| App | Installs | Publisher | Publisher Email | Publisher Social | Publisher Website |
| 100M | Wattpad.com | *****@wattpad.com |    | http://www.wattpad.com/help | |
| 72M | Fitbit LLC | *****@fitbit.com | - | http://help.fitbit.com/ | |
| 70M | H&M | *****@arket.com | | https://www.cos.com/ | |
| 70M | Nike, Inc. | *****@nike.com | | https://www.nike.com/nikestudios | |
| 64M | Inditex | *****@zara.com |  | http://www.zara.com/ | |
| 62M | Cricket Wireless LLC | *****@mobileposse.com | | http://home.cricketwireless.com/ | |
| 60M | CNN | *****@turner.com | | http://commercial.cnn.com/mobile/africaview/faqs | |
| 56M | McDonalds USA, LLC | *****@us.mcd.com | | http://www.mcdonalds.com/ | |
| 51M | PayPal, Inc. | *****@venmo.com | | https://venmo.com/ | |
| 51M | Unlimited DT Security Studio | *****@gmail.com | - | https://best.bestline.co/ |
Full list contains 650 apps using Optimizely in the U.S, of which 546 are currently active and 378 have been updated over the past year, with publisher contacts included.
List updated on 4th May 2024
The Optimizely SDK is a Analytics SDK provided by Optimizely, Inc.. By integrated this SDK, apps have the capabilities of A/B Testing.
A breakdown of countries and app categories used by Optimizely apps.
Most popular Optimizely alternatives in 2024.
| SDK | Apps Integrated | Provider |
| 2K | Sauce Labs Inc. | |
| 922 | Leanplum, Inc. | |
| 327 | Taplytics Inc. | |
| 316 | Apptimize, Inc. | |
| 36 | 神策网络科技(北京)有限公司 | |
| 5 | Marketo, Inc | |
| 2 | 北京球球趣玩科技有限公司 |
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