Wonder Signal

What it does

Wonder Signal — professional network speed test for iOS: upload/download, ping, jitter, packet loss, Wi‑Fi & cellular, history charts, scenario presets, and advanced custom tests—all processed on-device.

Wonder Signal is built for people who want numbers behind “Wi‑Fi feels slow.” Beyond headline Mbps, you get ping, jitter, and packet loss in one pass so lag spikes and dropouts have nowhere to hide. Tests stay on your phone—no uploading your browsing habits—while history and charts show whether upgrades or carrier swaps actually changed reality. Presets simulate streaming, gaming, conferencing, or fat file pushes so pass/fail is obvious before you commit to a session. Measure upload & download throughput plus ping, jitter, and packet loss—pinpoint why calls stutter or downloads stall beyond a single Mbps headline. Run reliable tests on Wi‑Fi, 5G, 4G/LTE, or older radios—switch networks and…from wonderda.com

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