Obtain Electronic Signature on Phone with signNow

Award-winning eSignature solution

What electronic signing on a phone means

Obtaining an electronic signature on a phone means a signer reviews a document on a mobile device and applies an electronic signature through a browser or app. The process usually includes opening a secure link, verifying identity, marking the signature field, and confirming intent to sign. signNow records the event with timestamps, signer details, and document history so the signed file can be stored, shared, and reviewed later in a U.S. business or compliance setting.

Why mobile signing matters

It speeds approvals, reduces paper handling, and supports remote transactions without changing the legal status of the signature. Under ESIGN and UETA, a properly captured mobile signature can be enforceable when intent, consent, and record retention are documented.

Why teams look for DocuSign alternatives

Common mobile signing challenges

Small screens can hide required fields, initials, or disclosure text during review.
Weak identity checks can make it harder to prove who signed.
Poor mobile connectivity can interrupt uploads, notifications, or final confirmation.
Missing audit details can weaken evidence if a signature is disputed.

Business workflows

Teams use mobile signing for leases, intake forms, approvals, and consent records.

Signer audiences

It fits remote customers, field staff, patients, tenants, and students.

People who benefit most

A NetSuite operations leader at Xerox uses signNow to route the right documents to the right people, then collect signatures on a phone when approvals move outside the office.
A founder at Martin Properties uses mobile signing to execute lease and property documents on the go, with compliance controls and offline access when site work limits desktop use.

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Best ROI. Our customers achieve an average 7x ROI within the first six months.
Scales with your use cases. From SMBs to mid-market, airSlate SignNow delivers results for businesses of all sizes.
Intuitive UI and API. Sign and send documents from your apps in minutes.

Mobile access

Open and sign documents from a phone browser or app, so approvals keep moving when signers are away from a desk.

Intent capture

Capture signer intent with a clear signing flow, making the completed record easier to defend under ESIGN and UETA.

Audit trail

Track each action with timestamps, signer details, and document history for later review or dispute support.

Fast routing

Send documents for signature in a few steps, which shortens turnaround time for contracts, forms, and approvals.

Reusable templates

Use templates for repeat forms, so teams can prepare mobile-ready documents without rebuilding the same workflow each time.

Record control

Keep records organized after signing, which helps with retention, retrieval, and internal review.

Connected workflows and integrations

Connected systems move documents into signNow, route them for signature, and return completed files to the tools teams already use.

How mobile signing works

The signing flow is short, secure, and built to preserve evidence from the first open through final storage.

Open document: The signer opens a secure document link on a phone.
Verify identity: Identity checks confirm the signer before the document loads.
Apply signature: The signer reviews fields, signs, and submits the record.
Save record: signNow stores the signed file with timestamps and history.

Quick steps to get signatures

Use a simple sequence to prepare the file, send it, and collect the completed signature on a phone.

Prepare file:
Upload the document and place signature fields.
Send request:
Enter signer details and send the request.
Open on phone:
Signer opens the link on a phone.
Finish signing:
Signer reviews, signs, and confirms completion.

Setting	Recommendation
Authentication method	SMS OTP for remote signers
Signature type	SES for routine U.S. transactions
Audit trail	Enable full time-stamped history
Document retention	6 years for HIPAA records
Encryption	TLS 1.2/1.3 and AES-256

Platform and device requirements

Use a secure browser or mobile app on iOS, Android, Windows, or macOS. TLS 1.2 or 1.3 supports encrypted connections during signing.

Desktop browsers Chrome, Firefox, Safari, and Edge on current versions.
Mobile devices iOS and Android phones with modern browsers or apps.
Operating systems Windows, macOS, iOS, and Android are supported.

For enterprise or regulated use, managed devices, SSO provisioning, API access, and retention controls help align mobile signing with internal policy, HIPAA, and 21 CFR Part 11 expectations.

Security and compliance snapshot

Transport security:

TLS 1.2/1.3 protects data in transit.

Storage encryption:

AES-256 protects stored documents.

SOC 2 Type II:

SOC 2 Type II report available.

ISO 27001:

ISO 27001 certified security program.

