Phone Depreciation Calculator
Track how your smartphone loses value over time. Enter your phone brand, purchase price, and age to see the current resale estimate, year-by-year depreciation curve, and the optimal time to sell or trade in before value drops further.
How Phone Depreciation Works
Smartphones depreciate faster than almost any other consumer product. The average phone loses 30-50% of its value in the first year alone, driven by rapid technology cycles, new model releases, and the perception that older phones are obsolete. Unlike cars, which can last 15-20 years, phones are typically replaced every 2-4 years, creating a steep depreciation curve. Understanding this curve helps you make smarter decisions about when to buy, when to sell, and whether to invest in flagship or budget models.
The depreciation rate varies significantly by brand. Apple iPhones consistently retain the most value, losing approximately 25-35% in the first year and retaining 40-50% after two years. Samsung Galaxy phones depreciate faster, typically losing 40-50% in year one due to frequent sales and wider model range. Google Pixel phones fall in between. Budget phones from brands like Xiaomi and Motorola lose value fastest — often 50-60% in the first year — because their low starting price means the absolute resale value drops quickly to near-zero.
Best Time to Sell Your Phone
The optimal selling window for maximum value recovery is 10-14 months after purchase, just before the manufacturer announces the next model. For iPhones, this means selling in August-September before the new iPhone launch. For Samsung Galaxy S series, sell in December-January before the February launch. For Google Pixel, sell in September before the October release. Selling during this window can net you 50-65% of your original price compared to 30-40% if you wait another year. The two weeks immediately after a new model announcement see the sharpest drop in resale value for older models.
Factors That Affect Phone Resale Value
Beyond brand and age, several factors influence your phone's resale value. Storage capacity matters — 256GB+ models retain value better than base 64GB or 128GB models because storage cannot be upgraded. Color affects value too — popular colors like black and white sell faster than niche colors. Physical condition is critical: a cracked screen reduces value by 30-50%, while a phone in excellent condition with original packaging commands a 10-15% premium. Battery health above 85% is increasingly important as buyers become more aware of battery degradation. Phones that are carrier-unlocked are worth 10-20% more than locked devices.
Depreciation by Brand Compared
Apple leads in value retention: an iPhone retains roughly 65-70% after one year and 40-50% after two years. Samsung retains about 55-60% after one year and 30-40% after two years. Google Pixel retains 50-55% after one year and 25-35% after two years. OnePlus retains 45-50% after one year. Xiaomi and budget brands retain only 40-45% after one year. These differences mean that a $999 iPhone might sell for $650 after a year, while a $999 Samsung might only fetch $550 — a $100 difference that makes the iPhone effectively cheaper to own over time despite the same purchase price.