BigDoor
4 websites

BigDoor is free to use

http://www.bigdoor.com/

BigDoor offers online publishers of any size the ability to create their own Gamified Rewards Program to help increase user loyalty and engagement to their site.

VS

Spring Me
1 websites

Spring Me is free to use

http://spring.me/

Spring.me is the place to share your perspective on anything

Market Share by Top Websites

2 In terms of market share, BigDoor is clearly lagging behind, losing to Spring Me in all segments.

Websites Categories

1 BigDoor has better usage coverage in more websites categories. Including Law & Government and Science & Education.

2 Spring Me is leading in Hobbies & Leisure.

Geography

1 BigDoor is leading in most countries, including Australia and Taiwan.

2 Spring Me is leading in Greece.