Our pick for most research offices · Verified 18 August 2026
Sign.Plus — Sign.Plus Professional — unlimited signature requests at $19.99/month
$19.99/mo (Professional) · $49.99/mo (Enterprise, HIPAA + BAA)
Both DocuSign and Adobe Acrobat Sign are excellent products, and if you are deep in Salesforce or Workday, or the licence already sits inside an enterprise agreement you cannot unpick, stay where you are. But the usual research-office purchase is an enterprise compliance tier bought to cover MTAs, NDAs, subawards and consultancy agreements that are not FDA-regulated records at all. Sign.Plus puts audit trails and eIDAS support on every tier including the free one, removes envelope metering entirely at Professional for $19.99/month, and offers HIPAA with a BAA at Enterprise for $49.99/month — a fraction of what a compliance tier costs from either incumbent. Verified 18 August 2026. Three free signature requests, no card, is enough to test a real agreement with a real counterparty this afternoon.
Try Sign.Plus free Opens on the vendor’s site · CASRAI referral link
Need HIPAA and a signed BAA? Enterprise at $49.99/month → — If your documents are FDA predicate-rule records, neither incumbent nor Sign.Plus is a shortcut — see the Part 11 section, which is the part of this comparison that actually costs money to get wrong.
Editorial disclosure: CASRAI has commercial referral arrangements with some of the vendors named on this page, and may earn a commission if you subscribe to them. We name them here regardless of whether a link is present. We only recommend tools our editorial team has independently researched. Read our full disclosure policy.
In summary
- Sign.Plus: Free (3 requests), Personal $9.99/mo (10/mo), Professional $19.99/mo (unlimited), Business $29.99/mo, Enterprise $49.99/mo (HIPAA + BAA). Audit trails and eIDAS on every tier including free. Verified 18 August 2026.
- DocuSign and Adobe Acrobat Sign are both defensible choices; the real differentiator is which paid tier unlocks the compliance posture you need, not the signing experience.
- We do not publish DocuSign or Adobe pricing because we only quote figures we have read off a vendor page and can date-stamp — both vary by region, term and negotiated agreement.
- Part 11 is not a tick box a vendor can sell you. It is a property of a validated implementation, and it applies to far less research paperwork than vendor marketing implies.
- Do not switch if you rely on deep Salesforce, Workday or Microsoft-agreement integration — that integration is worth more than the licence saving.
What a research office is actually exposed on
Sign.Plus pricing verified from the vendor pricing page, 18 August 2026. Incumbent columns describe positioning only — we publish prices only where we have read them off a vendor page.
| Dimension | DocuSign | Adobe Acrobat Sign | Sign.Plus |
|---|---|---|---|
| Published price we can date-stamp | Not quoted here | Not quoted here | Free / $9.99 / $19.99 / $29.99 / $49.99 per month |
| Audit trail on entry tier | Certificate of completion is core to the product; confirm retention on your tier | Audit report is core to the product; confirm retention on your tier | Yes — on every tier, including the free one |
| eIDAS support | Yes, with qualified options sold up-market | Yes, with qualified options sold up-market | Yes — on every tier |
| HIPAA with a signed BAA | Offered under specific agreements — get the tier named in writing | Offered under specific agreements — get the tier named in writing | Enterprise, $49.99/mo |
| 21 CFR Part 11 posture | Dedicated life-sciences capability positioned as a separate, up-market purchase | Dedicated regulated-industry capability positioned as a separate, up-market purchase | Not positioned as a Part 11 system — and neither is anything you buy without validating it |
| Bulk send for subaward packets | Yes, typically gated above the entry tier | Yes, typically gated above the entry tier | Unlimited requests from Professional; templates unlimited from Business |
| Templates | Tier-dependent | Tier-dependent | 1 / 5 / 10 / unlimited / unlimited |
| Deepest integration ecosystem | Strongest with Salesforce and CLM-style contract workflows | Strongest with Acrobat, Creative Cloud and Microsoft estates | Good general coverage; not a substitute for a deep CRM or HCM build |
Compliance availability changes by contract, region and renewal. Treat every cell in the incumbent columns as a question to put to your account manager in writing, not as a settled fact — and ask for the answer on your own paper, not in a slide.
Why the feature comparison is a trap
If you line up DocuSign and Adobe Acrobat Sign feature by feature, you will find two mature products that both send a document, both collect a legally sound signature, both produce a completion certificate and both handle sequential routing without complaint. Whichever you pick, your PIs will be able to sign things. That is why the feature grid never resolves the argument — there is no losing answer at that level.
The decision that actually costs money sits one layer down. Both vendors structure their line-up so that the capabilities a research office cares about most — a business associate agreement, extended audit trail retention, bulk distribution, a regulated-industry configuration — live above the tier where most institutions start. So the practical question is never “which product is better”, it is “which tier am I being quoted, what does it unlock, and does my paperwork require it?”
