HARPA AI vs The Grok App
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. HARPA AI starts at $240 one-time and The Grok App starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Page-aware AI chat
- YouTube summarizer
- Gmail assistant
- Web page monitors
- 100+ ready commands
- Bring your own API keys
- Document upload and search
- Question answering over files
- Paper summaries
- Code base explanations
- Chrome extension
| Feature | HARPA AI | The Grok App |
|---|---|---|
| Best for | AI browser extension that summarizes, writes and automates the web | Upload documents and ask AI questions about them |
| Category | Productivity | Productivity |
| Pricing model | Freemium | Freemium |
| Starting price | $240 one-time | See pricing page |
| Free plan | Yes | Yes |
| Made by | HARPA AI | The Grok App |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
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Pricing compared
HARPA AI starts at $240 one-time and The Grok App starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
2 plans
Free
Free
- Daily limit on power messages
- Free web connections or own API keys
For Life
$240 one-time
- Paid once
- Single user only
- Unlimited web session connections
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
HARPA AI
- Many AI models in one extension
- Works with your own API keys
- Supports local models
- Lifetime licence option
- Free plan limits daily power messages
- Token-based quotas take time to understand
- Lifetime licence is single-user only
The Grok App
- Web app plus Chrome extension
- Plain-language questions over documents
- Demo videos explain use
- Few details on formats and limits
- No plan information found
- Name can be confused with xAI's Grok
Which one should you choose?
Choose HARPA AI if you want:
- Many AI models in one extension
- Works with your own API keys
- Supports local models
Watch out: free plan limits daily power messages.
Choose The Grok App if you want:
- Web app plus Chrome extension
- Plain-language questions over documents
- Demo videos explain use
Watch out: few details on formats and limits.
HARPA AI vs The Grok App FAQ
What is the difference between HARPA AI and The Grok App?
HARPA AI: AI browser extension that summarizes, writes and automates the web. The Grok App: Upload documents and ask AI questions about them. Both are productivity tools.
Is HARPA AI or The Grok App cheaper?
HARPA AI starts at $240 one-time and The Grok App starts at See pricing page. Check both pricing pages for current plans.
Do HARPA AI and The Grok App have free plans?
HARPA AI: Yes. The Grok App: Yes.
Who makes HARPA AI?
HARPA AI is made by HARPA AI.
Who makes The Grok App?
The Grok App is made by The Grok App.
Which should I choose, HARPA AI or The Grok App?
Choose HARPA AI if you value many ai models in one extension and works with your own api keys. Choose The Grok App if you value web app plus chrome extension and plain-language questions over documents.