |
| Prospero ($19/user monthly)Per seat | $57 | $95 | $152 |
| Nusii Agency ($49, 3 users, then $19 each)Tiered + overage | $49 | $87 | $144 |
| ApeiroCraft (3 / 5 / 30 seats by plan)Flat | $19 | $79 | $149 |
Monthly cost for the proposal tool alone, list prices July 2026. Proposify figures are approximate as its tiers bundle user counts. Nusii figures assume its Agency tier plus per-user overage and that the tier's 20 active-proposal limit is enough — its $129 Business tier raises that to 50+. Prospero is shown at its monthly rate; prepaying a year takes it to roughly $12 per user. We build ApeiroCraft, so read the last row with appropriate suspicion — and check the others yourself.
The three costs the table hides
1. The seat you don't buy. This is the real damage, and it doesn't appear on any invoice. When each seat costs $35 a month, your junior designer doesn't get one. Neither does the contractor on a six-week engagement, or the account manager who only needs to check a status. So they ask someone else to look, or work from a screenshot in Slack, or a proposal goes out from the one person with access who didn't write it. Per-seat pricing quietly creates a tool that only some of your team can use, and the workarounds cost more than the seats would have.
2. The seat minimum.Qwilr's Enterprise tier requires ten seats at $59 each — $590 a month whether you have four people or eleven. Seat floors are common at the enterprise end and they mean a five-person agency pays for eleven, forever, to unlock one feature it needed.
3. The rest of the stack.A proposal tool sends proposals. It doesn't hold your pipeline or issue invoices, so most teams add a CRM (~$15/user), invoicing (~$15), and something for tasks and notes (~$15). Several of those are also per seat. For five people, a $95 proposal line becomes a $250-plus stack, and every new hire raises four bills at once.
When per-seat is genuinely the better deal
Flat pricing isn't automatically cheaper, and pretending otherwise would be the same trick in reverse.
You're one person.At a single seat the two models converge — one seat of PandaDoc is about the same as a cheap flat entry plan, and a $12-a-year-prepaid Prospero seat undercuts both. Per-seat tools advertise the single-seat price precisely because that's the one case where it flatters them. The gap opens from the third or fourth person onward.
You need depth one flat tool won't have. If your proposals need Qwilr's interactive modules or PandaDoc's approval chains and Salesforce sync, paying per seat for the right tool beats saving $100 on the wrong one. Buy the capability; don't buy the pricing model.
Your headcount is volatile. A team that swings between three and twelve people on project cycles can genuinely prefer paying only for active seats, provided the vendor lets you remove them mid-term — check, because many bill annually per seat and don't.
Flat pricing hides a cap you'll hit. Read the flat plan's limits before celebrating, and check whether “flat” is actually flat. Nusii's prices look per-account until you notice each tier includes a fixed number of users and extra people cost $19–$29 a month each. Moxie is genuinely flat and cheap, and stops dead at five members. A flat price with a ceiling you'll cross next quarter is a migration with extra steps.
What to check before you sign anything
Multiply the per-seat price by the number of people who shouldhave access, not the number you'd begrudgingly pay for. That's the honest number, and it's usually two or three seats higher than the one you first calculated.
Then ask four questions: is there a seat minimum? Can you remove seats mid-term? Which features are gated to a higher tier rather than a bigger capacity? And what else will you need to buy alongside it? Those four answers move the total more than the headline price does.
For what it's worth, this is the problem we set out to remove: ApeiroCraft charges $19, $79, or $149 a month flat per workspace — Solo, Team, and Agency — with every feature on every plan, including the free one. Plans differ in capacity, never in what you're allowed to use, and adding a contractor costs nothing. The honest caveats: Agency tops out at 30 members, and if you're a single freelancer, a one-seat competitor will be cheaper than our $19. We compare directly against Qwilr, PandaDoc, and Proposify if you want the feature-by-feature version, and the stack calculator will total up whatever you're paying now.
The general principle survives whichever tool you pick: pricing that moves with headcount makes you ration access to the software your team needs to do the work. Any model that makes you think twice about adding the person doing the job is charging you in a currency that doesn't show up on the invoice.