ProveSource: Sales Pop Ups vs Ultimate Social Proof
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 9, 2026 for ProveSource, Oct 13, 2026 for Ultimate Social Proof.
The short answer
- Both list a free plan. Paid plans start at $29/month for ProveSource and $9/month for Ultimate Social Proof.
- ProveSource lists 25 features Ultimate Social Proof’s listing doesn’t mention, including Analytics, Announcements, APIs and webhooks.
Head to head
Sales Pop | Reviews Notification | Social Proof
- United States
- Australia
- Canada
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free Forever
- · Live chat support
- · Multi-language
- · Sales popups & reviews
- · Social proof & fomo notifications
- · Unlimited sites and impressions
- · Up to 1k visitors
Starter Plan
- · Live chat support
- · Multi-language
- · Remove branding
- · Sales popups & reviews
- · Social proof & fomo notifications
- · Unlimited impressions
Growth Plan
- · Live chat support
- · Multi-language
- · Remove branding
- · Sales popups & reviews
- · Social proof & fomo notifications
- · Unlimited impressions
Monster Plan
- · Live chat support
- · Multi-language
- · Remove branding
- · Sales popups & reviews
- · Social proof & fomo notifications
- · Unlimited impressions
Free
- · 1,000 toast impressions per month
- · 7 days analytics history
- · Real-time sales notifications
Plus
- · 10,000 toast impressions per month
- · 90 days analytics history
- · Advanced inline widgets
- · Remove "Powered by" branding
- · Toast cycling: up to 12 per visit
Pro
- · 10-year analytics history
- · 100,000 toast impressions per month
- · Advanced inline widgets
- · Remove "Powered by" branding
- · Toast cycling: up to 12 per visit
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureSupercharge your Shopify sales with ProveSource, the ultimate FOMO and social proof app. Show recent orders, reviews, live visitors, low stock, add to cart and real-time sales popups and notifications. Build trust and create urgency with inline embedded social proof trust signals directly on product pages (PDP) to boost credibility, engage visitors, prompt quick actions and cut cart abandonment.
Ultimate Social Proof adds two types of social proof to your store. Toast notifications appear in the corner, showing recent orders, live visitors, and low-stock alerts. Inline widgets embed on product pages with recent sales, live viewer counts, review scores, and order milestones.
- Build trust and urgency with social proof sales pop notifications.
- Turn your website into a busy and interesting place that compels buyer action.
- Show off recent orders, reviews, page visits, and more to boost trust.
- Toast notifications for recent orders, live visitors, and low-stock alerts
- Inline widgets on product pages showing sales counts and live viewer counts
- Inline review-score and customer-milestone widgets to build product-page trust
- Analytics dashboard tracking impressions, assisted orders, and revenue
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 |  ProveSource |  Ultimate Social Proof |
|---|---|---|
| Detected stores | 1,228 | Not published |
| Net store change, 28 days | −3 | 0 |
| Stores added, 28 days | 10 | Not enough data |
| Big-brand share | 8% | Not enough data |
| Top store categories | Apparel & Accessories, Health & Beauty, Home & Garden | Not published |
| Top store countries | United States, Australia, Canada | Not published |
Reviews
| Measure | ProveSource | Ultimate Social Proof |
|---|---|---|
| App Store rating | 5.0 ★ | Not published |
| App Store reviews | 90 | Not published |
| New reviews, 28 days | 0 | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | ProveSource | Ultimate Social Proof |
|---|---|---|
| Free plan | Yes | Yes |
| Lowest paid monthly plan | $29/month | $9/month(ahead) |
| Longest free trial | Not listed | 14 days |
| Plans listed | 4 | 3 |
Listing
| Measure | ProveSource | Ultimate Social Proof |
|---|---|---|
| Shopify category rank | #121 | #200 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Nov 26, 2018 | Jul 15, 2026 |
| Languages | 1 | 1 |
| Developer | ProveSource | nineteen78 Pty. Ltd. |
FAQ
ProveSource and Ultimate Social Proof: common questions
- Is ProveSource or Ultimate Social Proof cheaper?
- Both list a free plan. Paid plans start at $29/month for ProveSource and $9/month for Ultimate Social Proof. 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?
- ProveSource lists 25 the others don’t mention, such as Analytics, Announcements, APIs and webhooks, Banners. 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 9, 2026 for ProveSource, Oct 13, 2026 for Ultimate Social Proof; 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 9, 2026 for ProveSource, Oct 13, 2026 for Ultimate Social Proof. 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.