Should I get the iPhone 7 or 6s?

In terms of Camera which is better? Also i really like music but i heard there's no headphone jack.

but i'm more into the camera so

You basically asking should I get the water resistant phone or the no water proof phone

There's only a slight improvement between the 7 and 6s (in regards to the camera) however the camera on the 7 plus is amazing, I have it myself.
If you are looking to go pro, definitely the 7+.

As for the headphone jack situation on the 7, you can listen to music with your normal wired ear/headphones but they require a dongle that you attach onto the end and put into the charging port. The dongle is available in the box with the phone. The phone also comes with a pair of earphones that are already suited to putting into the charging port, so you do not need a dongle. If you use wired earphones this means you can't charge and have them plugged in at the same time.

To solve this issue, you can get wireless headphones. If you want quality wireless headphones without breaking the bank, I recommend skull candy. They can be found as low as £20.

Of course, you can go higher end and buy the more expensive wireless headphones but this is all up to you.

Hello friend continue reading this as this can help you in your selection.

Camera - In Primary one iphone 7 has a 12 MP camera, f/1.8,28mm, phase detection autofocus, OIS, quad-LED (dual tone) flash, check quality. While iphone 6s has a 12 MP camera, f/2.2,29mm, phase detection autofocus, dual-LED (dual tone)flash, check quality. While talking about Secondary one iphone 7 has a 7 MP camera, f/2.2, 32mm, 1080p@30fps,720p@240fps, face detection, HDR, panorama. While iphone 6 has a 5 MP, f/2.2, 31mm, 1080p@30fps, 720p@240fps, face detection, HDR, panorama.

Music - You are right in this that iphone7 does not have a 3.5mm jack while 6s have. Also both have a Active noise cancellation with dedicated mic.

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The 7's camera is better of course.

As far as music, you could get wireless headphones or just stick with the included adapter.

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IPhone 7