head to head · open source
lottie-ios vs mojs
lottie-ios has 26,927 GitHub stars, 3,838 forks, 44 open issues and last shipped 1 months ago. mojs has 18,885 stars, 903 forks, 37 open issues and last shipped 3 months ago. lottie-ios leads on adoption by 43% (26,927 vs 18,885 stars). lottie-ios is written in Swift under Apache-2.0; mojs is written in CoffeeScript under MIT. lottie-ios has attracted 14% as many forks as stars, mojs 5%. lottie-ios was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (animation), so they are genuine substitutes rather than adjacent tools.
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 | mojs | |
|---|---|---|
| GitHub stars | ★ 27K | ★ 19K |
| License | Apache-2.0 | MIT |
| Written in | Swift | CoffeeScript |
| Last push | 2026-10-06 | 2026-07-30 |
| Forks | ⑂ 3.8K | ⑂ 903 |
| 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 mojs if
- You want the mojs feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches CoffeeScript
- You evaluated both and mojs 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 mojs
mo · js – The motion graphics toolbelt for the web. Intro mo · js is a javascript motion graphics library that is a fast, retina ready, modular and open source . In comparison to other libraries, it has a different syntax and code animation structure approach. The declarative API provides you a complete control over the animation, making it customizable with ease. The library provides built in components to start animating from scratch like html, shape, swirl, burst and stagger, but also bring you tools to help craft your animation in a most natural way. Using mojs on your site will enhance the user experience…
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Frequently asked questions
Is lottie-ios or mojs more popular?
lottie-ios has 26,927 GitHub stars and mojs has 18,885. lottie-ios has the larger community by that measure.
Are lottie-ios and mojs free?
Both are open source. lottie-ios is licensed under Apache-2.0 and mojs under MIT. Neither carries a licence fee.
What is the difference between lottie-ios and mojs?
lottie-ios is written in Swift and mojs in CoffeeScript. 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 mojs?
Choose lottie-ios if you want the larger community (26,927 stars) or its Apache-2.0 licence terms. Choose mojs if its feature set, stack or MIT licence fits better. Both are self-hostable.