Forums in the Mobile App Niche

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

2. 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/  

3. 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  

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

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

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

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

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

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

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

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

12. 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  

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

14. 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/  

15. 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/  

16. 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  

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

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

19. www.skimble.com
Skimble forums.
https://www.skimble.com/workout-trainer/forums/  

20. 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/  

21. Canon Digital Photography Foru
Digital photography forums for amateurs and professionals alike with photo gallery and photo sharing. Canon, Nikon, Leica, Sony, Panasonic, Olympus, Fuji and other brands. DSLR, mobile, mirrorless,...
http://photography-on-the.net/forum/  

22. The Niche Laboratory Forum
A new forum for discussing niche sites and making money online.
https://www.nichelaboratory.com/Forum/  

23. [H]ard|Forum
HardOCP Community Forum for PC Hardware Enthusiasts
http://hardforum.com/  

24. Keeptouch Community Portal
Keeptouch Community Portal is an online community based in Singapore, offering a place for exchange of ideas and information in a wide range of topics in the form of forum discussions and Internet...
http://forums.keeptouch.net/  

25. 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/  

26. Best Destination Wedding
The #1 Destination Wedding Planning resource. Get help from other brides, read photographer & resort reviews, DIY invitations, OOT bags & lots more!
http://www.bestdestinationwedding.com/f/  

27. Affiliate Marketing Forum | AffiliateFix
Affiliate Marketing Forum | AffiliateFix. The number one Affiliate and CPA marketing forum online. Affiliate Networks and more.
https://www.affiliatefix.com/  

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

29. 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  

30. forums.woodnet.net
https://forums.woodnet.net/  

31. Home Theater Forum and Systems
A forum community dedicated to home theater owners and enthusiasts. Come join the discussion about home audio/video, home theaters, troubleshooting, projects, DIY’s, product reviews and more!
http://www.hometheatershack.com/forums/  

32. Fan Clubs
Fan Clubs is an online community where fans of sports, gaming, and entertainment can connect with people who share similar interests.
https://www.talkwhateveronline.com/  

33. Steve Hoffman Music Forums
Music, audio, tubes, hi-fi, stereo, vinyl, CDs, hi-res, SACDs, video, and the mastering of Steve Hoffman!
http://forums.stevehoffman.tv/  

34. IGN Boards
Hello to all Team Xbox users! Don't be alarmed, you were redirected here from forums.teamxbox.com on purpose as those forums have been taken down. The site has recently been overrun with spam bots,...
http://forum.teamxbox.com/  

35. City-Data.com Forum: Relocatio
City-Data.com forum
https://www.city-data.com/forum/  

36. PLR Database
https://www.plrdatabase.net/forum/  

37. MobileRead Forums
MobileRead - the resource for mobile geeks seeking information and advice for keeping their gadgets happy.
http://www.mobileread.com/forums/  

38. Forums: Digital Photography Re
Expert news, reviews and videos of the latest digital cameras, lenses, accessories, and phones. Get answers to your questions in our photography forums.
https://www.dpreview.com/forums/  

39. Happier Abroad Forum Community
Our Message
https://www.happierabroad.com/forum/index.php  

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

41. Home Theater Forum
Home Theater Forum is a site dedicated to the love of all things cinema and film, home theater equipment and all varieties of home entertainment.
http://www.hometheaterforum.com/  

42. High Lifter Forums
High Lifter Forum
http://forum.highlifter.com/  

43. The PokéCommunity Forums
This is a Pokémon forum for Pokémon fans all over the world. Discussions include games, trading card game, strategies, TV series, movies, role play, fan fiction, and trivia
http://www.pokecommunity.com/  

44. Sybermoms Parenting
Forum has 8,039,235 posts.
http://sybermoms.com/forums/  

45. Anime-Forums.com
Anime Forum community discussion. Anime Forums ranging from Dragonball, Death Note, Haruhi, Naruto, Neon Genesis Evangelion, Love Hina, Trigun, Gundam, Fushigi Yuugi, Sailormoon to Anime Music,...
www.anime-forums.com/forum.php  

46. KVR: Forum Index
KVR Audio Forum - Forum - VST Plug-in, AU, AAX, Audio Software Discussion
https://www.kvraudio.com/forum/  

47. AfterDawn Discussion Forums
Massive tech discussion forums, focusing on digital video, consoles, PCs and software problems.
http://forums.afterdawn.com/  

48. www.dreamincode.net
https://www.dreamincode.net/forums/  

49. debunkingskeptics.com
Forum has 30,833 posts.
https://www.debunkingskeptics.com/forum/index.php  

50. World of Warplanes North American official forum
World of Warplanes — free-to-play online MMO game dedicated to World War II military aircraft. Official Community Forum.
http://forum.worldofwarplanes.com/