Over the last few years, a lot of tools and services have been created for app developers.

We can try and compare some of them, but obviously not all.

Here is a list of a lot of them (inspired by Steve Blank's Startup Tools), that we will update as we learn about new ones. Don't hesitate to contact us at contact[at]apptamin.com to help us make that list better!

Market Research

Google's Keywords Tools Google Trends

App Annie - App Ranking, Analytics, Market Intelligence

Distimo - App Analytics, Download Estimations and Insights

Xyologic - A New Approach To Mobile App Search

Apptrace - App Store Intelligence

AppMonsta - App Market Data

Vision Mobile - Ecosystems analyst firm

MetricsCat -Analyze mobile apps data

Also: Apple's App Store, Google Play Store

Mockups/Prototyping

POP (Prototyping on paper) - iPhone App Prototyping Made Easy

Mockabilly - App for creating mockups on iPhone

Interface - Advanced mockup and prototyping for iOS

Blueprint - Mockup iPad app for iPhone and iPad applications

Proptotypes - Turn static designs intro a tappable iPhone prototype

FieldTest - Create mobile interactive prototypes

Dotted Paper

Keynotopia - Use PowePoint/Keynote to Prototype Like a Pro

Justinmind - Rich interactive wireframes to define web and mobile applications

Fluid UI - Mobile Prototypes for iOS, Android and Windows Apps

UI Stencils - Stencils, sketch pads and accessories for UI design

App Cooker - Advanced iOS mockup generator for mobile applications

Proto.io - Mobile prototyping

UXPin - UX design tools built by UX designers

AppGyver's Prototyper - Turn wireframes into an interactive mobile app prototype

App Mockup Tools

WireKit - An iPhone app wireframe kit

DevRocket - Photoshop panel plugin for iOS developers

Flinto - Quickly create iOS prototypes

App Icon Template - App icon template for iOS 7

PortKit - UX Metaphor Equivalents for iOS & Android

iOS 7 Wireframe Kit

Mockuphone - 1 click to wrap app screenshots in device mockup

SketchMirror - Preview your mobile apps directly on your devices

UI Galleries

Mobile Patterns Mobile Mozaic

Crowdfunding (app specific)

AppStori - Crowdsourcing and founding platform for apps

Appbacker - App wholesale marketplace

Appsfunder - Funding platform for apps

AppSplit - Crowdfunding platform for apps

SellanApp - Fund app ideas you love

Kraudmob - Mobile apps crowdfunding

Dandy - App creation in community

Localization

iCanLocalize - Expert translation

Applingua - iOS, OSX & Android App Localization Service

OneSky - Get your apps & websites translated

PO Editor - Free online software localization tool

Acclaro - Mobile application translation

Babble-on - App localization

LocalEyes - App localization

LocTeam - Localize iOS and Mac OS X apps

Gengo - People-powered translation at any scale

Tethras - App translation service

Wordcrafts - Mac OS and iOS localization

LingoTip - Apps translation

Mentez - app localization for Latin America market

Smooth Localize - Localize your iOS app cheaply and quickly

Transfluent - Easily translate your app by using Transfluent's API

Monetization

Scoreloop - Cross-platform SDK for gaming ecosystem (virtual currency, social gaming, etc.)

Playhaven - Mobile game LTV maximization platform

MobInLife - Apps monetization and promotion consulting

Avocarrot - Mobile rewards

Kiip - Real rewards for virtual achievements

Appxperience - Monetize your app by recommending the right apps, to the right user, at the right time, through the right format

Smaato - Real Time Bidding Exchange for mobile ads.

Mobile App Testing

TestFlight - iOS Beta Testing on the fly

HockeyApp - Collect crash reports, get feedback and distribute your betas

Elusivestars - Mobile Application Testing For Developers

Testin - Cross Platform Automated App Testing Solutions

uTest / apphance - Crash/Bug reporting and user feedback

Crashlytics - Crash reporting solution

Errbit - Open source error catcher ( Airbrake compliant)

StartUpLift - Get feedback from users

Bugsense - BigData analysis to support apps

Pieceable - Make iOS apps work in the browser

Acra - Open source android crash reports

Crittercism - Error monitoring

UserMetrix - Application analytics combined with traditional error reporting

Zubhium - Android beta distribution and real time crash analytics

AppThwack - Test your app on 100s of real devices

BugCliper - Plug n play library designed to report bugs

User Feedback/CRM SDKs

Apptentive - In-app feedback for iPhone & Android developers

Appboy - Customer Engagement Platform for mobile apps

Appsfire's AppBooster - Apps engagement and feedback SDK

AskingPoint - Mobile Apps Analytics with a rating widget

HelpShift - The customer support helpdesk for native apps

LivePerson - Mobile chat solution

Jira - Open-source library for collecting feedback

UserEcho for iOS - Collect and manage feedback for your iPhone or iPad application

Appsee - Understand your mobile app users with recordings, heatmaps and in-app analytics reports

