stac is free to start. Upgrade to Pro when you need more comparison capacity, persistent drag-and-drop fonts, unlimited organization, and detail view controls for real design work.
Free
JPY 0
Available for free
- Preview fonts installed on your Mac
- Preview Google Fonts
- Search and filter candidatesFilter by language, category, and subset.
- Body text preview and inspector
- Drag-and-drop previewUp to 10 temporary fonts, cleared when the app closes.
- Compare up to 8 fonts
- Favorites, tags, ratings, and notesUp to 5 favorite lists, 5 tags, and 100-character notes.
Pro Yearly
JPY 4,800/year
Founding Supporter price
Pro features for one year.
- Everything in Free
- Detail view with background imagesAdjust masks and text colors while reviewing visual fit.
- Management screen for saved data
- Persistent drag-and-drop fontsNo count limit; fonts remain after restarting the app.
- Compare up to 30 fonts
- Unlimited favorites and tags
- CSS snippet copy, saved preview texts, and custom fields
Pro Lifetime
JPY 7,800
Founding Supporter price
Pay once and keep using Pro.
- Everything in Free
- Detail view with background images
- Persistent drag-and-drop fonts
- Compare up to 30 fonts
- Unlimited favorites and tags
- One-time purchase for continued Pro use
After purchase
Purchase flow
Choose a plan and pay
Payment is handled securely through Stripe Checkout.
Receive your license key
A license key is sent to the email address used at checkout.
Activate Pro in the app
Enter the license key in stac to unlock Pro features.
stac does not store credit card numbers. If your license key does not arrive or activation fails, contact support through the contact form.
Pricing roadmap
Pricing roadmap
Founding Supporter
First 50 purchases
Early Supporter
Next 100 purchases
Coming soon
Coming soon
Yearly plans keep renewing at the tier price at which they were purchased. Founding Supporter and Early Supporter counts combine lifetime and yearly purchases. Launch Offer is available for 14 days after the official release date. The active tier can change in real time.
Free / Pro comparison
Comparison
| Feature | Free | Pro Yearly | Pro Lifetime |
|---|---|---|---|
| Preview | |||
| Local font preview | OK | OK | OK |
| Google Fonts preview | OK | OK | OK |
| Language filters | OK | OK | OK |
| Drag and drop | |||
| Temporary preview for uninstalled fonts | Up to 10 | Unlimited | Unlimited |
| Keep dropped fonts after app restart | - | OK | OK |
| Compare and organize | |||
| Comparison mode | Up to 8 | Up to 30 | Up to 30 |
| Detail view background images | - | OK | OK |
| Favorite lists | Up to 5 | Unlimited | Unlimited |
| Tags | Up to 5 | Unlimited | Unlimited |
| Notes | Up to 100 characters | Unlimited | Unlimited |
| License | |||
| Devices | - | Up to 2 Macs | Up to 2 Macs |
| Automatic updates | OK | OK | OK |