A pilot's forum question comparing the iPad Air 4 versus the 10th-generation iPad for cockpit use with ForeFlight highlights a recurring but consequential decision point for pilots building an EFB (Electronic Flight Bag) setup on a budget. Both devices are being evaluated at roughly the same secondhand price point, with the buyer correctly noting that cellular connectivity is a non-issue given the plan to pair the tablet with an ADS-B In receiver such as a Sentry, which provides GPS position, weather, and traffic data over Bluetooth or WiFi regardless of whether the iPad itself has a cellular modem. This is a smart cost-saving move, since cellular-equipped iPads typically carry a premium for a feature that becomes redundant once an external ADS-B source is in the panel bag.
The more substantive question, longevity of ForeFlight support, gets to the heart of why hardware selection matters for working pilots and flight schools alike. The iPad Air 4 (released late 2020) runs on the A14 Bionic chip, while the iPad 10th generation (released 2022) also uses the A14 Bionic. Because ForeFlight's minimum iOS/iPadOS requirements and feature support are tied to Apple's software update lifecycle rather than raw specs, and both devices share the same silicon, they are likely to receive iPadOS updates on a similar timeline going forward, generally in the four-to-six-year range from release. The Air 4's screen is smaller (10.9") but has a fully laminated, higher pixel-density display favored by many pilots for glare and readability in bright cockpit conditions, along with Apple Pencil 2 support, which is useful for annotating charts or plates. The base 10th-gen iPad has a larger 10.9" screen too but a non-laminated display and only supports the first-generation Pencil with an awkward adapter, which matters less for chart annotation but is a factor some buyers weigh.
For pilots and flight departments, this kind of decision reflects a broader trend in aviation technology: EFBs have become mission-critical infrastructure, yet the underlying consumer hardware is subject to the same planned-obsolescence pressures as any other iPad. Flight schools, charter operators, and even Part 135 and corporate flight departments standardizing on iPad-based EFBs need to track Apple's OS support windows closely, since ForeFlight periodically raises its minimum iPadOS version to leverage newer APIs (better ADS-B integration, synthetic vision, improved SafeTaxi rendering, etc.), and a device that falls off the supported list can suddenly lose critical functionality mid-subscription. This is why many charter and corporate operators favor slightly newer, higher-margin hardware even at added cost, treating the EFB refresh cycle similarly to avionics upgrades rather than personal consumer electronics.
More broadly, this thread is emblematic of the democratization of EFB technology in general aviation. A decade ago, panel-mounted GPS and paper charts dominated primary training; today, a $200 secondhand iPad paired with a $200-$500 ADS-B receiver delivers weather, traffic, terrain, and geo-referenced approach plates that rival or exceed what corporate flight departments used in dedicated avionics just fifteen years ago. The tradeoff is that student pilots and owner-flown GA operators must now also become amateur IT managers, tracking software compatibility, battery health on aging tablets, and mounting solutions, responsibilities that professional pilots in fleet operations typically offload to a dedicated avionics or IT department managing standardized, centrally provisioned EFB hardware.