SFFE
SFFE is #34 in Productivity Paid in South Korea and charting in 1 of 24 countries we track.
Updated 27 Sep 2026 · rankings refresh through the day
DeveloperBLUEAT
CategoryProductivity
Price3,300 KRW
Released
Rating★ 3.6 (148)
Version3.3
Age rating4+
First seen by us
25 Sep 2026
25 Sep 2026Installs (est.)5k+ worldwide
Rating
3.6 ★
148 ratings
Measured
Best rank now
#34
Productivity PaidMeasured
SFFE on the App Store
App details
App ID
1588740825
Publisher
BLUEAT
Content rating
4+
SFFE downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Where SFFE's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Every top chart it appears in across 24 countries.
| Country | Charts | Rank |
|---|---|---|
| South Korea | ProductivityPaid | #34 |
Apps near SFFE on the chart
Productivity Paid, around #34.
Ratings
App Store, worldwide.
Rating
3.6 ★
148 ratings
Measured
Ratings
148
Measured
About SFFE
Make Safari easier to read with your own fonts.
SFFE lets you change website fonts in Safari to match your personal style.
Register fonts and create groups in the app, then quickly apply them per site in Safari.
Key Features
- Import TTF, OTF, WOFF, and WOFF2 fonts
- Apply font groups by website
- Language-based font settings
(Korean, English, Japanese, Chinese Simplified/Traditional)
- Preview before applying
(numbers/symbols, your language first, multilingual paragraph samples)
- Light and Dark mode support
How to Use
- Enable SFFE in Settings > Safari > Extensions.
- Open Safari and tap the puzzle icon next to the address bar.
- Select the font group you want for each site.
Notes
- Large font files may take longer on first load.
- Support: [email protected]
SFFE lets you change website fonts in Safari to match your personal style.
Register fonts and create groups in the app, then quickly apply them per site in Safari.
Key Features
- Import TTF, OTF, WOFF, and WOFF2 fonts
- Apply font groups by website
- Language-based font settings
(Korean, English, Japanese, Chinese Simplified/Traditional)
- Preview before applying
(numbers/symbols, your language first, multilingual paragraph samples)
- Light and Dark mode support
How to Use
- Enable SFFE in Settings > Safari > Extensions.
- Open Safari and tap the puzzle icon next to the address bar.
- Select the font group you want for each site.
Notes
- Large font files may take longer on first load.
- Support: [email protected]
Latest updates
3.3
Improved font application and update reliability in Safari.
- More reliable preservation of saved fonts, groups, and site settings during updates.
- Improved font application in new tabs and pages that are already open.
- Font group changes and site/global switches now update pages without reloading.
- More consistent language and font-weight mappings and previews.
- Improved large font imports, progress reporting, and cancellation, along with other bug fixes.