Cost is just one of the many factors that play into replacing glass on an iPhone 6s Plus. Tips on Mobile App Design and Development
Repair Options
Great service: The vast majority of Apple services provide display screen substitutes with authentic parts, so your phone will look and execute like new. You should do the same to protect your warranty and device.iPhone 6s Plus repair (ad)
This is probably your best bet: because aside from providing competitive services, third-party repair shops can also get the job done quicker and cheaper than going through official channels. However, the parts used can differ in quality, thus impacting how long you will maintain the repair.
Tech savvy owners can even opt for DIY repair kits However, going this way is a little risky as it may end up hurting your device more if not done right.
Warranty Considerations
This will give you a better sense of what level your warranty is at in relation to the repairs that you wish. Should your device be under warranty or you have AppleCare+ then repairs could be at a discount, or even free depending upon the nature of the damage. The standard warranty would not typically cover damage due to an accident, however AppleCare+ may.
Additional Factors
Warranty for Repairs: Repair shop turnaround times vary widely. Authorized providers may be slower due to part availability or more complex diagnostics than local repair shops.
Warranty: work done by similar service performed has warranty in terms of parts and labour so you do not have to worrych about the work/support being done with spare parts.
So the final tally: while prices are a big part of the equation for where to replace an iPhone 6s Plus screen, think about service as well as whether or not your warranty could be voided and how long will it take.