features, best option, own kt jl ce ca ks cw ..
*iPhone compare: weight, 17 2025 ce 6.3" 12GB 256GB heavy; 16 2024 AI 8GB; 15 2023 ca USB-C Dynamic Island; 14 6GB Satellite SOS crash detection; 13 128GB heavier thicker tougher front glass; 12 2020 mini jl 5G MagSafe ceramic shield lightest smallest; 11 2019, XR 2018 cw heavy; X 2017 ca
*iPhone Air/Plus/Pro Max 17A 2025 kt 6.5" 12GB 256GB, 17PM heavy thick; 16PM 2024 6.9" jl, 16+ 6.7" AI 8GB; 15+ 2023 USB-C DI, 15PM 8GB is 10% heavier than +; 14 Pro 2022 precision dual-frequency GPS, 14+ 2023 kt 6GB, 12PM 2020 jl 6.7" 6GB 5G MagSafe
*iPhone Pro: 17P heavy thick 12GB 12GB 256GB; 16P 6.3" 2024 camera button; 15P 8GB AI smaller thicker lightest; 14 13 Pro heavier; 12 Pro 2020 6GB LiDAR Augmented Reality AR; 11 thick, heavy
*iPad Pro 13" M4 2024 OLED lighter/thinner; 12.9" 6 2022 M2; 5 2021 M1 8GB AI thicker heavier; 4 2022 LiDAR 6GB, 3 2018 ce face ID smaller, thinner, lighter, USB-C; 2 2017 ch, 1 2016 4GB
*iPad Pro 11" M4 2024 OLED lighter/thinner; 4 2022 M2; 3 2021 ca M1 8GB AI; 2 2020 LiDAR 6GB;
*iPad Air 13" M3 2025; M2 2024 kt vs Pro 3 2018
*iPad Air: M3 2025; M2 2024; 5 2022 M1 8GB AI; 4 2020 cw 10.9" 4GB no front button USB-C; 3 10.5" 3GB larger; 2 2014 cw 2GB thinner antireflective; 1 2013 jc 9.7" 1GB
*iPad: 11" A16 2025; 10.9" 10 2022 jl wider thinner lighter 4GB no front button USB-C; 10.2" 9 2021 ks, 8, 7 larger (same as Air 3 but thicker) 3GB; 6 Apple Pencil, 5 2017 ks 9.7" touch ID smaller thinner lighter (same as Air 1); 4, 3 thicker heavier 1GB; 2 2011 smaller, lighter 512MB; 1 256MB
*iPad mini: mini 6 2021 8.3" no front button USB-C; 5, 4 7,9" thinner lighter larger; 3 touch ID; 2
*watch: 11 U3 2025 5G/sat; 10 2024 larger thinner lighter LTPO3 ticking second, no o2 sensor since 1/18/24; 9 U2 2023 kt hypertension/sleep apnea S9 64GB; Ultra 2022 2% larger L5 GPS; 8 2022 jl temperature, crash detection; 7 2021 larger; 6 2020 jl blood oxygen sensor, always-on altimeter; 5 always-on display, compass; 4 2018 cw larger, cellular, ECG, fall detection; 3 barometric altimeter; 2 GPS sapphire crystal on stainless steel; 1 heart rate monitor
FDA - Artificial Intelligence-Enabled Medical Devices search Apple
FDA-approved Medical Devices that Incorporate Sensor-based Digital Health Technology - search QZW
Apple Watch Accelerometer-Based Breathing Analysis, Technical and Feature Description sensitivity 66.3% specificity 98.5%
Could an Apple watch really tell you if you have high blood pressure? Hypertension notification HTNF Sensitivity: 41.2% Specificity: 92.3%
Samsung Galaxy Watch Sleep Apnea SpO2 sensor sensitivity 82.6% specificity 87.69%
