Sphen: AI SEO & GEO Visibility vs Voices
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 8, 2026.
The short answer
- Sphen and Voices are detected on the same number of Shopify stores (4) as of Nov 8, 2026.
- Paid plans start at $25/month for Sphen and $79/month for Voices.
- Sphen lists 11 features Voices’s listing doesn’t mention, including ALT text, Audits, Automations.
Head to head
- Estonia
- Germany
Essential
- · 10 tracked prompts
- · 2 AI agent configs / month
- · 20 product audits / month
- · 3 AI visibility tests / month
- · 3 action plan runs / month
- · 5 AI models
Business
- · 100 product audits / month
- · 20 blog posts / month
- · 20 tracked prompts
- · 25 collection audits / month
- · 5 AI models
- · 8 AI agent configs / month
Growth
- · 10 AI agent configs / month
- · 15 AI visibility tests / month
- · 15 action plan runs / month
- · 30 blog posts / month
- · 35 tracked prompts
- · 5 AI models
Pro
- · 50 SEO text generations per month
- · Features AI keyword suggestions
- · Get your SEO tasks on the Strategy Board
- · Seamless theme integration
- · Track uplift on the analytics board
Expert
- · Connect Google for GA4 analytics
- · Create a custom Brand Voice
- · Everything in Pro
- · Unlimited text-generation
- · Use real Google Search Console keywords
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureSPHEN uses AI agents to analyze your store, identify SEO and GEO opportunities, and generate optimized content. Create and update product descriptions, blog articles, collection pages, landing pages, metadata, and structured data from a single workspace. Review every recommendation before publishing changes to your store.
Voices SEO helps merchants create optimized collection descriptions that align with their brand voice and search intent. Generate structured, keyword-aware content directly inside Shopify — no copy-paste workflows required.
- Generate product descriptions, blog articles, collection pages with AI
- Optimize existing content for search engines and AI-powered search experiences.
- Review and apply content improvements across multiple products and pages.
- AI generated SEO-optimized collection descriptions and search engine listings.
- Define tone, personality, register and style preferences of your brand voice.
- Track storefront sessions via Voices Pixel or Google Analytics.
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 |  Sphen |  Voices |
|---|---|---|
| Detected stores | 4 | 4 |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Food, Beverages & Tobacco, Furniture, Health & Beauty | Apparel & Accessories |
| Top store countries | Estonia | Germany |
Reviews
| Measure | Sphen | Voices |
|---|---|---|
| App Store rating | 5.0 ★ | Not published |
| App Store reviews | 1 | Not published |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
FAQ
Sphen and Voices: common questions
- Which is more popular, Sphen or Voices?
- Sphen and Voices are detected on the same number of Shopify stores (4) as of Nov 8, 2026.
- Is Sphen or Voices cheaper?
- Paid plans start at $25/month for Sphen and $79/month for Voices. 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?
- Sphen lists 11 the others don’t mention, such as ALT text, Audits, Automations, Content analysis. Voices lists 2 the others don’t mention, such as Tracking, Website traffic. 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 8, 2026; 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 8, 2026. 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.