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UPCLabelMaker vs Gamma PDF

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

UPCLabelMaker compared with Gamma PDF
DetailUPCLabelMaker logo UPCLabelMakerGamma PDF logo Gamma PDF
What it doesGenerate GS1-compliant UPC, EAN, and Amazon FNSKU barcode labels online Read papers. Keep what you learn.
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Freemium
PricingFree: Single PNG/SVG barcodes with no account or watermark, plus 3 free full-sheet PDFs on sign-up. Pro: $9/month (or $79/year, approximately $6.58/month with 2 months free) for unlimited calibrated barcode label sheets, CSV/multi-SKU import, and saved batch archive. One-off sheet packs: Starter Pac Free: desktop app and self-hosted server. Lite: $2/month or $20/year. Plus: $5/month or $50/year. Pro: $20/month or $200/year.
Key features
  • UPC-A barcode generation with automatic check digit, SKU and price fields
  • Amazon FNSKU labels with X00 code and product title for FBA
  • EAN-13 international barcode labels with guard bars and quiet zones
  • GS1 DataMatrix 2D codes with expiration dates and lot numbers
  • Thermal label sheets calibrated for Zebra, Rollo, and Dymo printers
  • CSV and multi-SKU batch import for bulk label creation
  • Avery 5160/8160 30-up and Avery 5163 10-up calibrated PDFs and Word templates
  • Alignment test PDFs to verify print settings
  • Check digit calculator for UPC-A, EAN-13, and GTIN-14 validation
  • Cloud-based saved batch archive for re-downloading old label batches
  • Highlight, draw, and annotate on PDFs with every mark becoming a note
  • Outliner with live Markdown and LaTeX for mathematical notation
  • AI chat to ask questions about papers with cited answers
  • Full-library search across notes, highlights, and all PDFs
  • Shared workspaces with live cursors and comments for collaboration
  • Works offline on iPad, Android, and desktop with automatic sync
  • Integrations with Zotero, Obsidian, Logseq, and Notion
  • Browser extension for one-click saving papers with metadata
What makes it different
  • Calibrated to exact physical dimensions of US Letter sheets and thermal rolls with no manual scaling needed
  • Single PNG/SVG barcodes are always free with no account or watermark required
  • Blank templates and alignment tests provided free for all label formats
  • Mix multiple SKUs on one sheet with custom quantities
  • One-off sheet packs never expire and can be used anytime
  • Self-hosted option with one Docker image for full control over data
  • Live math support with Markdown and LaTeX directly in outliner notes
  • Works on any device: Windows, macOS, Linux, iPad, Android, and browsers
  • No vendor lock-in with SQLite files and export at any time
Community votes00
DR (Domain Rating by Ahrefs)6 +2 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)09
Referring domains (Majestic)01

5 details filled in for both companies.

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