In our experience of research contracting, the honest answer for the majority of offices is that the paperwork does not require it. A subaward agreement between two universities, an MTA, a non-disclosure agreement, a consultancy contract, an internal delegation of authority — none of these are FDA-regulated records, and none of them need a life-sciences module. They need a signature that holds up evidentially, an audit trail you can export, and enough send volume to survive a grant deadline.
That is precisely the shape of product Sign.Plus sells, at $19.99/month for unlimited requests on Professional, with the audit trail and eIDAS support included from the free tier upwards rather than gated. Verified 18 August 2026.
Is DocuSign Part 11 compliant? Is Adobe Sign?
This is the question everyone types next, and the answer is the same for both: no software is Part 11 compliant on its own. 21 CFR Part 11 governs electronic records and signatures that a predicate rule requires you to keep — regulated clinical trial documentation, GxP records, material subject to FDA inspection. Compliance is a property of a validated implementation: your intended use documented, your configuration tested, your validation state maintained, your procedures written down and followed.
Both vendors sell capabilities aimed squarely at that regime, and both position them as a distinct, up-market purchase rather than something included in a general business plan. That is a reasonable commercial answer and it does not make either vendor dishonest. What it does mean is that “we use DocuSign” or “Adobe is on our Microsoft agreement” is not an answer you can give an inspector. The answer an inspector wants is a validation package.
So the useful question for a research office is narrower than the one people search for: which of our documents are actually in Part 11 scope? For most sponsored programmes offices, contracts teams and central research administration functions, the honest answer is none of them. Investigator-initiated study documentation held under an IND is a different matter, and that belongs with your quality function and your validated system — not with a subscription decision made in procurement.
If you have been quoted a life-sciences tier to cover an office that signs subawards and NDAs, that is the single most common overspend we see in this category. Push back and ask which specific documents drove the requirement.
Adobe Sign HIPAA, DocuSign HIPAA, and what a BAA actually settles
If a signature request will carry protected health information — a consent form with identifiers, a records release, an authorisation attached to a clinical study — you need a signed business associate agreement with the vendor, and you need it before the first document goes out, not after your privacy office notices.
Both DocuSign and Adobe make BAAs available, and in both cases availability is tied to particular agreements and tiers rather than being universal across the product line. We deliberately do not state which tier, because that is exactly the sort of claim that goes stale between a vendor’s pricing refresh and your renewal. Ask your account manager to name the SKU in writing and to confirm the BAA is executable before you sign anything.
The Sign.Plus position is simpler to state because we can read it off the pricing page: HIPAA support with a BAA sits on the Enterprise tier at $49.99/month. Verified 18 August 2026. Every tier below that includes audit trails and eIDAS support, which is what you need for the large majority of research agreements that carry no PHI at all.
One structural point worth making regardless of vendor: a BAA covers the vendor’s handling of PHI. It does not cover your own process. If consent forms are downloaded to a shared drive after signing, or emailed onward to a coordinator, the BAA has done nothing for you. Fax remains part of this picture in clinical settings too, and the same tier logic applies — our HIPAA-compliant fax guide walks through where the BAA sits in that product line.
Audit trail retention and bulk send for subaward packets
Retention is the question people forget to ask. Research agreements have retention obligations measured in years and occasionally decades — the sponsored programmes file has to survive an audit long after the PI has moved institution. Every vendor produces a completion certificate; not every vendor lets you retrieve it for a document signed six years ago, on the tier you are buying, without contacting support. Test this during evaluation on an old document, not a fresh one, and get the retention period confirmed in writing alongside what happens on cancellation.
Bulk send is the question that decides your busy month. A subaward packet going to twenty-two consortium partners is one document and twenty-two counterparties, and doing that by hand is how a Friday disappears. Both incumbents support bulk distribution; on both, it typically sits above the entry tier, which is one of the quiet reasons offices end up on a bigger plan than they expected. On Sign.Plus, unlimited signature requests start at Professional ($19.99/month) and unlimited templates at Business ($29.99/month), which covers the same operational need without the metering conversation.
Envelope metering deserves its own warning, because its worst effect is behavioural rather than financial. Grant deadlines cluster, so agreement volume arrives in bursts. An allowance sized for an average month runs dry in the month you least want a procurement conversation, and people quietly start batching and delaying sends to protect it. We covered that pattern in detail in DocuSign alternatives, and the reasons offices switch have not changed.
When staying with DocuSign or Adobe is the correct answer
We would rather lose the click than send you into a bad migration, so here are the cases where the incumbent wins outright.
- Do not switch if your signature flow is wired into Salesforce or Workday. If agreements are generated from CRM records, routed by workflow and written back on completion, the integration is the product. Replacing it with a general-purpose signing tool means rebuilding the automation, and the licence saving will not cover the engineering.
