The used market / Buying guide
What is a used iPhone really worth in Poland?
Two similar listings. A few hundred złoty apart. Before calling one a bargain, make sure you’re comparing the same thing.

Same model. Same storage. Similar condition.
An iPhone 14 with 128 GB and a worn battery is a different purchase from a 256 GB phone in good condition. Comparing them as one model makes the cheaper listing look better than it may be.
Choose a specific version first. Then read the description for battery condition, repairs and damage. A low asking price only tells you where to start looking.

One cheap listing doesn’t reset the market.
The median is the middle price in a sorted sample. It gives you a reference for a typical listing without letting one unusually high or low price dominate the average. It is still an asking price, not proof of what buyers paid.
OKAZJO separates the listing median, estimated resale price and suggested buying price. Read them as different reference points: what sellers ask, what the tool estimates, and a possible purchase target.
Compare the same model and time period when checking a trend. A falling estimate can help you reconsider your budget; it doesn’t mean every phone has become cheaper overnight.
Decide your budget before the next listing.
Write down the most you want to pay and the condition you’ll accept. If you resell, leave room for repairs and your costs. That makes it easier to judge a new offer without rushing.
Your tracked models and market estimates are available inside OKAZJO after signing in. Treat an estimate as a starting point, then check the actual phone and its seller before making a decision.
Compare the version → check the condition → read the market → set your budget.