Named by 1 of 4 assistants
Best E-Signature according to AI
How ChatGPT, Gemini, Claude and Perplexity rank e-signature software in the Edition 4 snapshot for Week 31, August 2, 2026: 15 products named across 4 core questions, backed by 115 cited pages from 72 domains.
| Rank | The canonical software product Cooper identified in the assistants’ answers. | A 1–100 score for how strongly tracked AI assistants recommend the product in this category and question scope. Higher is better. | The product’s position within ChatGPT’s answers for the selected buyer-question view. Lower numbers are better. | The product’s position within Gemini’s answers for the selected buyer-question view. Lower numbers are better. | The product’s position within Claude’s answers for the selected buyer-question view. Lower numbers are better. | The product’s position within Perplexity’s answers for the selected buyer-question view. Lower numbers are better. | Distinct publisher domains behind the verified cited pages for this product, across every buyer question this week. | Distinct cited pages Cooper verified as naming or representing the product, across every buyer question this week. | The change in ranking position since the previous weekly snapshot. New means there was no prior position. |
|---|---|---|---|---|---|---|---|---|---|
| 98 | 1 | 1 | 1 | 2 | 42 | 66 | No change | ||
| 53 | 2 | 2 | 2 | 1 | 15 | 19 | No change | ||
| 30 | 3 | 4 | 4 | 4 | 24 | 37 | Up 1 position | ||
| 4 | 29 | 4 | 3 | 3 | 3 | 34 | 52 | Down 1 position | |
| 5 | 14 | 7 | 8 | 5 | - | 10 | 13 | No change | |
| 6 | 11 | 8 | 6 | - | - | 5 | 11 | No change | |
| 7 | 11 | 5 | - | - | - | 4 | 4 | Up 1 position | |
| 8 | 11 | 9 | 7 | - | 6 | 4 | 7 | Up 2 positions | |
| 9 | 10 | 6 | - | - | 9 | 4 | 4 | Down 2 positions | |
| 10 | 8 | 10 | - | 8 | 8 | 6 | 9 | Up 5 positions | |
| 11 | 8 | - | 5 | 6 | - | 25 | 36 | Down 2 positions | |
| 12 | 5 | - | 9 | 10 | 5 | 6 | 10 | Down 1 position | |
| 13 | 3 | - | - | 7 | 7 | 7 | 9 | New This Week | |
| 14 | 3 | - | 10 | - | - | 8 | 12 | New This Week | |
| 15 | 2 | - | - | 9 | 10 | 4 | 4 | Down 1 position |
More in Sales
The other 9 Sales markets Cooper tracks, with their leaders from this edition.
Named by 4 of 4 assistants
Named by 4 of 4 assistants
Named by 4 of 4 assistants
Named by 4 of 4 assistants
Named by 4 of 4 assistants
Named by 4 of 4 assistants
Named by 2 of 4 assistants
Named by 4 of 4 assistants
This Edition’s News
Reporting from Cooper’s Edition 4 software recommendation index.
The Cooper Index, Edition 4: How AI Recommendations Changed Across 80 Software Categories
Edition 4 measures what ChatGPT, Gemini, Claude, and Perplexity recommend across 80 business software categories, separating Best, Most Affordable, Easiest to Set Up, and Rising into four direct rankings.
Edition 4 Rising AIQ Report
Eight category-relative Rising AIQ findings show where emerging-product recommendations strengthened in Cooper’s fourth immutable edition.
Edition 4 Sales Software Report
A category-by-category reading of all ten Edition 4 Sales markets, with Best Top 3 tables and separate Most Affordable, Easiest to Set Up, and Rising analysis.