Renewed Smart Watch Checklist: Apple vs Samsung
By Betterbuyclub: The Ultimate Solutions for Electronics, and ... | Published: 2026-10-19
Category: Buying Guides
Before buying a renewed smart watch, check compatibility, condition grade, battery health, and warranty. Compare the Apple Watch Series 9 and Samsung Galaxy Watch 3 to find your best fit.
Quick answer
Start by confirming your phone's OS, then check the watch's condition grade, battery health, and return policy. The Apple Watch Series 9 works only with iPhones, while the Samsung Galaxy Watch 3 supports Android and iOS but with limited features on iPhone.
Why condition grade matters more than price
Renewed watches are often labeled as Grade A (like new), Grade B (light wear), or Grade C (visible scratches). A lower price on a Grade C watch might hide a worn battery or scratched screen. Always check the seller's grading scale before comparing prices.
Battery health is rarely listed on renewed watches. Ask the seller for the battery cycle count or estimated capacity. For the Apple Watch Series 9, a battery below 80% capacity may not last a full day.
Compatibility: the dealbreaker most people miss
The Apple Watch Series 9 is locked to iPhones. If you use an Android phone, skip this model entirely. The Samsung Galaxy Watch 3 works with Android 5.0+ and iPhone 5+ (iOS 9.0+), but you lose features like ECG and blood pressure monitoring on iOS.
If you switch phones later, your watch may become less useful. Plan for your next phone, not just your current one.
Your renewed smart watch decision rules
- 1. Confirm phone OS first: If you have an iPhone, both watches work, but the Apple Watch Series 9 gives full features. If you have an Android phone, choose the Samsung Galaxy Watch 3.
- 2. Check condition grade and battery: Look for Grade A or B. Ask the seller for battery cycle count or capacity. Avoid watches with less than 80% battery health unless you plan to replace the battery. Request a screenshot of the battery health screen before buying.
- 3. Verify warranty and return policy: Renewed watches should come with at least a 30-day return window and a 6-month warranty. Without these, you risk getting a device with hidden defects. Save the seller's warranty terms as a PDF or screenshot.
Product facts at a glance
- Apple Watch Series 9 GPS 45mm Aluminum Case with Midnight Sport Band (Small/Medium) - Midnight: Apple Watch Series 9 features double tap, an even-brighter display, faster on-device Siri, and Precision Finding for iPhone. These features rely on the iPhone ecosystem, so this watch is only a good choice if you already own or plan to buy an iPhone.

Apple Watch Series 9 GPS 45mm Aluminum Case with Midnight Sport Band (Small/Medium) - Midnight - Samsung Galaxy Watch 3 41 mm Smartwatch (Mystic Silver) SM-850NZSAINU: Samsung Galaxy Watch 3 has a 360x360 Circular Super AMOLED display, precision rotating bezel, sleep monitoring, blood oxygen, and up to 43 hours of battery life. The rotating bezel makes navigation easy without touching the screen, and the 43-hour battery means you can skip a night of charging.

Samsung Galaxy Watch 3 41 mm Smartwatch (Mystic Silver) SM-850NZSAINU
Which watch fits you?
Best for
- iPhone users who want the latest features and seamless integration
- Android users who prefer a traditional watch design with a rotating bezel
Not for
- Android users considering the Apple Watch Series 9 (it won't work)
- iPhone users who need ECG and blood pressure monitoring (Samsung Galaxy Watch 3 lacks these on iOS)

