Top 100 Startup App Developers
The Best of December 2025Looking for a top Startups mobile app developer?
As mobile solutions become increasingly vital to business success, your choice of app developer carries added significance. Searching for and vetting potential partners can be an exhausting process.
Check out our directory of Startup mobile app development companies. Browse reviews and ratings and scan by industry or specialty to find the company that's the best fit for you.
List of the Best Startup Mobile App Development Companies
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61$25,000+50 - 249 employeesKyiv, UkraineLaunched in 2010, Glorium Technologies is an ERP consulting and SI company. The firm provides ERP consulting and SI, Custom Software Development, Digital Strategy, Artificial Intelligence, and more and has a midsize team. The firm is in Houston, Texas; Kyiv, Ukraine; Pafos, Cyprus and Kraków, Poland.Read More
Clients
CAE Healthcare PACS Harmony Bodyo ITR SoftwareIndustries
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62$25,000+250 - 999 employeesPalo Alto, CARead More
Reinvently is a mobile strategy and app development agency in Palo Alto, Calif. and Dallas. With a team of about 43 employees, the agency specializes in UI/UX design, research and consulting, and engineering.
Clients
Men's WearhouseIndustries
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63$25,000+50 - 249 employeesPrague, Czech RepublicRead More
OAKS LAB is a midsize software development firm. Founded in 2016, the agency is based in Prague, Czech Republic. Their team provides Custom Software Development, Web Development, Artificial Intelligence, IT staff augmentation, and more.
Clients
Blue Owl Productboard Nasdaq Private Market Blackpoint CyberIndustries
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64$10,000+250 - 999 employeesIT CRAFT is a midsize IT staff augmentation company. The Berlin, Germany-based agency was established in 2001. Their services include IT staff augmentation, Custom Software Development, Web Development, Mobile App Development, and more.Read More
Clients
Nando’s Arctieval Adorama MyCarrierIndustries
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65$25,000+10 - 49 employeesLisboa, PortugalCustom software development firm Altar.io was established in 2015. They are in Lisboa, Portugal and London, England and have a small team. Altar.io offers Custom Software Development, Artificial Intelligence, Mobile App Development, Product Design, and more.Read More
Industries
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66$10,000+10 - 49 employeesIstanbul, TürkiyeRead More
Brew Interactive is an interactive agency in Istanbul, Turkey. Founded in 2009, Brew Interactive's team of 10 employees specializes in UX/UI design, web design, and web development.
Clients
SkodaIndustries
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67$10,000+10 - 49 employeesRaftLabs is a mobile application development firm. Their small team is headquartered in Dublin, Ireland; Ahmedabad, India and Los Angeles, California. The company focuses on Mobile App Development, Custom Software Development, Artificial Intelligence, Web Development, and more.Read More
Clients
Aldi Instantor Energia VodafoneIndustries
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68$10,000+50 - 249 employeesPoznań, PolandRead More
Appunite is a custom software development company. The midsize Poznań, Poland-based team specializes in Custom Software Development, Web Development, Mobile App Development, Web Design, and more. The agency was launched in 2010.
Clients
FishbrainIndustries
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69$25,000+10 - 49 employeesRead More
ClearSummit is a mobile app, web development, and custom software engineering firm founded in 2014. Based in Virginia and Los Angeles, the 22-member team specializes in building digital products. They primarily serve funded startups and corporate clients.
Clients
BelkinIndustries
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70$25,000+10 - 49 employeesNew York, NYRead More
Established in 2021, OSMOS is a mobile application development firm. They are located in New York, New York and have a small team. Their services include Mobile App Development, UX/UI Design, Mobile & App Marketing, Custom Software Development, and more.
Clients
Crawler HEARST XSHACK COCOONIndustries
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71$25,000+10 - 49 employeeslondon, EnglandRead More
Thought&Function is a digital agency founded in London in 2017 with no more than 10 members. They are experts in web development, mobile app development, and UX/UI design solutions for clients in the industries of financial services, education, and health care.
Clients
DoctorLinkIndustries
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72$10,000+50 - 249 employeesTallinn, EstoniaSoftware development company Brocoders is located in Tallinn, Estonia; Sumy, Ukraine; London, England and Warszawa, Poland. The midsize team offers Custom Software Development, Mobile App Development, Web Design, Web Development, and more and was founded in 2014.Read More
Clients
iFit - Interactive Fitness & Workout App HeyPractice, an AI-based Learning Platform MoolaX, Smart Cashflow Management Solution Every Pig, Online Logistics Platform for Swine Production IndustryIndustries
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73$25,000+50 - 249 employeesFarShore, a web development firm, was launched in 2006. Their midsize team is in Chicago, Illinois and Chicago, Illinois. The firm specializes in Web Development, Mobile App Development, and UX/UI Design.Read More
Clients
Oars + AlpsIndustries
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74$10,000+50 - 249 employeesDa nang, VietnamEnlab Software, a custom software development firm, is located in Da nang, Vietnam and Austin, Texas. They offer Custom Software Development, Enterprise App Modernization, Mobile App Development, and Web Development and were founded in 2013.Read More
Clients
VantagePoint ConsultingIndustries
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75$25,000+10 - 49 employeesNewport Beach, CARead More
Revealize Inc. is a web development agency that has been offering web design and web development services to their clients since 2017. Their 10 employees are based out of Newport Beach, Calif.
