Full flight data (and graphs) can be had from the FS Mini, AltimeterThree, PerfectFlite Pnut, Altus Metrum MicroPeak, Adrel ALT-BMP.
Each of these requires some way to communicate with a computing device to get the graphs out. The first two use bluetooth (not WiFi, Rich, just bluetooth) to talk to a smart phone/tablet. The next three all use some kind of external gadget that ends up in a USB plug for your computer. Pnut supports Windows and MacOS (though the app is only 32bit, so it won’t work on the latest versions of MacOS). MicroPeak uses a Java app that runs on Windows, MacOS or Linux. Adrel’s unit (US dealer is North Coast Rocketry) requires Windows, specifically Windows 10 for the current version. The Adrel is alone among the latter three in that there is no way to get data out of it—even apogee—without a computer and interface. MicroPeak flashes its LED, Pnut beeps a beeper.
If I were you I’d get an FS Mini (or two) from Russ and/or ping John Beans to see when A3s will be back in stock.