Kitesource

I've been using Bundle Kit for almost a year now and it does exactly what it I need it to. The additional functionality of allowing me to add a product / variant to multiple bundles at once saves me a ton of time. If you have products with multiple options with multiple variants... give this app a try! Update: Recently, after seeing some irregularities in my inventory levels and troubleshooting with Ian @ Bundle Kit, which turned out to be a Shopify issue, am happy to say I'm still really happy to be using Bundle Kit. The support, though not immediate, was friendly, thorough and found the root cause of the issue in 2 emails.

Using the free tier for the time being and really appreciate the simplicity and speedy support resolving my issue (upgrading to Store 2.0 theme). The ability to specify badges via tags is very powerful and I foresee myself upgrading into a paid plan as the need arises for dynamic or meta requirements. Great work Laksh and Manoj

Been using Upsell for a couple months now.. no complaints at all, exactly what I was looking for. Non urgent support request was addressed immediately and code alteration / resolution provided within 3 days. I've submitted some feature requests to (in my opinion) improve the product for everyone and we'll see if they incorporate them!