The Prompt Index vs Grain

Side-by-side comparison · 2026

The Prompt Index (freemium) and Grain (freemium) are both AI tools in the Productivity category. Use the comparison below to decide which fits your workflow and budget.

The Prompt Index

⚡ Productivity

A vast collection of carefully curated prompts, stimulating imagination and fueling creative endeavours.

Freemium

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Grain

⚡ Productivity

Record, highlight, and share key moments from video calls.

Freemium

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Feature

The Prompt Index

Grain

Pricing

Freemium