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Tweakday: Auto Add‑ons & Fees
by Tweakday
Auto-attach fees, warranties & free gifts to specific products at checkout. Per item. Quantity scales. No code. No Plus needed. Free plan available.
5.00(5 reviews)· Free plan available. Free trial available.· Launched Apr 1, 2024
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Auto-attach fees, warranties & free gifts to specific products at checkout. Per item. Quantity scales. No code. No Plus needed. Free plan available.
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Data last refreshed Aug 19, 2026. Source: Shopify App Store.