Stamped Product Reviews & UGC vs TheWordOfMouth
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 7, 2026 for Stamped Product Reviews & UGC, Oct 13, 2026 for TheWordOfMouth.
The short answer
- Only TheWordOfMouth lists a free plan. Paid plans start at $23/month for Stamped Product Reviews & UGC and $50/month for TheWordOfMouth.
- Stamped Product Reviews & UGC lists 22 features TheWordOfMouth’s listing doesn’t mention, including Automations, Conversion tracking, Custom notifications.
Head to head
Collect product reviews, photo reviews, video reviews & UGC
- United States
- Australia
- United Kingdom
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Reviews
- · Customizable on-site review widgets
- · Google, Klaviyo, and more Integrations
- · In-email review collection
- · Photo and video UGC collection
- · up to 200 orders a month
Reviews (1k)
- · Customizable on-site review widgets
- · Google, Klaviyo, and more Integrations
- · In-email review collection
- · Photo and video UGC collection
- · up to 1,000 orders a month
Reviews (5k)
- · Customizable on-site review widgets
- · Google, Klaviyo, and more Integrations
- · In-email review collection
- · Photo and video UGC collection
- · up to 5,000 orders a month
Reviews (20K)
- · Customizable on-site review widgets
- · Google, Klaviyo, and more Integrations
- · In-email review collection
- · Photo and video UGC collection
- · up to 20,000 orders a month
Free Plan
- · Brand Reviews
- · Product Review Import
- · Sidebar Badge
- · Unlimited photos & review display
Basic Plan
- · Brand Reviews
- · Product Review Import
- · Sidebar Badge
- · Unlimited photos & review display
- · Video Widgets (Unlimited Videos)
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureStamped helps growing Shopify brands collect more product reviews, photo and video UGC, and Q&A with automated review requests. Show them in fully customizable review widgets and star ratings, and sync reviews to Google Shopping, Meta and the Shop App to win more clicks. Connect Klaviyo, Attentive, Omnisend and Gorgias in minutes. Switching from another app?
Getting traffic is hard enough. But if visitors don't trust you, they just leave. Word of Mouth fixes that. We help you collect photo, video and audio reviews, show trust widgets, display real time social proof and send coupons to bring customers back. Everything matches your brand and setup takes minutes. If you run a D2C brand and lose sales because people hesitate, this app is built for you.
- Collect & import product reviews, NPS, Q&A, Google Reviews & Shoppable Instagram
- Improve Google Shopping & SEO with Search Rich Snippets for SEO
- Site widgets, banners, templates, and emails increase review conversions
- Google integration to rank higher on Google Seller & Product Ratings
- Display star ratings and customer reviews on product pages
- Widgets to create urgency and social proof
- Embed Instagram feeds and real customer videos on your store
- Import existing reviews via CSV in bulk
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  Stamped Product Reviews & UGC |  TheWordOfMouth |
|---|---|---|
| Detected stores | 14,887 | Not published |
| Net store change, 28 days | −51 | 0 |
| Stores added, 28 days | 154 | Not enough data |
| Big-brand share | 16% | Not enough data |
| Top store categories | Apparel & Accessories, Health & Beauty, Home & Garden | Not published |
| Top store countries | United States, Australia, United Kingdom | Not published |
Reviews
| Measure | Stamped Product Reviews & UGC | TheWordOfMouth |
|---|---|---|
| App Store rating | 4.7 ★ | Not published |
| App Store reviews | 3,746 | Not published |
| New reviews, 28 days | 0 | Not enough data |
| Reviewers a year or more in | 77% | Not enough data |
Pricing
| Measure | Stamped Product Reviews & UGC | TheWordOfMouth |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | $23/month(ahead) | $50/month |
| Longest free trial | Not listed | Not listed |
| Plans listed | 4 | 2 |
Listing
| Measure | Stamped Product Reviews & UGC | TheWordOfMouth |
|---|---|---|
| Shopify category rank | #61(ahead) | #412 |
| Shopify App Charts | #40 on the Shoplist 100 | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Jan 12, 2016 | May 29, 2026 |
| Languages | 1 | 1 |
| Developer | Stamped.io | TheWordOfMouth |
FAQ
Stamped Product Reviews & UGC and TheWordOfMouth: common questions
- Is Stamped Product Reviews & UGC or TheWordOfMouth cheaper?
- Only TheWordOfMouth lists a free plan. Paid plans start at $23/month for Stamped Product Reviews & UGC and $50/month for TheWordOfMouth. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- What features does each app list that the other doesn’t?
- Stamped Product Reviews & UGC lists 22 the others don’t mention, such as Automations, Conversion tracking, Custom notifications, Email requests. TheWordOfMouth lists 2 the others don’t mention, such as Review highlights, Review summaries. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Nov 7, 2026 for Stamped Product Reviews & UGC, Oct 13, 2026 for TheWordOfMouth; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Nov 7, 2026 for Stamped Product Reviews & UGC, Oct 13, 2026 for TheWordOfMouth. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.