kitio.aiGlasp vs Sheldon
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Sheldon is completely free, while Glasp is freemium.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Web highlighting
- YouTube summaries
- Note export
- Social reading feed
- Kindle import
- Keyboard shortcut on any site
- Email reply drafts
- Excel formula help
- Code and blog generation
| Feature | Glasp | Sheldon |
|---|---|---|
| Best for | Social web highlighter with AI summaries of articles and videos | Chrome extension that drafts emails, formulas and code on any site |
| Category | Productivity | Productivity |
| Pricing model | Freemium | Free |
| Starting price | See pricing page | Free |
| Free plan | Yes | Yes, fully free |
| Made by | Glasp | Sheldon |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Pricing compared
Sheldon is completely free, while Glasp is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
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
Glasp
- Free core features
- Good export options
- Simple extension
- Social features may not appeal
- Summaries are basic
Sheldon
- Free to install
- Works inside the sites you already use
- Handles many small writing jobs
- Chrome only
- Thin wrapper around ChatGPT
- Little detail on privacy or limits
Which one should you choose?
Choose Glasp if you want:
- Free core features
- Good export options
- Simple extension
Watch out: social features may not appeal.
Choose Sheldon if you want:
- Free to install
- Works inside the sites you already use
- Handles many small writing jobs
Watch out: chrome only.
Glasp vs Sheldon FAQ
What is the difference between Glasp and Sheldon?
Glasp: Social web highlighter with AI summaries of articles and videos. Sheldon: Chrome extension that drafts emails, formulas and code on any site. Both are productivity tools.
Is Glasp or Sheldon cheaper?
Sheldon is completely free, while Glasp is freemium.
Do Glasp and Sheldon have free plans?
Glasp: Yes. Sheldon: Yes, fully free.
Who makes Glasp?
Glasp is made by Glasp.
Who makes Sheldon?
Sheldon is made by Sheldon.
Which should I choose, Glasp or Sheldon?
Choose Glasp if you value free core features and good export options. Choose Sheldon if you value free to install and works inside the sites you already use.