đź’ˇ SaaS Idea: SheetDiff for Google Sheets

A web app and Google Workspace add-on to visually compare two Sheets/tabs, highlight row/column/cell diffs, match on keys, and generate merge/sync actions with audit logs.

Platform: web

Why it's a good idea?

1. Evidence of the Pain

  • Quora thread (>95 k views) asking “How do I compare two columns in Google Sheets?” – many answers propose complex formulas or scripts, indicating the native UX is painful.
  • Google search auto-suggests “compare two Google Sheets”, “compare two Google Sheets highlight differences”, “compare two Google Sheets for duplicates”.
  • Stack Overflow has 200+ Q&A’s around comparing 2 Sheets/tabs (SEARCH: "[google-sheets] compare two" site:stackoverflow.com). Posts regularly have 5-50 up-votes – engineers hit this often.

2. Keyword data (Google)

Keyword Monthly volume Difficulty CPC
compare sheets 1 300 26 $7.47
compare two spreadsheets 170 2 –
how to compare two Google Sheets for duplicates 40 5 –
compare two Google Sheets 50 0 –

Requirement: ≥ 500 searches & difficulty < 30 → “compare sheets” (1 300 / 26) satisfies this.

3. Competitors (Workspace Marketplace & web)

  1. Compare Sheets™ (Ablebits) – paid add-on, 10 000+ installs, focuses on duplicates/matches, less on visual cell-by-cell diff.
  2. Power Tools – suite ($43/y) includes a basic sheet com...
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