Most "cheapest e-signature" lists quote the headline price and stop. We rank by effective cost — what you actually pay once the envelope caps, per-user seats and template paywalls kick in. The contrarian read: the default everyone names, DocuSign, is the worst value at the low end, where its $10 plan caps you at five envelopes a month. The genuine cheapest working tool is SignNow at $8/user. The best true-free option is SignWell. And Signaturely is the overrated 'free' pick that is neither cheap nor generous.
When the brief is 'cheapest,' value stops being a tiebreaker and becomes the headline. So we weighted effective price — cost after envelope caps, seat minimums and the template upsell — at 40%, kept core signing reliability and legal validity at 25%, and let brand prestige count for nothing. A tool that is cheap on the sticker but forces a $25 upgrade on your third signer is not cheap. See the full rubric →
Effective price after the upsell40%
Core signing & legal validity25%
Ease of use15%
Integrations10%
Support10%
01
RANK
★ Editor’s Choice
SignNow
Editor’s pick
The genuine value winner, and it is not close. $8/user a month (billed annually) buys unlimited documents, templates and a legally sound audit trail — no five-envelope ceiling waiting to upsell you. It is less glossy than DocuSign and that is exactly the point: you are paying for signatures that hold up, not a logo. For a small team that signs constantly, this is the lowest real total cost.
The honest free tier: three documents a month with a real audit trail and a template, no credit card, no trial-clock trick. For a solo operator or anyone signing a handful of contracts a month, this is genuinely $0 and genuinely valid. Outgrow three docs and the $10 plan is still among the cheapest unlimited options going. The true-free champion.
The free tier matches SignWell at three requests a month with unlimited self-signing, which is a nice touch. The problem is the jump: paid starts at $15/user, nearly double SignNow for the same core job. Worth it only if you are deep in the Dropbox ecosystem and value the polish. On pure price, it is mid-table.
Here is the trap everyone walks into. DocuSign's $10 Personal plan looks competitive until you read the fine print: five envelopes a month, one user, no real team features. The moment you need a third signer, a shared template or a sixth document, you are pushed to Standard at $25–$45/user. Brilliant product, deliberately stingy at the bottom. Named, not recommended, for 'cheapest.'
The free plan everyone shares a link to — and it allows exactly one document a month, which is closer to a demo than a tier. Paid starts at $20/mo, more than double SignNow for no meaningful advantage. Pleasant interface, poor value. If 'cheapest' is the brief, this is the one to skip.
What is the cheapest e-signature software that actually works?
SignNow, at $8/user a month billed annually, for unlimited documents and templates with a legally valid audit trail. It is the lowest real cost for a tool you can run a business on — most cheaper-looking options either cap your monthly documents or charge more once you add a second signer or a template.
Which e-signature tool has the best free plan?
SignWell. Its free tier gives you three documents a month with a real audit trail and a template, with no credit card and no trial countdown — so it is free in a way you can actually rely on month after month. Dropbox Sign matches the three-document allowance; Signaturely's 'free' plan allows just one document a month, which is barely usable.
Is DocuSign's $10 plan a good deal?
No — it is the bait-and-switch on this list. The $10 Personal plan caps you at five envelopes a month for a single user with no team features, and the moment you exceed that or need a shared template you are pushed to the $25–$45 Standard tier. DocuSign is an excellent product, but at the cheap end it is engineered to upsell, not to save you money.
Are cheaper e-signatures still legally valid?
Yes. All five tools here produce signatures that are legally binding under the US ESIGN Act and UETA, with a tamper-evident audit trail — that is table stakes, not a premium feature. Price buys you volume, templates, integrations and support, not legality. So paying DocuSign or Adobe rates purely for 'legal certainty' on a simple contract is paying for a brand, not a stronger signature.