IN THE FIELD GUIDE
Postreaction
postreaction.app
Post Reaction is a desktop application for Mac and Windows that allows users to test social media posts before publishing by simulating audience reactions using AI bots. It provides detailed engagement metrics and supports multiple large language models for realistic feedback to optimize content performance.
THE PRODUCT, BEYOND THE PITCH
Automatically researched · Not editorially reviewed · Sources checked Oct 13, 2026
A good fit for
Not confirmed yet.
Know the limitations
Not confirmed yet.
What you can do
- Testing and optimizing social media posts before publishing to improve engagement and performance.
- Comparing two versions of social media content side-by-side to determine which version resonates better with the audience.
Features
- Realistic AI bots with unique personalities, interests, and social behaviors for authentic reactions.
- Detailed interactions including comments, likes, shares, and bookmarks to understand engagement patterns.
- Support for multiple large language models including DeepSeek, OpenAI, Anthropic, xAI, Ollama, LM Studio, or custom models.
- Side-by-side comparison to test two versions of content simultaneously to identify which resonates better with the audience.
- Personalized experience by entering user name, username, and profile image for a more realistic preview.
Integrations
Not confirmed yet.
Platforms & data export
- Available as a desktop application for Mac and Windows operating systems.
THE COST FOR YOUR TEAM
Go beyond the starting price.
Published plan prices for your team size and usage. Results update as you type. Taxes, currency conversion and unlisted add-ons are excluded, and anything the source did not state is called out rather than guessed.
Cheapest fit for 1 person, all 1 tools
$0.00/month
$0.00 a year on these plans.
| Tool / plan | Monthly | Per year | What this assumes |
|---|---|---|---|
Free VersionBasicCheapest fit Flat subscription | $0.00 | $0.00 | Automatically extracted from the linked pricing source. Seat allowances, usage limits, taxes and terms are not confirmed — check them with the provider. |
A practical workflow
- Create two different versions of the post to share on social media.
- AI bots comment, share, like, and bookmark each version based on their unique personalities.
- View detailed metrics and feedback to understand which version will perform better.
Based on the sources below. Editorial review does not imply hands-on product testing.
Alternatives to explore
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