Is there a good app for sign documents electronically?
Too Expensive: 19 apps already serve this, and 6 data points mined from real user reviews across 2 sources show where they fall short. The job is solved but priced beyond a segment. Undercut with a cheaper tier.
Data refreshed July 20, 2026 · scores recompute weekly as new reviews are mined, so re-check before you build.
What users complain about
The most common complaints behind apps that try to sign documents electronically, mined and clustered from real reviews:
| Complaint area | Type | Mentions | What a user said |
|---|---|---|---|
| hard to sign documents | missing-feature | 1 | hard to sign documents |
| signing method preference | ux | 1 | Prefer different platform As signing methods |
| unclear how to sign or fill fields | ux | 1 | Do not specify how to sign paperwork or fill in boxes |
| PDF signing locked behind monthly fee | price | 1 | wouldn’t even let me sign a PDF document without a US$ 15 monthly fee |
| watermark on scanned documents | other | 1 | ставит вотермарку внизу в углу. портит официальные документы |
| loss of in-app document signing/editing | missing-feature | 1 | I cannot sign documents I cannot edit |
Apps that already serve this
| App | Rating | Ratings | Price |
|---|---|---|---|
| SignNow: e-Signature app | 4.5 | 17,679 | Free |
| Sign by JotNot - fill and sign PDF form or sign PDF document | 4.1 | 40 | $4.99 |
| eSign App: Sign PDF Documents | 4.8 | 1,451 | Free |
| PDF Editor - Sign, edit forms | 4.8 | 94,301 | Free |
| Docusign - Upload & Sign Docs | 4.9 | 819,904 | Free |
| Zap eSign-Scan & Sign PDF | 2.2 | 4 | $0.99 |
| SwiftDocs: PDF Document Maker | 4.6 | 48 | $0.99 |
| Autograph + | 2.5 | 4 | $1.99 |
Should you build it?
The job is solved but priced beyond a segment. Undercut with a cheaper tier. Opportunity here scores 12 out of 100 — a function of demand, how crowded the field is, and how badly the existing apps perform. Use the live map to compare it against adjacent tasks.
Who has tried building this
4 attempts, half stale or abandoned and topping out near 82 stars — niche Linux-signing tools, no broad consumer winner.
| Project | Status | Stars | Stack |
|---|---|---|---|
| roelderickx/connective-plugin-linux | active | 82 | Python |
| BancuTheKind/cei-pdf-signer | active | 69 | HTML |
| M0Rf30/cie-middleware-linux | abandoned | 16 | C++ |
| octosign/desktop | stale | 9 | TypeScript |
Open-source projects that attempted this task — active ones show today's bar; abandoned ones are a signal to validate why earlier attempts died.
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