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 73,976 posts.
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
KVR Audio Forum - Forum - VST Plug-in, AU, AAX, Audio Software Discussion
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. DJI Mavic Drone Forum
DJI Mavic Mini, Mavic, Air, Pro, Enterprise Drone User Group, Discussions, Support, Forum and Online Community
https://mavicpilots.com/  

12. 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/  

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

14. Fantasy Football - Footballguys Forums
Many people go football crazy over sports forums like this one.
https://forums.footballguys.com/forum/  

15. Wilders Security Forums
Community Based Discussions about Online Privacy, Security and Data Protection
http://www.wilderssecurity.com/  

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

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

18. 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  

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

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

21. 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/  

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

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

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

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

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

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

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

31. Bodybuilding.com
The most popular bodybuilding message boards!
https://forum.bodybuilding.com/  

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

33. Bitcoin Forum
Forum has 8,128 topics.
https://bitco.in/forum/  

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

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

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

37. 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/  

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

39. Supercell Community Forums
Supercell's official Community Forums for all fans of Clash of Clans and Hay Day! Join today!
http://forum.supercell.net/forum.php  

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

41. 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  

42. 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/  

43. 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/  

44. TubeBuddy Forums
Forum has 140,541 posts.
https://community.tubebuddy.com/  

45. Bali Expat Forum
A forum for expats living in Bali Indonesia
http://balipod.com/forum.php  

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

47. 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/  

48. 3D Robotics Drone Forum
3D Robotics Solo Drone Information, Forum, Help and Community
https://3drpilots.com/  

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

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