Dropbox Sign Alternative
Abundera Sign vs. Dropbox Sign
Formerly HelloSign, simple but limited evidence. Abundera Sign provides stronger evidence, lower cost, and no per-seat fees.
✕ Dropbox Sign
- — Recently discontinued SharePoint integration (March 2026)
- — No PAdES digital signatures, no green checkmark in Adobe
- — No RFC 3161 trusted timestamps
- — No public verification or independent evidence anchors
- — Limited to basic audit trail
- — API only on paid plans
- — Being absorbed into Dropbox ecosystem, uncertain product future
✓ Abundera Sign
- ✓ PAdES-LTA digital signatures
- ✓ Dual RFC 3161 trusted timestamps
- ✓ 5 independent verification anchors
- ✓ Public document verification
- ✓ SHA-256 hash-chained audit trail
- ✓ Court-ready declarations
- ✓ Full API on every plan
Pricing comparison
Dropbox Sign
$15–25/user/mo
Essentials: $15/mo (20 envelopes), Standard: $25/mo (100 envelopes, min 2 users). Premium: custom.
Abundera Sign
$29–299/mo (no per-seat fees)
Starter: $29/mo (50 envelopes, 2 users). Professional: $99/mo (250 envelopes, 5 users). Business: $299/mo (1,500 envelopes, 20 users). API included on all plans. PAYG from $1.49/envelope.
What Abundera Sign includes that Dropbox Sign doesn't
✓
PAdES-LTA digital signatures
Green checkmark in Adobe Acrobat via AATL certification
✓
Dual RFC 3161 trusted timestamps
Two independent Timestamp Authorities for redundant proof
✓
5 independent verification anchors
GitHub, GitLab, Bitcoin, Sigstore Rekor, dual TSA
✓
Public document verification
Anyone can verify, no account needed
✓
SHA-256 hash-chained audit trail
Tamper detection is automatic and provable
✓
Court-ready declarations
13-section sworn PDF for litigation support
✓
Full API on every plan
No separate product, no extra cost
✓
No per-seat fees
Plans include users, envelope-based pricing
✓
331 legal templates
Across 30+ categories, legally reviewed
✓
20 languages including RTL
Arabic, Urdu, Japanese, Chinese, and more
✓
Cloud import
Dropbox, Google Drive, OneDrive, SharePoint, Box
✓
Credits never expire
Pay-as-you-go packs with no expiration
Ready to switch from Dropbox Sign?
Try the full signing experience, no account needed. Send yourself a document, sign it, and inspect the cryptographic evidence package.