AI coaching · your words, not ours

She matched.
Now what?

Caliber analyzes your dating conversations, shows you what's working, and teaches you why — so you build the skill yourself.

Your words, sharpened. Not replaced.

For men who match but lose the conversation.

Get early access See how it works
S
Sarah K.
Hinge · Messages
the scallops at bondir are unreal honestly
right?? I used to go all the time when I lived closer
no one ever wants to make the trip out lol
analyzed just now
Momentum
↑ Rising · 7.4
Trajectory
→ Stable · 4.1
Reading the room
She could be giving you an opening — "no one ever wants to make the trip" often signals interest in making plans. Momentum is strong but trajectory is low because nobody's moved toward meeting yet.
Lesson · Invitation detection
When someone shares an obstacle ("no one wants to"), it can signal openness to a solution. A specific plan reduces ambiguity and shows decisiveness.
Recommended
Clear & Direct
"well I'm definitely making the trip — thursday or friday work for you?"
Specific plan + two options. Reduces ambiguity and moves things forward. Matches her casual lowercase tone.
Warm & Playful
"ok well now I have to go back, you're basically obligated to show me the good spots"
Avoid
✕ Asking "would you want to go sometime?" — too vague, puts the work on her
✕ Continuing to talk about food without progressing — momentum will stall

Momentum tracks whether the conversation will continue. Trajectory tracks whether it's moving toward a date. Both update with each analysis.

Why conversations stall

0%
of women say thoughtful questions make them want a second date
Hinge Labs 2025
0%
say their dates actually ask enough of them
Hinge Labs 2025
0×
Deal-breakers outweigh deal-makers in early dating decisions
Jonason et al. 2015
How it works
Three steps. Real signal.
Upload a screenshot. See what's landing and what's not. Learn the principle behind it — then move on.
01

Screenshot

Upload a screenshot from Hinge, Bumble, iMessage, or any messaging app. Text is read on your device — the image never leaves your phone.

02

Analysis

Get dual scores, a coaching read of the conversation dynamics, three reply options ranked by fit, and the reasoning behind each one.

03

Learn

Each analysis teaches a principle — asking better follow-ups, reading soft invitations, knowing when to propose plans. Over time, you stop needing the app. That's the point.

Why Caliber
Coach, not crutch.
Reply generators create dependency. Caliber builds skill. Every suggestion comes with the reasoning behind it — so you learn what works and stop needing us.
Evidence-based

Built on published research

Scoring and coaching grounded in peer-reviewed studies on communication, attraction, and decision-making — not Reddit threads or pickup artist blogs.

Teaching system

Shows you why, not just what

Every reply includes the reasoning. When you go off-script, the guideback system shows you what you did well — with 3–5 positives per correction.

Dual scoring

Momentum + Trajectory

Two scores track different signals: will the conversation continue (momentum) and is it moving toward a date (trajectory). Trend arrows show direction, not just numbers.

Safety-first

Ethical guardrails built in

Caliber never suggests persistence after silence, sexual escalation without mutual signals, or manipulative tactics. Clarity over games. Always.

Stage-aware

Advice shaped by context

Early rapport needs different coaching than asking someone out. Caliber's analysis considers where the conversation is — not one-size-fits-all.

Graduation model

Designed to become unnecessary

Every analysis teaches a transferable principle. The coaching is built so that over time, you internalize the patterns and stop needing the app.

