5 tools in one · Chrome Extension · Free to start

The perfect
eBay decision.

Price history · Seller score · AI compatibility · Photo check · Verdict. All in 3 seconds — automatically, on every listing.

Add to Chrome — It's Free See how it works →

Works on 🇺🇸 eBay.com 🇬🇧 eBay.co.uk 🇩🇪 eBay.de 🇫🇷 eBay.fr 🇮🇹 eBay.it 🇪🇸 eBay.es

✓ 20 free analyses per day · ✓ No signup needed · ✓ Honey + Fakespot + AI in one click

CT ULTRAMAX

Industrial decision cockpit

💰

YOU SAVE

€110.00

26% below market price · Market: €410

BUY · Score 89

26.8% below market-adjusted median

Model

IM155-6DP

Brand

SIEMENS

Confidence

87%

Match Accuracy

76%

Decision

Strong buy signal. Price is significantly below comparable sold listings. Low risk profile.

// how we decide

5 analysis layers.
One clear verdict.

📈

Layer 1 — Price history

90-day price chart. We detect fake discounts — "it was already €80 for 6 months." Never overpay for artificial markdowns.

≈ Honey

🛡️

Layer 2 — Seller score

We analyse review authenticity and seller history. Scammers and unreliable sellers are flagged before you click Buy.

≈ Fakespot

🤖

Layer 3 — AI compatibility

"Does this part fit my model?" — instant AI answer based on product specs and your device. No more costly mistakes.

≈ Perplexity AI

👁️

Layer 4 — Visual verification

Vision AI analyses listing photos: are they real product images or stock photos? Does the item match the description?

≈ Google Lens + OCR

⚡

Layer 5 — Decision Layer

All 4 layers synthesised by AI into a single score. No more second-guessing — we tell you exactly what to do: BUY, WAIT, or AVOID.

Unique to CT Ultramax

BUY ✓

Fair price Verified seller Compatible

Score 94/100 · You save €110

// what you get

Everything you need
to buy smarter.

💰

Instant savings display

See exactly how much you save vs. market price the moment you open a listing. No guessing, no research needed.

🎯

Deal scoring 0–100

BUY, VERIFY, or SKIP — instant decision based on price, condition, market data and product identity analysis.

📊

Personal dashboard

Track total money saved, average deal score, best deals found and full analysis history across all sessions.

🔔

Price alerts

Add any listing to your watchlist. Get browser notifications when prices drop or deal scores improve significantly.

🔍

Product identity

Automatically identifies brand, model, variant and MPN from listing titles — even for industrial components.

⚡

Zero friction

Opens automatically on every eBay listing. No clicking, no setup, no account required. Just install and browse.

// how it works

Up and running
in 60 seconds.

Install CT Ultramax

One click from Chrome Web Store. No account, no email, no setup. Free to start.

Open any eBay listing

CT Ultramax activates automatically on every eBay product page. The panel appears in the top-right corner.

Read the score

See the BUY/SKIP decision, your potential savings in euros, and the full analysis breakdown in seconds.

Buy with confidence

Make smarter purchasing decisions. Add items to your watchlist for price alerts. Track total savings in your dashboard.

// pricing

Simple, transparent
pricing.

Free

€0/forever

Everything you need to start buying smarter on eBay.

✓ 20 analyses per day
✓ BUY / VERIFY / SKIP scoring
✓ Savings display
✓ 7-day analysis history
✓ Basic dashboard
– Price alerts & watchlist
– Unlimited history
– Opportunity feed
– Export CSV / PDF

Add to Chrome — Free

Stop overpaying
on eBay.

Free to install. No account required. Works in 60 seconds.

Add to Chrome — It's Free

20 free analyses/day · No credit card · Cancel anytime

The perfecteBay decision.

5 analysis layers.One clear verdict.

Everything you needto buy smarter.

Up and runningin 60 seconds.