Tweakday: Auto Add‑ons & Fees
Free planAuto-attach fees, warranties & free gifts to specific products at checkout. Per item. Quantity scales. No code. No Plus needed. Free plan available.





Merchant Reviews
30-Day Trends
Category Rankings
- Category
Marketing and conversion apps > Checkout > Cart customization apps
Add a "buy now" button, sticky add to cart, or whatever else helps customers complete their purchase.
Rank: 141 / 499
Last seen 2026-08-17
- Category
Marketing and conversion apps > Checkout
Make checkout the easiest part of your shopping experience.
Rank: 318 / 494
Last seen 2026-08-17
Rank: 90 / 350
Last seen 2026-08-17
Collection Rankings
Rank: 1792 / 5260
Last seen 2026-08-17
Rank: 1792 / 5259
Last seen 2026-08-17
Rank: 1791 / 5260
Last seen 2026-08-17
Rank: 1791 / -24
Last seen 2026-08-17
Rank: 1791 / 5257
Last seen 2026-08-17
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