iTunes vs MarketAux
Same instrument, two spec sheets — measured, not claimed.
iTunes vs MarketAux: common questions
Which is more reliable, iTunes or MarketAux?
On our scheduled checks, iTunes leads on measured uptime — iTunes at 68.6% versus MarketAux at 0.0% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Do iTunes and MarketAux need an API key?
iTunes needs no key, while MarketAux requires a free API key. If you want to start calling without signup, reach for iTunes first.
Can I call iTunes and MarketAux from the browser?
Neither sends browser-friendly CORS headers reliably, so call iTunes and MarketAux from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are iTunes and MarketAux free for commercial use?
iTunes has unclear commercial terms, and MarketAux has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.