RECOMMENDATIONS
STRENGTH
Pros: good quality, versatile, includes various resistance intensities, easy to attach to doors and pillars so you can do a variety of strength exercises targeting various body parts.
Cons: not durable for supporting your entire bodyweight (like inverted rows). Take a look at Suspension Trainers below if you need to do those types of exercises.
STRENGTH
Pros: very durable, can be easily hooked up to doors and pillars for a variety of bodyweight exercises that support your whole body (like inverted rows).
Cons: more expensive than resistance bands, hard to target specific body parts since it can only be used for exercises utilizing your body as resistance. For instance, you can't do shoulder presses.
STRENGTH / MOBILITY
Pros: cheap, great for lower-body exercises.
Cons: doesn't have much use for upper-body exercises.
Strength
Pros: compact, quick and easy to switch weights, you don't need to buy an entire dumbbell set that takes up a lot of space.
Cons: the shape is clunky and may feel unnatural to some people.
BODYWEIGHT ROUTINE BUILDER
This Travel Strong blog post does a great job laying out the 4 basic movements you want to do for a full body workout, and then listing the bodyweight progressions for each.
Simply pick the variation you can do 3 sets of 8-12 reps. Insert 1-1.5 minutes of rest in between sets. Stick to it 2-3x every week. And you'll see muscle and strength gains.
workout builder & tracker
It's free and elegant. If you aren't tracking your workouts, you're suffering from f*ckarounditis.
If you have access to a gym, the app has some solid sample routines out-of-box that you can use (no excuses for getting started!)
You can create your own workout routines easily (including bodyweight ones). Tracking is simple. And your stats are easy to view.
