iPhones last long due to a combination of superior hardware quality, longer software support (5-7+ years of iOS updates), tightly integrated hardware/software optimization, higher-quality components (like flash storage), strong repairability, and features that manage battery health, all contributing to better user experience and value over time, leading people to keep them longer than many other phones.
Apple's hardware and software are both built in conjunction with each-other and designed from the ground up for eachother. When it comes to a fluid user experience over a long span of time, this gives the iPhone a significant advantage over Androids in terms of longevity.
iPhones generally last 4-10 years, with most users upgrading around 3-4 years for new features, but Apple provides long-term software support (often 6+ years of iOS updates and security patches), meaning hardware can last much longer, especially with battery replacements and care, often reaching 5-7 years or more of solid use before major performance drops or app incompatibility issues arise.
Faster drain on older iPhones is primarily a consequence of reduced battery capacity and increased internal resistance combined with software and app behaviors that demand more power.
The 20-80 rule for iPhones suggests keeping the battery charge between 20% and 80% to minimize stress on the lithium-ion battery, thereby extending its overall lifespan and health by avoiding the high-stress points of full discharge (0%) and full charge (100%). While not a strict necessity for daily use, this practice reduces battery degradation by avoiding deep discharges and the taxing final 20% of charging, helping maintain battery capacity longer, though modern iPhones have built-in features like Optimized Battery Charging to manage this.
To prolong your iPhone's battery lifespan, it's best to keep the charge between 20-80%. This range minimizes the stress on the battery, reducing wear and tear over time. Avoid letting the battery completely drain or fully charge regularly, as this can accelerate battery degradation.
Identify Your Usage Habits
For example, streaming videos or music, making calls, and gaming on the go typically cause your battery to drain much more quickly. Other culprits of battery draining include active applications in the background or constantly updating, such as real-time weather apps.
Avoid extreme ambient temperatures.
It's especially important to avoid exposing your device to ambient temperatures higher than 35° C (95° F), which can permanently damage battery capacity.
For Android phones with LCD screens, the battery savings from dark mode are minimal. However, Android devices often come with additional power-saving features, such as battery-saver mode, which can help extend battery life. These modes often work in conjunction with dark mode to reduce overall power consumption.
Top 4 Phone Brands with the Longest Lifespan
iPhone battery's maximum capacity
It starts out at 100% (or just under), and as the battery ages, capacity decreases, which means you get fewer hours between charges. If the number you see under Maximum Capacity is more than 80%, you have a healthy battery, according to Apple.
Both iPhone and Android have users across genders but men lean more toward Android, while women slightly favor iPhones. While Android is the most popular choice globally, younger generations like Gen Zs and Millennials are still more likely to be iPhone adopters.
In contrast, the Samsung Galaxy metal frame is thinner and does not absorb shocks and impact as well, leaving the screen to be vulnerable. In my opinion, Samsung Galaxy screens break more than iPhones due to having a thinner metal frame as well as having less of an edge around the screens like the iPhones.
For optimal battery health, the recommended battery percentage to charge your phone is between 20% and 80%. It's best to avoid extremes, such as letting the battery reach too low to 0% or consistently charging it to 100%.
The 80/20 battery rule suggests keeping lithium-ion batteries (like in phones, laptops, EVs) between 20% and 80% charge for daily use to maximize long-term health and lifespan, avoiding the stress of full discharges (below 20%) and prolonged full charges (above 80%) that degrade battery chemistry faster, though modern devices have built-in optimizations. It's a guideline, not a strict law, balancing battery longevity with convenience, as charging to 100% or dropping below 20% is fine for occasional use.
One of the primary reasons for battery drain on iOS is the usage of resource-intensive apps. Apps that use location services, background refreshing, and other intensive features can significantly impact battery life.
According to the "40-80 Rule", lithium-ion batteries, like the ones inside iPhones, work best when they are between 40% and 80% of their capacity. When they are too full or too low, they experience more wear and lose their ability to hold a charge over time.
Why is my Android phone dying so fast?
⚠️ Apple is warning users not to sleep next to their iPhones while the device is charging, especially under pillows or blankets. The company says doing so can restrict airflow and cause overheating — posing a fire, burn, or electric shock risk.
Also, look for apps with unusually high usage and consider force-stopping or uninstalling them if they're not essential. Restart your phone: Restarting your Android-powered phone can often resolve temporary software glitches that may be contributing to battery drain.
WhatsApp. The app's constant background activity to sync messages and notifications significantly drains the battery. Its frequent use of media and real-time communication features also contribute to high battery usage, draining your phone's battery.
According to researchers, dark mode on an OLED smartphone will save 3 to 9 percent of the power when used at 30 to 50 percent brightness, usually in line with the automatic brightness level. In summary, the higher the brightness when switching from light mode, the greater the battery savings, both on iOS and Android.