AltGuard vs SpectoAI Alt Text SEO
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 13, 2026.
The short answer
- Only SpectoAI Alt Text SEO lists a free plan. Paid plans start at $19/month for AltGuard and $5/month for SpectoAI Alt Text SEO.
- SpectoAI Alt Text SEO lists 4 features AltGuard’s listing doesn’t mention, including ADA, AODA, Region-based.
Head to head
Starter
- · 2,000 product images per month
- · AI-generated alt text via GPT-4o Vision
- · Apply alt text to Shopify with one click
- · WCAG 2.1 AA & EAA compliant
Growth
- · 5,000 AI alt text generations per month
- · AI vision by GPT-4o — highest accuracy
- · Apply alt text to Shopify in one click
- · Bulk scan your entire product catalog
- · Instant EAA & WCAG 2.1 AA compliance
- · Priority email support
Pro
- · 15,000 AI alt text generations per month
- · AI vision by GPT-4o — highest accuracy
- · Apply alt text to Shopify in one click
- · Bulk scan unlimited product catalog
- · EAA, WCAG 2.1 AA & ADA compliant
- · Multi-run batch processing
Free Trial
- · 100 Credits (one-time)
- · Bulk Generation for Your Entire Catalog
- · Context-aware AI Alt Text Generation
- · One-click Apply to Shopify
- · Review & Edit Generated Descriptions
Starter
- · 250 Monthly Credits
- · Bulk Generation for Your Entire Catalog
- · Context-aware AI Alt Text Generation
- · Credit Rollover (unused credits)
- · One-click Apply to Shopify
- · Review & Edit Generated Descriptions
Growth
- · 1000 Monthly Credits
- · Bulk Generation for Your Entire Catalog
- · Context-aware AI Alt Text Generation
- · Credit Rollover (unused credits)
- · One-click Apply to Shopify
- · Review & Edit Generated Descriptions
Pro
- · 5000 Monthly Credits
- · Bulk Generation for Your Entire Catalog
- · Context-aware AI Alt Text Generation
- · Credit Rollover (unused credits)
- · One-click Apply to Shopify
- · Review & Edit Generated Descriptions
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureMissing alt text breaks accessibility law AND costs Google rankings. The EAA is now enforceable. ADA lawsuits hit record highs in 2025. Missing alt text on product images is the #1 violation in both. AltGuard fixes your entire catalog in one click. GPT-4o Vision writes accurate alt text directly to Shopify — no copy-paste. EAA · ADA · WCAG 2.1 AA compliant. Better SEO too. Free 3-day trial. No credit card.
SpectoAI helps you meet accessibility expectations by turning every product photo into meaningful alt text. It analyzes the image itself and your product metadata (title, brand, tags, description) to write descriptions that match what you sell. Run it on selected items or bulk-generate alt text for thousands of images, approve or edit in-app, and push updates to your Store in one click.
- AI-powered alt text generation using GPT-4o Vision for accurate descriptions
- Bulk scan your entire catalog to find all product images missing alt text
- One-click apply—writes alt text directly to Shopify, no copy-paste needed
- The usage dashboard tracks images scanned and applied each billing cycle
- AI uses image & product data to generate precise, context-aware alt text
- Meet global accessibility laws (ADA/EAA) to protect your brand and buyers
- Improve SEO rankings by providing search engines with exact product context
- Update thousands of product images at once and eliminate tedious writing
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 |  AltGuard |  SpectoAI Alt Text SEO |
|---|---|---|
| Detected stores | Not published | Not published |
| 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 | Not published | Not published |
| Top store countries | Not published | Not published |
Reviews
| Measure | AltGuard | SpectoAI Alt Text SEO |
|---|---|---|
| App Store rating | Not published | Not published |
| App Store reviews | Not published | Not published |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | AltGuard | SpectoAI Alt Text SEO |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | $19/month | $5/month(ahead) |
| Longest free trial | Not listed | Not listed |
| Plans listed | 3 | 4 |
Listing
| Measure | AltGuard | SpectoAI Alt Text SEO |
|---|---|---|
| Shopify category rank | #154 | #141(ahead) |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Jul 1, 2026 | Apr 13, 2026 |
| Languages | 1 | 1 |
| Developer | AltGuard | GetRobo |
FAQ
AltGuard and SpectoAI Alt Text SEO: common questions
- Is AltGuard or SpectoAI Alt Text SEO cheaper?
- Only SpectoAI Alt Text SEO lists a free plan. Paid plans start at $19/month for AltGuard and $5/month for SpectoAI Alt Text SEO. 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?
- AltGuard lists 2 the others don’t mention, such as AI-powered, Reporting. SpectoAI Alt Text SEO lists 4 the others don’t mention, such as ADA, AODA, Region-based, SEO. 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 Oct 13, 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 Oct 13, 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.