Semrush vs AltTextGenerator.ai
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Semrush starts at $139/mo and AltTextGenerator.ai starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Keyword research
- Rank tracking
- Site audit
- Backlink analysis
- AI visibility tracking
- AI alt text generation
- WordPress media library scan
- Bulk updates
- Review and edit before saving
- Upload or URL input
| Feature | Semrush | AltTextGenerator.ai |
|---|---|---|
| Best for | SEO, AI search visibility and competitor research in one suite | Bulk AI alt text for images, with a WordPress plugin |
| Category | Marketing | Marketing |
| Pricing model | Freemium | Freemium |
| Starting price | $139/mo | See pricing page |
| Free plan | Yes | Yes |
| Made by | Semrush (Adobe) | AltTextGenerator.ai |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Semrush starts at $139/mo and AltTextGenerator.ai starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
5 plans
Free
Free
- 1 demo project
- 10 reports per day
- No credit card required
SEO
$139/mo
- 5 websites to monitor
- 500 keywords tracked daily
- Basic keyword and competitor research
Starter
$199/mo
- SEO + AI Search
- Keyword research and optimization
- AI visibility tracking
Pro+
$299/mo
- 15 websites to monitor
- 1,500 keywords tracked
- Historical SEO data
- Unlimited AI prompts tracked
Enterprise
Contact sales
- Custom limits
- Enterprise SEO and AI platform
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Semrush
- Very broad keyword and traffic database
- Covers SEO, ads, content and social
- Tracks brand mentions in AI answers
- Expensive once you add users and toolkits
- Busy interface with a learning curve
AltTextGenerator.ai
- Finds images missing alt text
- Bulk generation saves time
- Free WordPress plugin
- Plan details not shown on the homepage
- Deepest integration is WordPress only
- Descriptions may still need edits
Which one should you choose?
Choose Semrush if you want:
- Very broad keyword and traffic database
- Covers SEO, ads, content and social
- Tracks brand mentions in AI answers
Watch out: expensive once you add users and toolkits.
Choose AltTextGenerator.ai if you want:
- Finds images missing alt text
- Bulk generation saves time
- Free WordPress plugin
Watch out: plan details not shown on the homepage.
Semrush vs AltTextGenerator.ai FAQ
What is the difference between Semrush and AltTextGenerator.ai?
Semrush: SEO, AI search visibility and competitor research in one suite. AltTextGenerator.ai: Bulk AI alt text for images, with a WordPress plugin. Both are marketing tools.
Is Semrush or AltTextGenerator.ai cheaper?
Semrush starts at $139/mo and AltTextGenerator.ai starts at See pricing page. Check both pricing pages for current plans.
Do Semrush and AltTextGenerator.ai have free plans?
Semrush: Yes. AltTextGenerator.ai: Yes.
Who makes Semrush?
Semrush is made by Semrush (Adobe), based in United States.
Who makes AltTextGenerator.ai?
AltTextGenerator.ai is made by AltTextGenerator.ai.
Which should I choose, Semrush or AltTextGenerator.ai?
Choose Semrush if you value very broad keyword and traffic database and covers seo, ads, content and social. Choose AltTextGenerator.ai if you value finds images missing alt text and bulk generation saves time.