Image-Charts vs QuickChart
Same instrument, two spec sheets — measured, not claimed.
Image-Charts vs QuickChart: common questions
Which is more reliable, Image-Charts or QuickChart?
On our scheduled checks, QuickChart leads on measured uptime — Image-Charts at —% versus QuickChart at —% 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 Image-Charts and QuickChart need an API key?
Neither needs a paid key — Image-Charts is callable with no signup, and QuickChart is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Image-Charts and QuickChart from the browser?
Neither sends browser-friendly CORS headers reliably, so call Image-Charts and QuickChart from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are Image-Charts and QuickChart free for commercial use?
Image-Charts has unclear commercial terms, and QuickChart 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.