Forums in the Mobile Apps Niche

1. GolfWRX
Golf news, equipment, reviews, classifieds and discussion
http://www.golfwrx.com/forums/  

2. PetGroomer.com GroomerTALK and
Pet grooming forum for dog and cat groomers and mobile.
http://www.petgroomerforums.com/chat/forum.php  

3. www.drone-forum.com
Forum has 11,605 members.
https://www.drone-forum.com/forum/  

4. Webmasters, SEO, Internet Marketing & Digital Marketing Forum
WebmasterSun is the most popular webmaster and internet marketing forums. You will find more useful information and resource here!
https://www.webmastersun.com/forums/  

5. BattleOn Forums!
https://forums2.battleon.com/f/  

6. PPCGeeks
PPCGeeks is a site for PPC owners with discussion, reviews, news, links, downloads, and much much more. We cover Windows Mobile, Android, Windows Phone 7, Blackberry, iOS, and tablets.
http://forum.ppcgeeks.com/  

7. KVR: Forum Index
Forum has 378,368 topics.
https://www.kvraudio.com/forum/  

8. Overclockers UK Forums
Overclockers UK Forum powered by Xenforo
http://forums.overclockers.co.uk/  

9. forums.crackberry.com
The #1 Community Forum for BlackBerry Users & Abusers! BlackBerry Help, Discussion, Rumors and More...
https://forums.crackberry.com/  

10. Games Dreams
Welcome to Games Dreams - Discussion forums for Facebook games, browsers games, MMO games, flash games, android games, iPhone iPad games, etc.
https://gamesdreams.com/  

11. SikhNet
SikhNet makes a person's spiritual journey relevant in the context of the modern world and the way people live now. For over 24 years SikhNet has served the millions and is the largest Sikh...
https://www.sikhnet.com/discussion/  

12. R2IClubForums
Return To India
https://www.r2iclubforums.com/forums/  

13. Fantasy Football - Footballguys Forums
Forum has 11,992,505 posts.
https://forums.footballguys.com/forum/  

14. Wilders Security Forums
Forum has 2,104,143 posts.
http://www.wilderssecurity.com/  

15. iPhone, iPad, iPod Forums at i
Discuss and get help with iPhone, iPad, iPod touch, iOS, and iCloud
https://forums.imore.com/  

16. VideoHelp
This forum will help you with all your video and audio questions!
https://forum.videohelp.com/  

17. RunningForums.com
This website is for sale! runningforums.com is your first and best source for all of the information you’re looking for. From general topics to more of what you would expect to find here,...
http://www.runningforums.com/index.php  

18. ChiefTalk Forum
https://chieftalk.chiefarchitect.com/  

19. BleepingComputer.com
A free community and discussion forum for answering Computer Help, Security, and Technical Support questions.
http://www.bleepingcomputer.com/forums/  

20. Google Community
The #1 Unofficial Google Forum to discuss and chat on the use of Google products and services, such as Gmail, AdWords, AdSense, Analytics and YouTube.
http://www.gforums.net/  

21. Whatbird Community
Forum has 558,891 posts.
https://www.whatbird.com/forum/  

22. Tech Support Guy
Free computer help.
http://forums.techguy.org/  

23. The Popjustice Forum
It's all about the music except when it's not.
https://forum.popjustice.com/  

24. VBForums
Visual Basic Discussions plus .NET, C#, game programming, and more (http://www.VBForums.com)
https://www.vbforums.com/forum.php  

25. CodeGuru Forums
Hard hitting articles, dicussions, resources, and more all focusing for real developers in the real world.
https://forums.codeguru.com/index.php  

26. Ubuntu Forums
A help and support forum for Ubuntu Linux.
http://ubuntuforums.org/  

27. DonationCoder.com
DonationCoder.com Forum - Index
https://www.donationcoder.com/forum/  

28. UAV Coach Community Forum
https://community.uavcoach.com/  

29. Wacom
Forum has 6,592 posts.
http://forum.wacom.eu/  

30. Java Forums at the Big Moose S
https://www.coderanch.com/forums/  

31. Apolyton Civilization Site
Just missed out on a spot in the top 25.
https://apolyton.net/forum.php  

32. Bitcoin Forum
Bitcoin Forum is a community of developers, academics, and entrepreneurs dedicated to promoting and improving Bitcoin.
https://bitco.in/forum/  

33. Cable
Virgin Media (ex ntl & Telewest) Customer support and community forum
https://www.cableforum.co.uk/board/  

34. MacRumors Forums
Apple news and rumor discussion
http://forums.macrumors.com/  

35. My Local Services
Welcome to our 100% free and friendly Small Business Forum. Gain advice, help and join in the business discussion and banter.
https://www.mylocalservices.co.uk/forum/  

36. affLIFT
Affiliate marketing forum filled with over 50,000 affiliates and exclusive guides, case studies, and example affiliate marketing campaigns!
https://afflift.com/f/  

37. www.hrbuzz.com.au
HR Buzz is a collaboration resource for Australian HR people.
https://www.hrbuzz.com.au/forum/  

38. Viewing list of forums
The SoundDomain forum is the place to go for all your car audio, stereo, installation, and mobile video questions.
http://forum.sounddomain.com/ubbthreads.php  

39. Digital Spy
Digital Spy Forum and Community, a place to discuss the latest TV, Movie and entertainment news and trends.
http://forums.digitalspy.co.uk/  

40. GameSpot
Join the discussion around video game news, reviews, previews, and walkthroughs for the PS4, Xbox One, PS3, Xbox 360, Wii, PC, 3DS, and DS.
https://www.gamespot.com/forums/  

41. TubeBuddy Forums
Forum has 145,976 posts.
https://community.tubebuddy.com/  

42. RESET Forums (homeservershow.com)
Forum has 78,275 posts.
https://homeservershow.com/forums/  

43. Webmasters, SEO, Internet Marketing & Digital Marketing Forum
The #1 internet marketing forum for marketers, SEO specialists, webmasters, web hosting, affiliates and a marketplace to buy and sell services.
http://www.webmastersun.com/  

44. Cell Phone Forums
Cell Phone Forums is a community for all types of cell phone users. Active forum discussion about all types of cell phone service providers and manufacturers provides an outlet for users to get...
https://cellphoneforums.net/forum.php  

45. 3D Robotics Drone Forum
3D Robotics Solo Drone Information, Forum, Help and Community
https://3drpilots.com/  

46. Beyond3D Forum
The world's best online 3D graphics discussion!
http://forum.beyond3d.com/  

47. Sports Card
SportsCardForum is your source for everything related to sports cards for collectors and non-collectors alike!
https://www.sportscardforum.com/forum.php  

48. Cathe Friedrich Fitness Forums
Cathe Friedrich forums about fitness, health, nutrition and workouts.
https://cathe.com/forum/  

49. Neowin
News, Reviews & Betas which includes large community peer support
https://www.neowin.net/forum/  

50. SysOpt Forums
This is a discussion forum for all aspects of computer systems optimization and customization
https://www.sysopt.com/forum.php