AI coupon finder that tests and auto-applies working promo codes at checkout
AI coupon finder that tests and auto-applies working promo codes at checkout

A Chrome extension that surfaces voucher codes and discounts while you shop

This is our editors' assessment out of 5, not an average of user ratings. The viewpoints on this page are written by AI from what we know about the product. They are not customer reviews.
According to OpenAITools.app telemetry verified on 2026-11-11, Sir Shopper Assistant (chromewebstore.google.com) is an AI platform indexed under AI Shopping Assistant generating 0 monthly visits with a month-over-month traffic delta of +0 (0.0%). Its primary geographic market is Global (— traffic share), and it operates on a Free pricing model. Top competing alternatives by monthly volume include Couponly AI (73.82K visits/mo), DealDrop (336.65K visits/mo), SeekShop (7.23K visits/mo).
hit or miss with codes
saved a buck once
pops up too much
dead coupons sometimes
AI-synthesized perspectives grounded in live site inspection, pricing structure, and category benchmarks — presented as editorial viewpoints rather than individual customer testimonials.
Recognises which online store you are browsing and tailors the offers it shows to that specific retailer.
Presents available discount codes for the site you are on so you do not need to search coupon sites manually.
Keeps deal hunting inside the shopping session rather than sending you to a third-party deals page.
The extension is around 160 KiB, so it adds very little weight to the browser.
The developer states that no user data is collected, sold or repurposed outside the extension's core function.
Sir Shopper Assistant is a browser extension in the coupon-helper category. Instead of opening a separate deals website every time you reach a checkout page, you install the extension once and it identifies which retailer you are on, then presents the voucher codes and discount offers that match that site. The pitch is straightforward: fewer missed savings and less time spent searching.
The extension is small, distributed through the Chrome Web Store, and published by an individual developer. It carries a version 0.0.2 release updated in July 2024, which is an early-stage build rather than a mature product, and the store listing shows no user ratings yet.
The developer's data declaration states that no user data is collected, sold to third parties or used for unrelated purposes — a relevant point for a tool that runs across every shopping site you visit. Because it is free with no paid tier, there is no subscription to manage.
Reach the payment step and let the extension show which codes might apply before you complete the purchase.
Browse an unfamiliar retailer with the extension active to see whether it has working offers before committing to a purchase.
Skip opening multiple coupon aggregator tabs and rely on the in-browser prompt instead.
Side-by-side telemetry comparison of competing AI tools in the same primary category
| Rank | AI Tool | Monthly Visits | MoM Growth | Direct traffic share | Pricing | Head-to-Head |
|---|---|---|---|---|---|---|
| ● | Sir Shopper Assistant | 0 | — | — | Free | Current |
| 1 | Couponly AI | 73.82K | +86.4% | 46% direct | Free | vs Couponly AI |
| 2 | DealDrop | 336.65K | +16.4% | 18% direct | Free | vs DealDrop |
| 3 | SeekShop | 7.23K | +1.6% | 29% direct | Free | vs SeekShop |
| 4 | Faircado | 9.37K | -9.8% | 40% direct | Free | vs Faircado |
| 5 | SmartSave (formerly PricePal) | 0 | — | — | Free | vs SmartSave (formerly PricePal) |
| 6 | Flash.co | 741.64K | +9.9% | 55% direct | Free | vs Flash.co |
AI coupon finder that tests and auto-applies working promo codes at checkout
AI coupon finder that tests and auto-applies working promo codes at checkout

Coupon codes ranked by whether they actually worked
Coupon codes ranked by whether they actually worked

Cross-source review scores and coupons, right on the product page
Cross-source review scores and coupons, right on the product page

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Second-hand shopping made effortless with an AI browser extension

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