TestFairy - Easy Android app testing

Testbirds - Crowdtesting for mobile apps

In-app Analytics SDK

Flurry Analytics - App Analytics for free

Google Analytics - Google Analytics for Mobile

Apsalar - Mobile App Analytics & Advertising

MixPanel - Mobile Analytics

Localytics - Mobile Marketing and Analytics for Apps

Countly - Mobile Analytics

Playtomatic - Open source game Analytics for every Platform

HeatMa.ps - HeatMaps for your iOS app

HeatData - Heatmaps for Mobile Websites

TestFlight Live - Analytics with TestFlight

Placed - Location Analytics

Keen.io - Analytics Platform

Capptain - Pilot your apps

Kontagent - Mobile Customer Intelligence

Claritics - Intelligent Analytics

Followapps - Mobile Engagement Platforms

Applicasa - Mobile game management platform

Bango - Web and app analytics

Marketing Analytics

Tapstream - Marketing Analytics for apps

Yozio - Campaign tracking for mobile apps

Distimo's AppLink - Cross-platform app distribution and conversion tracking

Trademob - Mobile Marketing Analytics

Swrve - In-app marketing platform

Rdrct.it - Universal URL and Custom URL (sharing app content)

Adxtracking - Analyze and optimize mobile app advertising

AppsFlyer - Mobile app measurement and tracking

Push Notifications

Urban Airship - http://urbanairship.com/

PushWoosh - New approach to push notifications

Parse - The complete mobile app platform

Appsfire's Appbooster - Boost your app's engagement

Push.io - Push Notifications

mobDB - Mobile backend service, push notifications

Xtify - Push notifications for iOS, Android, Windows and Mobile Web

mBlox - Smart Mobile Engagement

Quick Blox - Cloud backend API

MixPanel - Mobile Analytics

Appscend - All-In-One Mobile Platform (analytics, push, etc.)

Appoxee - Push Notification Services

Xtify - Push notifications for iOS, Android, Windows and Mobile

Pushwizard - Push notification service & Remote event management

Affiliate Programs

TradeDoubler - Affiliate Marketing for Europe & Brazil

LinkShare - Affiliate Marketing for US, Canada & Mexico

DGM Pro - Affiliate Marketing for Australia & New-Zealand

GeoRiot - Globalize your affiliate marketing

App Websites & Landing Pages

Apptamin - App Website WordPress Themes

Unbounce - Build, publish and test landing pages (w/ Mobile App Templates)

ThemeForest (Grizzly Theme) - Site Templates and Themes

Appify WP - WordPress Theme for iOS and Mac Apps

Launchrock - Set up a "launching soon" page in minutes

Dasapp - Website hosting for mobile apps

Mobtizer - Create landing pages for mobile advertising

Pre-launch platforms

PreApps - Pre-release buzz and exposure

App Store Optimization

MobileDevHQ - SEO for Mobile Apps

Search Man SEO - Mobile SEO for iOS Apps

AppCod.es - App Store SEO

App Store Rankings - Mobile SEO and Keyword Optimization for iOS Apps

iOS Keywords - Keyword solutions for iOS Developers

Appnique - Improve your search ranking in the mobile app stores

App Downloads & Revenue Tracking

App Annie - App Ranking, Analytics, Market Intelligence

Distimo - App Analytics and App Data

AppFigures - App Store Analytics for Mobile Apps

Mopapp - App Store Analytics

AppBot - App Store Reviews & Features delivered daily

FULLER App Analytics - App Data for Japan

Getting Press

HARO (Help A Reporter Out) - Connecting Reporters and News Sources

Appromoter - Brings developers and the media together

Ad Networks

iAd - Apple's advertising network

TapForTap - Mobile Ad Network / Free Tap Exchange

Flurry App Circle - Targeted ads for mobile apps

Chartboost - Technology platform for mobile games

Admob - Monetize and promote your mobile apps with ads

Vungle - Mobile app advertising through Video

loopMe - mobile advertising

Millenial Media - Mobile advertising & monetization

Inneractive - App monetization

Burstly - App monetization platform

Airpush - Mobile ad network

Medialets - Mobile rich media advertising

xAd - Mobile-local advertising & marketing

Pontiflex - Advertising platform

PayPal Media Network

Jumptap - Target mobile advertising

Tapgage - Mobile interstitial ad network

Appia - Ad network

Buzzdoes - App distribution and discovery SDK

Apptap - App advertising network

Pollfish - Survey platform to target users

Mobclix - Real-time bidding mobile ad exchange

Location@scale - Mobile-local advertising

NativeX - targeted advertising

AppFlood - Cross-promotion platform for buying, selling and exchanging mobile traffic

Jampp - Drive installs to your app

Promo Campaigns

AppGratis - 1 free app a day

Appsfire - App Discovery

Free App A Day - The best paid apps for free daily

Surikate - Generate traffic onto mobile apps

AppBounty - Play & Get Paid

Promodispenser - Users get free Gift cards by downloading and reviewing your app

Expert Advices

Clarity - Get great advice

Buy & Sell apps

Apptopia - Buy and sell app ownership

Better Promotion For Your App Using A Great-looking Promo Video

Trackbacks