ArbiKey vs ZIK Analytics
What's the Difference?
ZIK Analytics finds products worth listing. ArbiKey tracks whether the products you listed actually made money. They answer different questions — serious sellers need both answers.
ZIK Analytics answers "should I sell this?" ArbiKey answers "did this actually make me money?" These are different questions at different stages — ZIK operates before you list, ArbiKey operates after you sell.
Side-by-side comparison
| Feature | 🔵 ArbiKey | 🔍 ZIK Analytics |
|---|---|---|
| Real net profit after all eBay fees | ✓ Core feature | ✗ Not available |
| Live ECB exchange rates | ✓ Hourly updates | ✗ Not available |
| Sales history & profit tracking | ✓ Full history | ✗ Not available |
| Category-specific eBay fee calculation | ✓ All categories | ⚠ Basic estimate |
| Monthly profit dashboard | ✓ Full dashboard | ✗ Not available |
| Return tracking & profit reversal | ✓ Automatic | ✗ Not available |
| Pre-sale breakeven calculator | ✓ Full calculator | ⚠ Basic margin tool |
| eBay product research & trends | ✗ Not ArbiKey's focus | ✓ Core feature |
| Sell-through rate analysis | ✗ Not included | ✓ Core feature |
| Competitor & niche analysis | ✗ Not included | ✓ Core feature |
| Product database (950M+ items) | ✗ Not included | ✓ 950M+ products |
| Free plan — no card required | ✓ 30 products forever | ✗ Paid from day one |
| Starting price | Free → $9.99/mo | From $29.99/mo |
Where each tool fits in your process
A well-run arbitrage operation has two phases. ZIK and ArbiKey each serve one of them.
Phase 1 — Find products · ZIK Analytics
- ✓Research which Amazon products sell on eBay
- ✓Analyse sell-through rates and competition levels
- ✓Find niches with low seller competition
- ✓Check historical price and volume data
- ✓Validate a product before sourcing
Phase 2 — Track results · ArbiKey
- ✓Calculate exact net profit after every eBay fee
- ✓Apply live ECB rates for cross-border sales
- ✓Track real sales performance vs projections
- ✓See which sourced products are actually profitable
- ✓Log returns and measure margin impact
ArbiKey picks up where ZIK leaves off. ZIK shows you what sells. ArbiKey shows you whether it was worth sourcing — after eBay's cut, after shipping, after the exchange rate.
Common questions
ZIK shows profit estimates — why do I need ArbiKey?
ZIK's estimates use approximate fee rates and static pricing. ArbiKey calculates actual net profit using exact eBay category fees, live ECB exchange rates, your real shipping cost, and promoted listing spend. For EU sellers, the difference can be 3–5% of margin.
Can I use ZIK Analytics and ArbiKey together?
Yes — this is the recommended workflow. Use ZIK to find high sell-through products. Then use ArbiKey's pre-sale calculator to verify the exact net margin before sourcing. After the sale, ArbiKey tracks whether the product delivered.
Is ArbiKey cheaper than ZIK Analytics?
ArbiKey starts free (30 products, no card) and paid plans start at $9.99/month. ZIK Analytics starts at $29.99/month with no free tier. They solve different problems — the comparison is about which gap you need to fill, not price.
Complete your eBay arbitrage toolkit
ZIK finds the products. ArbiKey tracks whether they actually made money after every fee and exchange rate.