Appodeal might be a bit more popular than LimeSurvey. We know about 1 link to it since March 2021 and only 1 link to LimeSurvey. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Otherwise check out https://limesurvey.org. Source: over 2 years ago
Here the are: https://appodeal.com/ They work with apps to help them monetize. Kin could partner with multiple firms like these, who are the ones who know lots of developers. Source: over 3 years ago
Survey Monkey - Create and publish online surveys in minutes, and view results graphically and in real time. SurveyMonkey provides free online questionnaire and survey software.
Unity Ads - Unity Ads allows to supplement the existing revenue strategy by allowing to monetize thr entire player base.
Typeform - Create beautiful, next-generation online forms with Typeform, the form & survey builder that makes asking questions easy & human on any device. Try it FREE!
AdMob - Earn more from your mobile apps using in-app ads to generate revenue, gain actionable insights, and grow your app with easy-to-use tools.
Google Forms - Simple web forms from Google.
Facebook Audience Network - Facebook Audience Network is designed to help monetize your apps and websites with ads from global Facebook advertisers.