Tweet or caption test
Compare the two versions before you let the platform decide with live distribution noise.
AI audience simulation
MiroFish for message testing, but built for real publishing decisions.
Test tweets, captions, headlines, and launch copy before you publish. SimAudience gives you the practical version of audience simulation: paste two or three options, run the test, and review the winner in minutes.
AI simulation only. Not a survey of real people.
What it catches
Weak first lines
The safer version often loses because the opener never earns enough attention.
simaudience.com/results
Why it helps
Pick the stronger variant
Use the test before timing, reach, and platform noise blur the lesson.
What to test
Run it on the lines that decide whether the audience keeps going
- Tweets and post openers where one version feels sharper and another feels safer.
- Captions that need to sound human, specific, and native to the platform.
- Headlines, subject lines, and launch messaging where the first line carries most of the decision.
Best use
Choosing between real message variants before you publish, launch, or send.
Main value
Find the stronger line early enough to rewrite the weaker one before it spreads everywhere.
Output
Winner, lift, segment movement, and the reasons one version landed better.
Where this workflow fits
Announcement framing
Pressure-test the line that introduces the launch before it gets repeated across the whole rollout.
Headline and opener
Use the same test when the shortest line on the page is also the most important.
Tweet Test
Go deeper on tweet testing and preflight screening before you post on X.
Caption Test
Test Instagram and TikTok captions when the opening line has to do most of the work.
Headline Testing
Compare headline and opener variants when the hook matters more than the platform.
Sample Results
See what the report looks like before you run a real test.
Simple pricing for message testing
No subscription. Pick the depth that fits the decision.
No Credit Card
Free Preview
$0
See how the workflow feels with a smaller sample
- 100 AI persona reactions
- Sex, age, and urban/rural breakdowns
- 2 sample audience quotes
- Full demographics in paid
- Results expire in 24h
Up to 3 free tests per week
A/B Test
$7
Compare 2 message variants
- 500 reactions per variant
- Full demographic breakdowns
- 6 sample audience reactions
- CSV export
- 30-day access
Most Popular
A/B/C Test
$9
Test 3 message variants
- 500 reactions per variant
- Full demographic breakdowns
- 6 sample audience reactions
- CSV export
- 30-day access
Run your message test now
Results delivered to your email in about 8 minutes.
FAQ
What can I test with SimAudience?
Tweets, captions, headlines, subject lines, launch messaging, and other short message choices where two or three versions are competing.
Why use this before posting live?
Because live reach, timing, and algorithm effects can hide what the message itself is doing. This is a preflight test for the message.
What do I get back?
You get a winner, topline signal, and on paid runs the deeper segment breakdowns and CSV export needed to review the result with a team.
Is SimAudience affiliated with MiroFish?
No. MiroFish is a separate project. SimAudience is an independent product focused on message testing.