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You built it.
We check it.

You wouldn't publish a book without an editor. Get a professional second opinion on your AI-built app.

Free. No signup. Results in 60 seconds. Your code stays private.

What we do

Check it. Fix it. Keep it running.

Whether it's a routine review, a full upgrade, or a 2am emergency — we've got you.

🔍

Check

A professional review of your app — security, performance, architecture — explained so you can actually understand it.

From $0
⚒️

Upgrade

We take your AI prototype and make it production-ready. Fixed price, before-and-after proof, no surprises.

From $2,500
📱

Emergency

App down? Payment system broken? Something critical at midnight? A real engineer responds in under 2 hours. 24/7.

Call anytime
The check-up

Plain English. Real answers.

No jargon. No mystery. A report card you can actually read.

📱
my-saas.vercel.app
Built with Lovable • Next.js + Supabase
C+
🔒
Security
3 things that need attention
Fix these
⚡
Performance
Loads well, a few things to tune
Looking good
🧱
Architecture
Some files getting hard to change safely
Watch this
🤖
AI Patterns
14 things the AI left unfinished
Worth reviewing
📈
Scale
Will slow around 50 simultaneous users
Fix these
Your payment key is visible to visitors. Someone could make charges on your account.
Users can see each other's private data. Your database doesn't restrict who sees what.
Pages load slowly on phones. Your app sends 4 MB of code — standard is under 300 KB.
How it works

From "I hope it's fine"
to "I know it is."

1

Free Check-Up

Paste your link. We scan your app and give you a grade with clear explanations. Like a doctor's visit — routine, not scary.

Free • 60 seconds
2

Expert Review

A senior engineer goes through your app personally. You get a full report, a fix plan, and a 15-minute call to walk you through it.

$299 • 24 hours
3

Production Upgrade

We fix everything. Security tightened, performance tuned, code cleaned up. Before-and-after scores so you see the proof. Fixed price.

$2,500 – $15,000 • 1–6 weeks
4

Ongoing Care

We keep watching so you don't have to. Weekly scans, monthly reports, and an engineer on call. Like having a CTO on speed dial.

$99/mo
What we look at

Six things worth checking
before you launch.

AI tools are getting remarkably good. But you can't be 100% sure without a human verifying the result.

🔒

Security

Are your doors locked? Can strangers see your users' data? Are your keys actually hidden?

⚡

Performance

How fast does it load? Does it stay fast with real people using it?

🧱

Architecture

Is it organized well? Can you add features without everything falling apart?

📦

Dependencies

Your app uses hundreds of small building blocks. Are any of them outdated or unsafe?

🤖

AI Patterns

Unfinished features, debug messages, placeholder code — things AI commonly leaves behind.

📈

Scale

Works with 10 users. What about 1,000? We find the bottlenecks before your users do.

Emergency

Things break.
We're here.

Production down? Users complaining? Something critical at the worst possible time? Don't panic. We've been there. We'll fix it.

  • Under 2 hours response, 24/7
  • Senior engineer, not a chatbot
  • Fix first, invoice later
  • Post-incident report included
📞

Need help now?

Tell us what's happening. An engineer will be in touch within 2 hours.

Get emergency help
Results

Real apps. Real improvements.

D
→
A
“The check-up found our payment key was visible to every visitor. Could have cost us thousands. Fixed in 5 days.”
Sarah M., founder
Subscription SaaS • Built with Lovable
D
→
B
“Our app crashed at 200 users. CodeLend found 23 silent errors. Now we handle 5,000+.”
James K., indie hacker
Marketplace • Built with Cursor
C
→
A
“Investor wanted a technical review. CodeLend handled it. We closed our seed round two weeks later.”
Priya R., co-founder
Fintech • Built with Bolt
B
→
A
“Nothing was broken. I just wanted to know. The peace of mind was worth every penny.”
Daniel T., founder
Booking platform • Built with Bolt
The badge

Show the world your app's
been verified.

Embed a live badge on your site. Investors, users, and partners can click it to see your status.

🛡CodeLend Verified
Updates automatically. Links to your live report.
Revoked if issues aren't addressed.
Embed codeCopy
<a href="https://codelend.com/r/your-app">
  <img
    src="https://codelend.com/badge/your-app.svg"
    alt="CodeLend Verified"
    width="180"
  />
</a>
Questions

You might be wondering

I'm not technical. Will I understand the results?
Completely. Everything is in plain English. We explain what we found, how serious it is, and what to do — like a doctor explaining your results, not reading a lab report at you.
Is my code safe with you?
We never store your code. The scan runs, generates the report, and deletes everything. We're engineers ourselves — we know how important this is.
Can't AI just check itself?
AI tools are getting remarkably good — but you can't be 100% sure without a human verifying the result. We're a second pair of eyes, not a replacement.
How is this different from hiring someone on Upwork?
Upwork requires you to be technical enough to evaluate who you're hiring. We handle everything. You get a clear report, a clear grade, and if the upgrade doesn't improve your score, you don't pay.
What if my app is actually fine?
Then the check-up will confirm it, and you'll sleep better. About 15% of scans come back healthy. We'll still suggest small improvements, but you won't need an upgrade.
Pricing

Transparent. No surprises.

Check-Up
$0

Automated scan. See your grade.

  • Security scan
  • Performance check
  • Letter grade
  • Plain-English findings
Get check-up
Expert Review
$299

A senior engineer reviews your app.

  • Everything in Check-Up
  • Human expert review
  • Architecture assessment
  • Fix plan + priorities
  • 15-min walkthrough call
  • Verified badge
Get reviewed
Upgrade
$2.5K+

We fix it. Ready to grow.

  • Everything in Review
  • All issues fixed
  • Security hardened
  • Performance tuned
  • Before/after proof
Get a quote
Care
$99/mo

We watch it so you don't have to.

  • Weekly scans
  • Monthly expert check-in
  • Emergency response (2hr)
  • 1hr included dev time
  • Badge stays active
Start care

Every app deserves
a second opinion.

Free check-up. 60 seconds. No signup.