Product Growth Consultant

I help products figure out
why users stopped continuing.

They didn't stick around, didn't grasp the core value, didn't form a habit, or didn't pay.
Starting from real user behavior, I uncover critical friction points and redesign use cases, user flows, and monetization funnels.

Product Strategy · Funnel Optimization · Pricing Architecture · Monetization
Let's Talk →

Selected Problems I've Solved

CASE 01 · Conversion Interaction & Funnel

"Sometimes, growth is just missing one button."

12% → 28% Signup Conversion Rate (+133% Relative Lift)

A lengthy 10-screen landing page. The copy and structure were solid, but the signup CTA only appeared on the very first screen. By screen 5, when users were finally convinced and ready to register, the button was long gone. The physical friction of scrolling back killed conversions.

Original Experience (Scroll inside the box below) Screen 1 / 5
SCREEN 1 · HERO
Sign Up (Low contrast ghost button)
SCREEN 2 · Core Features
SCREEN 3 · Social Proof & Reviews
SCREEN 4 · Deep Workflow Demo
SCREEN 5 · Peak Conversion Intent
⚠️ Convinced and ready to sign up, but where is the button?

Key Execution: Replaced the low-contrast ghost button with a solid high-contrast CTA and made it globally sticky at the bottom. The primary action remains effortlessly available right when intent peaks.

Underlying Behavioral Principles
  • Fogg Behavior Model (B=MAP): Action happens when Motivation, Ability, and Prompt converge. The original design removed the Prompt right when Motivation was highest. A sticky CTA reduces Ability friction to near zero.
  • Von Restorff Effect (Isolation Effect): Switching from a faded outline to a high-contrast solid button establishes a persistent visual anchor across dense content.
  • Hick's Law: Eliminates the cognitive hesitation of wondering where to go next, providing one obvious, friction-free forward path.
CASE 02 · Monetization Pricing & Funnel Architecture

"Traffic was flowing, but revenue was stuck."

Revenue 4×+ Conversion & Retention Lift, Not Paid Acquisition

A SaaS AI image tool with healthy organic traffic. The bottleneck wasn't top-of-funnel acquisition; the pricing table was cannibalizing itself (a cheap one-time pass undercut the subscription), and hitting free limits led straight to a dead end.

Conversion Funnel: Handing a Door Instead of a Wall
ORIGINAL · DEAD END Drop-off
Organic Traffic Arrives
↓ Usage Limit Reached (Peak Intent)
Generic Error: "Please Log In" (No CTA)
↓ Result
Users bounce; homepage lacks purchase guide
REDESIGNED · CAPTURE INTENT Monetization
Organic Traffic Arrives
↓ Usage Limit Reached
Prominent Upgrade CTA Triggered Directly
↓ Result
Converts immediately while user desire is hottest
Pricing Architecture: Ending Self-Cannibalization
Original: Undercutting Monthly Subscriptions
One-time Pass $4.9 (Cheaper than subscription)
Monthly Subscription $9.9 / mo
Enterprise Tier $19.9 / mo

Fatal Math Error: The trial bait cost less than the main dish. Rational users bought the one-time pass repeatedly, draining MRR.

Redesigned: "Freedom Tax" + Strategic Anchor
Monthly Subscription (Core) $12.9 / mo (Best Value)
One-time Pass (Freedom Tax) $16.9 (Higher than sub)
Flagship / Enterprise (Anchor) $49.9 / mo

Restructure Strategy: Want zero commitments? Pay the "Freedom Tax". This makes subscription the obvious bargain, while a $49.9 tier anchors the perceived value.

Strategic Logic: Phase 1 removed artificial friction by serving upgrade doors rather than barriers. Phase 2 aligned pricing dynamics so high-intent users naturally defaulted to recurring subscriptions.

