head to head · open source
lottie-ios vs Quant-UX
lottie-ios has 26,926 GitHub stars, 3,838 forks, 44 open issues and last shipped 28 days ago. Quant-UX has 2,751 stars, 293 forks, 109 open issues and last shipped 23 days ago. lottie-ios leads on adoption by 879% (26,926 vs 2,751 stars). lottie-ios is written in Swift under Apache-2.0; Quant-UX is written in Vue under GPL-3.0. lottie-ios has attracted 14% as many forks as stars, Quant-UX 11%. Quant-UX was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| lottie-ios | Quant-UX | |
|---|---|---|
| GitHub stars | ★ 27K | ★ 2.8K |
| License | Apache-2.0 | GPL-3.0 |
| Written in | Swift | Vue |
| Last push | 2026-10-06 | 2026-10-11 |
| Forks | ⑂ 3.8K | ⑂ 293 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick lottie-ios if
- You weight community size — 27K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Swift
- You value the larger contributor base for long-term maintenance
pick Quant-UX if
- You want the Quant-UX feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Vue
- You evaluated both and Quant-UX fits your workflow better
About lottie-ios
Lottie for iOS View documentation, FAQ, help, examples, and more at airbnb.io/lottie Lottie is a cross platform library for iOS, macOS, tvOS, visionOS, Android, and Web that natively renders vector based animations and art in realtime with minimal code. Lottie loads and renders animations and vectors exported in the bodymovin JSON format. Bodymovin JSON can be created and exported from After Effects with bodymovin, Sketch with Lottie Sketch Export, and from Haiku. Designers can create and ship beautiful animations without an engineer painstakingly recreating them by hand. Since the animations are backed by JSON…
read the full lottie-ios overview →
About Quant-UX
Quant UX Prototype, Test and Learn Quant UX is a research, usability and prototyping tool to quickly test your designs and get data driven insights. This repo contains the front end. You can find a working demo at Development setup Prerequisite Running Locally on the Host Machine Compiles and hot reloads for development Compiles and minifies for production Run your unit tests Lints and fixes files Developing inside a Docker Container If you wish to develop by running the service exclusively through Docker, you can build a development image using: This will create a Docker Image tagged under quant ux . You can…
read the full Quant-UX overview →
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Frequently asked questions
Is lottie-ios or Quant-UX more popular?
lottie-ios has 26,926 GitHub stars and Quant-UX has 2,751. lottie-ios has the larger community by that measure.
Are lottie-ios and Quant-UX free?
Both are open source. lottie-ios is licensed under Apache-2.0 and Quant-UX under GPL-3.0. Neither carries a licence fee.
What is the difference between lottie-ios and Quant-UX?
lottie-ios is written in Swift and Quant-UX in Vue. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, lottie-ios or Quant-UX?
Choose lottie-ios if you want the larger community (26,926 stars) or its Apache-2.0 licence terms. Choose Quant-UX if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.