SwipeReel and ReelUp both turn Instagram Reels and TikToks into shoppable widgets on a Shopify
Both apps import Reels and TikToks and place them in carousels, stories and overlay-style widgets, so the core job is covered either way.
SwipeReel's free plan has unlimited views, unlimited feeds and 25 uploads with 5 live videos; ReelUp uses usage tiers based on views or orders, with current numbers on its App
On SwipeReel the free plan allows one product tag per video and Pro allows unlimited; on ReelUp check the listing for what each tier includes.
The only speed comparison that counts is PageSpeed Insights on your own theme before and after each install, one app at a time.
For a store that stays within 25 uploads and 5 live videos, SwipeReel is free with unlimited views, so nothing to compare.
The full guide has the formats, the deadlines and the worked examples.