kitio.aiCheckget vs Sheldon
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Sheldon is completely free, while Checkget is freemium.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Cmd/Alt+K shortcut on any site
- Summarize and translate
- Rewrite and change tone
- Code explanations
- Local mode with own API key
- Keyboard shortcut on any site
- Email reply drafts
- Excel formula help
- Code and blog generation
| Feature | Checkget | Sheldon |
|---|---|---|
| Best for | Browser extension that opens ChatGPT on any page with Cmd/Alt+K | Chrome extension that drafts emails, formulas and code on any site |
| Category | Productivity | Productivity |
| Pricing model | Freemium | Free |
| Starting price | $4.99/mo | Free |
| Free plan | Yes | Yes, fully free |
| Made by | Checkget | Sheldon |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Pricing compared
Sheldon is completely free, while Checkget is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Personal
Free
- 30 requests a day
- 5 conversation rounds
- GPT-3.5
Pro
$4.99/mo
- 200 requests a day
- 15 conversation rounds
- GPT-4 access
Premium
$9.98/mo
- 500 requests a day
- 30 conversation rounds
- Priority support
Ultimate
$29.98/mo
- 1,500 requests a day
- 100 conversation rounds
- All features
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
Checkget
- Works on every website
- Free tier with daily requests
- Option to use your own API key
- Relies only on OpenAI models
- Free plan still lists GPT-3.5
- Daily request caps on every plan
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 Checkget if you want:
- Works on every website
- Free tier with daily requests
- Option to use your own API key
Watch out: relies only on openai models.
Choose Sheldon if you want:
- Free to install
- Works inside the sites you already use
- Handles many small writing jobs
Watch out: chrome only.
Checkget vs Sheldon FAQ
What is the difference between Checkget and Sheldon?
Checkget: Browser extension that opens ChatGPT on any page with Cmd/Alt+K. Sheldon: Chrome extension that drafts emails, formulas and code on any site. Both are productivity tools.
Is Checkget or Sheldon cheaper?
Sheldon is completely free, while Checkget is freemium.
Do Checkget and Sheldon have free plans?
Checkget: Yes. Sheldon: Yes, fully free.
Who makes Checkget?
Checkget is made by Checkget.
Who makes Sheldon?
Sheldon is made by Sheldon.
Which should I choose, Checkget or Sheldon?
Choose Checkget if you value works on every website and free tier with daily requests. Choose Sheldon if you value free to install and works inside the sites you already use.