AltTextLab – AI Alt Text & SEO vs Sleek Alt Filler
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 AltTextLab lists a free plan. Paid plans start at $5/month for AltTextLab and $5/month for Sleek Alt Filler.
- AltTextLab lists 8 features Sleek Alt Filler’s listing doesn’t mention, including ADA, AI generation, AI-powered.
Head to head
Free
- · 130+ languages
- · 25 credits / month
- · Bulk processing
- · Unlimited shops
Pro 100
- · 100 credits / month
- · 130+ languages
- · Bulk processing
- · Chat support
- · Credits roll over
- · Unlimited shops
Pro 1000
- · 1000 credits / month
- · 130+ languages
- · Bulk processing
- · Chat support
- · Credits roll over
- · Unlimited shops
Pay as you go
- · 1000 credits
- · 130+ languages
- · Bulk processing
- · Chat support
- · Unlimited shops
Starter
Growth
Scale
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureAltTextLab automatically generates accurate, product-aware alt text for every image in your Shopify store using AI — making your images discoverable in search, your store accessible, and your catalog consistent without manual effort. It reads each image alongside the product name, variant, and vendor name to write descriptions that are specific to your products, not generic placeholders.
Images and videos without alt text are unreadable to screen readers and invisible to search engines. Alt Filler writes what is missing, using your product details or an AI description of the image or video itself. Alt text you wrote by hand is never overwritten, you preview every change before it is saved, and any run can be undone.
- Bulk-processes your entire existing product catalog at once
- WCAG 2.1 AA and ADA compliant output for accessibility
- Customizable tone and writing style to match your brand voice
- Uses product data to generate relevant descriptions
- Generates alt text for product videos, not just images.
- Never overwrites alt text you wrote by hand, unless you choose to.
- Lets you preview every change and undo an entire run afterward.
- Keeps working through large catalogs without stalling or restarting.
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 |  AltTextLab |  Sleek Alt Filler |
|---|---|---|
| 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 | AltTextLab | Sleek Alt Filler |
|---|---|---|
| App Store rating | 5.0 ★ | Not published |
| App Store reviews | 2 | 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 | AltTextLab | Sleek Alt Filler |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $5/month | $5/month |
| Longest free trial | Not listed | Not listed |
| Plans listed | 4 | 3 |
Listing
| Measure | AltTextLab | Sleek Alt Filler |
|---|---|---|
| Shopify category rank | #291(ahead) | #846 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | May 7, 2026 | Sep 25, 2026 |
| Languages | 1 | 1 |
| Developer | AltTextLab | Sleek App LLC |
FAQ
AltTextLab and Sleek Alt Filler: common questions
- Is AltTextLab or Sleek Alt Filler cheaper?
- Only AltTextLab lists a free plan. Paid plans start at $5/month for AltTextLab and $5/month for Sleek Alt Filler. 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?
- AltTextLab lists 8 the others don’t mention, such as ADA, AI generation, AI-powered, AODA. Sleek Alt Filler lists 1 the others don’t mention, such as File naming. 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.