kitio.aiHARPA AI vs FoldSum
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. FoldSum is completely free, while HARPA AI is freemium.
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
- Summarize selected text
- Inline replacement
- Nested summaries
- Translation in one step
- Uses your ChatGPT or Poe login
| Feature | HARPA AI | FoldSum |
|---|---|---|
| Best for | AI browser extension that summarizes, writes and automates the web | Chrome extension that summarizes selected text on any page |
| Category | Productivity | Productivity |
| Pricing model | Freemium | Free |
| Starting price | $240 one-time | Free |
| Free plan | Yes | Yes, fully free |
| Made by | HARPA AI | FoldSum |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
FoldSum is completely free, while HARPA AI is freemium.
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
FoldSum
- Completely free, no API tokens
- Works on any web page
- Summary and translation together
- Requires a logged-in ChatGPT or Poe tab
- Chromium browsers only
- Depends on third-party web interfaces
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 FoldSum if you want:
- Completely free, no API tokens
- Works on any web page
- Summary and translation together
Watch out: requires a logged-in chatgpt or poe tab.
HARPA AI vs FoldSum FAQ
What is the difference between HARPA AI and FoldSum?
HARPA AI: AI browser extension that summarizes, writes and automates the web. FoldSum: Chrome extension that summarizes selected text on any page. Both are productivity tools.
Is HARPA AI or FoldSum cheaper?
FoldSum is completely free, while HARPA AI is freemium.
Do HARPA AI and FoldSum have free plans?
HARPA AI: Yes. FoldSum: Yes, fully free.
Who makes HARPA AI?
HARPA AI is made by HARPA AI.
Who makes FoldSum?
FoldSum is made by FoldSum.
Which should I choose, HARPA AI or FoldSum?
Choose HARPA AI if you value many ai models in one extension and works with your own api keys. Choose FoldSum if you value completely free, no api tokens and works on any web page.