Underlying Behavioral Principles
  • Anchoring Effect: Establishing a premium flagship tier creates a sharp price gap, making the core recurring tier feel sensible, safe, and cost-effective.
  • Decoy Effect & Eliminating Cannibalization: Raising the one-time pass above the subscription price flips psychology from "avoiding commitment" to "getting 30 days for less money".
  • Intent Windows: Intercepting users at their exact moment of value exhaustion—rather than demanding upfront registration—captures conversion momentum before it cools down.
CASE 03 · Product Strategy Product Strategy & Flow Redesign

"The features worked, but the premise broke."

* Strategic concept & behavioral redesign · No fabricated metrics

An AI assistant aimed at helping parents teach toddlers English. Beta users quit after 2–3 days. The AI performed flawlessly, but the product handed parents a blank canvas—demanding that non-educators interrupt real-life parenting to snap photos, wait on AI, and improvise lesson plans on the spot.

BEFORE · BLANK CANVAS Broken Interaction
🧸 Context: Parent playing with child
Friction: Pulling out phone shatters parent-child focus
Awkward Lag: Staring at a loading screen while child waits
📝 Blank Canvas Dread: Parents aren't curriculum designers; improvising sentences causes intense cognitive fatigue
AFTER · STRUCTURED ROUTINE Decoupled: Capture vs. Learning
Daytime · 3-Second Passive Capture
📸 Quick snap of daily items in seconds. The system compiles material quietly without derailing real-life presence.
Bedtime · 10-Minute Structured Routine
🌙 No Blank Canvas: The system automatically synthesizes daily photos into 3 bite-sized flashcard prompts. Parents simply read and engage.

Core Takeaway: "Capturing happens in real life; learning happens on a predictable schedule." Utility tools must never abandon users in front of an empty canvas—they must deliver structured, half-completed scaffolding.

Underlying Behavioral Principles
  • Jobs to be Done (JTBD): Parents aren't hiring the app to "train to become certified teachers." They are hiring it for "stress-free, high-quality family bonding that feels educational."
  • Blank Canvas Syndrome & Cognitive Load Theory: Unstructured inputs trigger decision paralysis. Tools must offer fill-in-the-blank scaffolding rather than open-ended essays.
  • Habit Loop Architecture: Replaces sporadic, high-friction disruptions with lightweight daytime collection followed by a predictable 5-minute nighttime routine.

Does Your Product Suffer From These?

01

Usage Without Monetization

You have healthy organic traffic and engaged users, but conversions won't budge. Buying intent is buried too deep with no intuitive triggers.

02

Solid Tech, Fragmented UX

Your engineering is exceptional, but new visitors can't decipher why they need the product within the first 10 seconds. Drop-offs are steep.

03

Feature Creep & Blurred Value

Shipping feature after feature has bloated the UI. The core value proposition is diluted, leaving both users and your team exhausted.

If your product is live but something persistently feels "off," I can help you pinpoint exactly why.

Work With Me

Product Teardown
¥4,800 from

For live products needing quick identification of top bottlenecks hurting activation, retention, or paywall conversion.

  • End-to-end product UX audit
  • Critical user flow friction teardown
  • Prioritized issue roadmap
  • Actionable redesign recommendations
  • 1× Review & strategy session
Product Advisor
¥20,000 / month

A flexible Product & Growth partner embedded alongside the founder to ensure high-conviction product choices.

  • Weekly UX & strategy decision support
  • Monetization & pricing logic design
  • Feature scoping & backlog de-bloating
  • Direct collaboration with founders & dev

Not sure where to start? Begin with a single Product Teardown.

Mengqi Pei

With 10+ years of experience across product and UX design, I previously led complex consumer workflows, growth mechanisms, and user experiences.

Today, I partner directly with founders and product builders to pinpoint: where users drop off, why they don't convert, and how to fix the product structurally.
Alibaba Lazada TikTok Shop Independent Consultant
Founder of Vibe Coding Club · A builder community in Wuhan. Continuously working on the frontlines with early-stage builders and AI products.

Have a product that feels
stuck or slightly off?

Send it over, let's talk through it.

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