Built for
You don't guess at anything else.
You track your lifts, your sleep, your spend. Caliber gives your conversations the same rigor — real signals, scored analysis, no guesswork.
The Overthinker
You screenshot every conversation and send it to the group chat. You draft three versions of a reply and send none. Caliber replaces the guesswork with a framework.
The Comeback
You haven't dated in years. The apps feel different now and you feel rusty. Caliber gets you back up to speed without the learning curve.
The Optimizer
You don't need coaching — you want signal. Caliber gives you conversation analytics: scored reads, trend data, and what's actually landing.
The research
Zero bro science.
Every coaching decision maps to published findings. Here's what shaped the product — and why it matters for your conversations.
Why we emphasize follow-up questions. People who ask more follow-up questions are rated as more likable and more likely to get a second date.
Huang, Yeomans, Brooks, Minson & Gino, 2017 · Journal of Personality and Social Psychology
Why we don't write your messages. Perceived authenticity predicts desire for relationship initiation. Scripted or performative behavior triggers disengagement.
Rossignac-Milon et al., 2024 · Columbia · Speed-dating with audio coding
Why we distinguish momentum from trajectory. Linguistic style matching between partners predicts mutual romantic interest — but rapport alone doesn't create dates.
Ireland, Slatcher, Eastwick, Scissors, Finkel & Pennebaker, 2011 · Psychological Science
Why we flag deal-breakers first. Avoidance cues weigh more heavily than positive traits in partner evaluation — mistakes cost more than strengths gain.
Jonason, Garcia, Webster, Li & Fisher, 2015 · Personality and Social Psychology Bulletin · N>6,500
Why we believe this works. Brief social skills coaching produced measurable increases in desirability ratings in controlled speed-dating trials.
Li et al., 2020 · Journal of Experimental Social Psychology
These findings informed Caliber's coaching model. They represent published research, not proprietary validation of our product.
Privacy
Your conversations stay on your phone.
Screenshots are read on your iPhone. The raw image stays on your device. Extracted conversation text is sent through our service to generate scores and coaching. We don't store conversation content on our servers.

On-device OCR

Screenshots are read using Apple Vision on your device. Text is extracted locally — the screenshot image itself is never uploaded.

Text sent, not stored

Extracted text is sent to our AI provider to generate your analysis. It is not stored on our servers afterward. We log behavioral metadata — platform, scores, reply style chosen — not conversation content.

Delete anytime

One-tap data deletion in Settings. Your data, your control. You choose what to analyze, and we explain when text is sent for processing.

Step 1
Text is extracted on your iPhone using Apple Vision
→
Step 2
Extracted text is sent through our service to our AI provider for analysis
→
Step 3
Scores and coaching are returned. Raw screenshots never leave your phone
Questions
Frequently asked.
Does Caliber write my messages for me?
No. Caliber suggests reply strategies with reasoning — but you write the actual message in your own words. The goal is to teach you the principle, not hand you a script.
Do my screenshots leave my phone?
The screenshot image stays on your device. Text is extracted locally using Apple Vision. Only the extracted conversation text is sent to our AI provider for analysis, with your permission.
Do you store my conversations?
No. Our server stores behavioral metadata — which platform, conversation stage, scores, and which reply style you chose. Not the words in your conversations.
Is this for getting more matches or better conversations?
Better conversations. Caliber starts after the match — it helps you turn matches into real conversations and real conversations into dates.
Do I need to create an account?
Not for your first analysis. You can try Caliber immediately. An account is only needed if you subscribe or want to track progress across conversations.
Is this iPhone only?
Yes, for now. Caliber is a native iOS app. Android is on the roadmap.
Pricing
Start free. Stay sharp.
Your first analysis is free — no account required. After that, choose how you want to learn.
Weekly
$7.99
per week · 7-day free trial
Unlimited analyses. Try it for a week, cancel anytime. Good for active daters testing the waters.
Annual
$5/mo
$59.99 billed annually · Save 86%
Unlimited analyses. Best value if you're building the skill over time.
Credits
$9.99
10 analyses
No subscription. Pay per use. Good for occasional check-ins or specific conversations.

Each analysis includes: dual scoring, coaching read, three reply strategies with reasoning, teaching points, and things to avoid. Credit packs also available at 25 for $19.99 and 50 for $34.99.

Your first analysis is free.
See what you've been missing.

Upload a screenshot. Get scored analysis, three reply strategies, and the reasoning behind each one. No account required.

Get early access

iOS only · Free first analysis · No credit card required