Open Signal App Review. Opensignal is a free to use, advert free mobile connectivity and network signal speed test app. Privacy isn’t an optional mode — it’s just the way that signal works.
Every message, every call, every time. Signal app and the signal protocol are their flagship offerings. Signal is primarily a secure and open source messaging app that replaces your android phone or iphone’s regular sms app.
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No estimates, predictions or best case scenarios. Opensignal speed tests measure your mobile connectivity and signal strength. Opensignal is a free to use, advert free mobile connectivity and network signal speed test app. The app is rated 4.6 out of 5 stars on the google play store and 4.8 on the app store.