HIPAA support:

HIPAA support with BAA required.

Privacy standards:

GDPR and eIDAS compliance available.

Enterprise operations

A NetSuite operations leader needed signatures tied to the right records and formats.

Xerox used signNow with NetSuite integration.

The workflow matched documents to the right signers and formats, improving control without forcing desktop-only processing.

Real estate

A property founder needed to execute documents while moving between sites and offices.

Martin Properties signed on mobile and offline.

Mobile signing supported fast turnaround and compliance-focused execution for lease and property documents.

Best practices for mobile signing

A mobile workflow works best when identity, layout, retention, and evidence controls are planned before the first document is sent.

Match authentication to risk

Use identity checks that match the document risk, such as SMS OTP for routine approvals or stronger ID verification for sensitive records.

Design for small screens

Keep signature fields, initials, and date fields visible on mobile screens to reduce missed inputs and rework.

Document signer intent

Capture consent and signer intent before the final submission step, especially for ESIGN and UETA records.

Preserve the full record

Retain completed files, audit trails, and access logs in a controlled repository that supports later review and retention rules.

signNow	DocuSign	Adobe Acrobat Sign	PandaDoc
Mobile signing	Yes	Yes	Yes
Audit trail	Yes	Yes	Yes
HIPAA support	Yes	Yes	Yes
Envelope cap	No cap	100/yr	Not verified

	signNow	DocuSign	Adobe Sign	PandaDoc	HelloSign
Starting price	$8/user/mo	$15/user/mo	$14/user/mo	$19/user/mo	$15/user/mo
Free trial	7 days	Not verified	Not verified	Not verified	Not verified
Bulk send	Yes	Not verified	Not verified	Not verified	Not verified
Audit trail	Yes	Yes	Yes	Yes	Yes
Envelope cap	No cap	100/user/yr	Not verified	Not verified	Not verified

Day 0:

Set up the account, templates, and signer fields.

Day 1:

Send the first document from a phone or browser.

Week 1:

Onboard the team and confirm approval routing.

7-day trial:

signNow offers a 7-day free trial, no credit card required.

HIPAA retention:

Keep signed PHI records for 6 years under 45 CFR 164.530(j)(2).

21 CFR Part 11:

Validate the system and preserve secure audit trails.

ESIGN and UETA:

Keep consent, intent, and record history with the signed file.

Ongoing review:

Recheck access controls, retention, and signer authentication settings.

Risks of improper mobile signing

Weak attribution

Document may be harder to enforce.

Missing audit trail

Evidence can be challenged in court.

Retention failure

HIPAA records may fail retention rules.

Part 11 gap

FDA records may be rejected.

Signer authentication:

Verifies the signer before access is granted.

Timestamp capture:

Records UTC time for each action.

Document hashing:

Calculates a hash of the signed file.

Tamper-evident sealing:

Applies a tamper-evident seal after signing.

Audit logging:

Stores the event history with the record.

Retrieval and export:

Exports the audit trail for review or evidence.

FAQ and troubleshooting

These answers focus on mobile signing issues, plan limits, and compliance requirements that affect enforceability and record handling.

signNow Business includes mobile signing, templates, and audit trails. If a signer cannot finish on a phone, confirm the browser is current and the document fields are mobile-friendly.

For HIPAA workflows, signNow supports compliance use with a BAA. Make sure the account is configured for PHI handling and that retention and access controls match your policy.

If a document needs stronger identity proof, use advanced authentication options and keep the audit trail enabled. ESIGN and UETA depend on attribution and intent, not a specific device.

The Business plan is priced at $8/user/mo billed annually. If you need bulk send, advanced signer authentication, or higher-volume workflows, review Business Premium or Enterprise.

A missing audit trail can weaken evidence in a dispute. signNow records timestamps, signer actions, and document history, which helps support admissibility under ESIGN, UETA, and FRE 901.

If a record must be kept for healthcare use, retain it for 6 years under HIPAA 45 CFR 164.530(j)(2). For FDA-regulated records, follow 21 CFR Part 11 retention and validation rules.

28M+Documents signed

13+Years in business

4.6/5Average G2 rating