kitio.aiZeroRank vs Signum.AI
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Signum.AI has the lower starting price: about $19 a month, against $39 for ZeroRank.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- AI visibility tracking
- Competitor share of voice
- Prompt research
- Optimization recommendations
- MCP and REST API
- White-label reports
- AI answer visibility tracking
- Citation source analysis
- Competitor mapping
- Content recommendations
- API access
| Feature | ZeroRank | Signum.AI |
|---|---|---|
| Best for | Tracks and improves how ChatGPT, Gemini and Claude mention your brand | Track and grow your brand's visibility in AI search answers |
| Category | Marketing | Marketing |
| Pricing model | Freemium | Paid |
| Starting price | $39/mo | $19/mo |
| Free plan | Yes | No |
| Made by | ZeroRank | Signum.AI |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Signum.AI has the lower starting price: about $19 a month, against $39 for ZeroRank.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Starter
$39/mo
- 3 standard AI models
- 26 prompts tracked daily
Growth
$199/mo
- 150 prompts tracked daily
- Dedicated account rep
Agency
$499/mo
- 350 prompts tracked daily
- More content capacity
- White-label reports
1 plan
Pro
$19/mo
- AI visibility tracking
- Sources behind AI visibility
- AI visibility landscape
Prices in USD, checked Nov 5, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
ZeroRank
- Free report before paying
- Unlimited seats for client work
- API and MCP access to the data
- Prompt limits on the Starter plan
- Growth plan jumps to $199 a month
- Mobile app not released yet
Signum.AI
- Low entry price
- Covers ChatGPT, Perplexity and Gemini
- Shows which sources drive citations
- Only one plan is detailed publicly
- Limits on prompts tracked are not stated
- Focused on AI search, not classic SEO
Which one should you choose?
Choose ZeroRank if you want:
- Free report before paying
- Unlimited seats for client work
- API and MCP access to the data
Watch out: prompt limits on the starter plan.
Choose Signum.AI if you want:
- Low entry price
- Covers ChatGPT, Perplexity and Gemini
- Shows which sources drive citations
Watch out: only one plan is detailed publicly.
ZeroRank vs Signum.AI FAQ
What is the difference between ZeroRank and Signum.AI?
ZeroRank: Tracks and improves how ChatGPT, Gemini and Claude mention your brand. Signum.AI: Track and grow your brand's visibility in AI search answers. Both are marketing tools.
Is ZeroRank or Signum.AI cheaper?
Signum.AI has the lower starting price: about $19 a month, against $39 for ZeroRank.
Do ZeroRank and Signum.AI have free plans?
ZeroRank: Yes. Signum.AI: No.
Who makes ZeroRank?
ZeroRank is made by ZeroRank.
Who makes Signum.AI?
Signum.AI is made by Signum.AI.
Which should I choose, ZeroRank or Signum.AI?
Choose ZeroRank if you value free report before paying and unlimited seats for client work. Choose Signum.AI if you value low entry price and covers chatgpt, perplexity and gemini.