🆚 Flat UI vs. Simple Line Icons
- 📈 Simple Line Icons is much more popular than Flat UI.
- 🌍 Simple Line Icons is more popular in all countries.
Statistics based on 3.3M+ analyzed websites. About this data
Flat UIType
User interface framework
Icon library
About
Flat UI is a free design framework and theme for Bootstrap.
Simple Line Icons is an open-source icon library with 
CSS, SASS, LESS and web font files.
Headquarters
New York, United States
Pricing
Free ✔️Open source
Free ✔️Open source
Categories
Popularity
Determined by the number of sites using each technology.
The Simple Line Icons library is 106 times more popular than Flat UI.
Total websites
Market share
Icons
Popularity by country
Determined by the number of sites detected from each country.
Simple Line Icons is more popular than Flat UI in all countries.
United States
Germany
Italy
Spain
France
United Kingdom
India
Brazil
Australia
Poland
Awards
- ⬆️ 27th most popular in Germany in the UI Frameworks category.
- ⬆️ 30th most popular in the United States in the UI Frameworks category.
- ⬆️ 31st most popular in Germany in the Icons category.
- ⬆️ 34th most popular in the United States in the Icons category.
- 🥈 Second most popular in Germany in the Icons category.
- 🥈 Second most popular in Italy in the Icons category.
- 🥈 Second most popular in Spain in the Icons category.
- 🥈 Second most popular in France in the Icons category.
- 🥈 Second most popular in the United Kingdom in the Icons category.
Popularity by domain category
Determined by the number of sites in each category.
Simple Line Icons is more popular than Flat UI in all market segments.
Business
Marketing/Merchandising
Online Shopping
Education/Reference
Blogs/Wiki
Internet Services
Travel
Entertainment
Sports
Health
Top sites
Top-ranked sites that use these technologies.
Compare alternatives
Technologies with similar characteristics.
Bootstrap
Tailwind CSS
Foundation
BlazorBootstrap
Ionicons🗃️ About This Data
- We evaluate the popularity of technologies based on the number of websites where we detect their usage.
- Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
- This report is based on the analysis of 3,375,483 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.