- Do not switch if the licence is already inside an enterprise agreement. When e-signature arrives bundled with an Adobe or Microsoft estate, the marginal cost of keeping it is often close to zero and the marginal cost of leaving is a procurement cycle. Check what your line item actually is before assuming you are overpaying.
- Do not switch mid-audit, or mid-submission. Changing the system of record for signed agreements while someone is inspecting those agreements is an avoidable self-inflicted wound.
- Do not switch if you are genuinely in Part 11 scope and running on a validated configuration. Revalidation is a project, not a subscription change.
Outside those cases, the arithmetic usually favours moving the general contracting workload — MTAs, NDAs, subawards, consultancy agreements, internal approvals — onto something that does not charge enterprise rates for a compliance posture that paperwork never needed. Our Sign.Plus review covers where the product is weaker, and our electronic signature guide sets out the evidential basics that apply whichever vendor you choose.
Test it against a real counterparty before your renewal date
The free Sign.Plus tier gives you three signature requests with a full audit trail and no card required. That is enough to send a genuine MTA to a genuine external contracts manager and find out whether they can sign it without creating an account — which tells you more than any comparison table, including ours. Professional is $19.99/month for unlimited requests; Enterprise is $49.99/month with HIPAA and a BAA. Verified 18 August 2026.
From $9.99/mo · unlimited requests at $19.99/mo
Try Sign.Plus free Opens on the vendor’s site · CASRAI referral link
Frequently asked questions
DocuSign vs Adobe Sign — which should a research office choose?
On signing experience and legal validity the two are close enough that either is defensible, so choose on ecosystem: DocuSign if your agreements are generated in Salesforce or a CLM workflow, Adobe Acrobat Sign if you live in Acrobat and a Microsoft estate. But before you renew either, check what tier you are being quoted and why. Most research offices are buying an enterprise compliance tier for paperwork that carries no PHI and is not an FDA-regulated record. For that workload, Sign.Plus Professional at $19.99/month gives unlimited signature requests with audit trails and eIDAS on every tier, and Enterprise at $49.99/month adds HIPAA with a BAA. Verified 18 August 2026 — and the free tier lets you test it before your renewal date.
Is DocuSign Part 11 compliant?
No product is, by itself. 21 CFR Part 11 compliance is a property of a validated implementation — documented intended use, tested configuration, maintained validation state and procedures your quality function owns. Both DocuSign and Adobe sell capabilities aimed at regulated life sciences, and both position them as a separate up-market purchase, but buying the tier does not make you compliant. The more useful question is which of your documents are in scope at all; for most sponsored programmes and contracts offices, none of them are.
Is Adobe Sign HIPAA compliant, and does it include a BAA?
Adobe makes business associate agreements available, as does DocuSign, and in both cases availability is tied to specific agreements and tiers rather than being universal across the product line. Ask your account manager to name the SKU in writing and confirm the BAA is executable before any PHI moves. We do not state the tier here because that claim goes stale between vendor pricing refreshes. Where we can be precise: Sign.Plus provides HIPAA support with a BAA on its Enterprise tier at $49.99/month, verified 18 August 2026.
How do audit trails compare for sponsored programmes agreements?
All three produce a completion record with timestamps, signer identity verification and a document hash — that is the evidential core and it is what an auditor or counterparty will ask for. The difference is retention and access: how far back you can retrieve a certificate on your tier, whether you can export it yourself without contacting support, and what happens to stored documents if you cancel. Test retrieval on an old document during evaluation, and get the retention position in writing. Sign.Plus includes the audit trail on every tier, including the free one, which is unusual — most vendors gate it.
Can we send a subaward packet to twenty partners at once?
Yes on all three, but check the tier. Bulk distribution typically sits above the entry plan on both incumbents, which is one of the quiet reasons offices end up on a larger contract than they planned. On Sign.Plus, unlimited signature requests begin at Professional ($19.99/month) and unlimited templates at Business ($29.99/month), so a burst of consortium paperwork around a deadline does not trigger a conversation with procurement.
Is a cheaper e-signature tool as legally valid?
Yes. Validity comes from the ESIGN Act and UETA in the United States and from eIDAS in the EU and UK — not from the price of the licence. What matters evidentially is the quality of the audit trail: timestamps, IP address, email verification and a tamper-evident document hash. Sign.Plus includes audit trails and eIDAS support on every tier including the free one, which is the specific reason we are comfortable recommending it for institutional contracting rather than only for low-stakes documents.
What should we do before switching?
Export completed documents and their audit trails while the old subscription is still live — that is the irreversible step and it comes first. Rebuild your recurring templates before go-live rather than during the first urgent deadline. Test the external signing experience with a real counterparty, not a colleague on your own domain. Overlap by one billing cycle so anything already out for signature completes on the old system. And tell frequent counterparties the sender address will change, because contracts teams are trained to distrust unexpected signature requests.