Clients
SaaStockIndustries
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77$25,000+10 - 49 employeesWatford, EnglandRead More
AppDrawn is a software solutions company founded in 1999. Their headquarters are in London and they have a second office in Barcelona. Across these 2 locations, they have a team of a dozen staff that do custom software development, web development, and mobile app development for small and medium-size businesses.
Clients
AspireIndustries
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78$10,000+10 - 49 employeesLos Angeles, CARead More
Sunrise Integration is a software development firm. They are located in Los Angeles, California and have a small team. Their team provides custom software development, web development, mobile app development, e-commerce development, and more.
Clients
Live Nation Ferrari Rakuten MarvelIndustries
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79$10,000+50 - 249 employeesAlicante (Alacant), SpainAnadea is an artificial intelligence firm. The midsize team is headquartered in Alicante (Alacant), Spain and Las Vegas, Nevada. Their services include Artificial Intelligence, Web Design, IT staff augmentation, Custom Software Development, and more.Read More
Clients
Zillow Visdeal The Electric Car Scheme KeystoneIndustries
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80$1,000+50 - 249 employeesSan Jose, CARead More
Gummicube, Inc., a Mobile & App Marketing company, was launched in 2010. They are based in San Jose, California and have a midsize team. Gummicube, Inc. Specializes in Mobile & App Marketing, Mobile App Development, and Digital Strategy.
Industries
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81$5,000+10 - 49 employeesKyiv, UkraineRead More
Faster Than Light is a software development company based in Kyiv, Ukraine; Tallinn, Estonia and Barrie, Canada. The small agency was established in 2016. Their team provides Custom Software Development, Web Development, Mobile App Development, and Web Design.
Industries
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82$25,000+50 - 249 employeesVilnius, LithuaniaRead More
Corner Case Technologies is a digital product development company based in Vilnius, Lithuania, with an office in London, UK. The company, founded in 2016, has a team of around 30 IT professionals who provide custom software, web, and mobile app development services to various businesses and institutions.
Clients
Sejico MindTales Kiosk SEIFAIndustries
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83$5,000+10 - 49 employeesStruga, North MacedoniaRead More
Eagle IT Solutions is a software development company. The small team is based in Struga, North Macedonia. Their services include custom software development, mobile app development, web development, IT strategy consulting, and more.
Industries
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84$25,000+50 - 249 employeesKošice, SlovakiaSudolabs is an AI firm in Košice, Slovakia; San Francisco, California; San Francisco, California and West Hollywood, California. They offer Artificial Intelligence, AI Consulting, UX/UI Design, IT strategy consulting, and more and were founded in 2017.Read More
Clients
The Expert (https://www.theexpert.com/)Industries
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85$5,000+10 - 49 employeesDenver, CORead More
Neon Rain Interactive is a Denver-based custom web development firm that was founded in 2002. The firm has around 10 employees and provides custom software development, web design, and web development services mainly to small businesses.
Clients
SprintIndustries
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86$25,000+50 - 249 employeesBoston, MAHeadquartered in Boston, Massachusetts; Warsaw, Poland and Tbilisi, Georgia, SumatoSoft is a custom software development company. The midsize firm was established in 2012. Their team offers Custom Software Development, IoT development, Web Development, Mobile App Development, and more.Read More
Clients
The World Bank Beiersdorf Toyota Dexai RoboticsIndustries
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87$25,000+10 - 49 employeesMcMinnville, ORRead More
Buildable Custom Software is a software development firm in McMinnville, Oregon; Portland, Oregon and Pacific City, Oregon. The small agency was founded in 2008. Their team specializes in Custom Software Development, UX/UI Design, Mobile App Development, and Web Development.
Clients
Citycounty Insurance ServicesIndustries
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88$10,000+10 - 49 employeesRead More
Gorazdo Studio is an UX company. Their small team is located in Amsterdam, Netherlands and focuses on ux/ui design, web development, web design, product design, and more. The firm was founded in 2018.
Industries
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89$10,000+10 - 49 employeesPoznań, PolandAdchitects is a small web design agency launched in 2016. Their team focuses on Web Design, Web Development, Mobile App Development, and Low/No Code Development. The agency is located in Poznań, Poland and New York, New York.Read More
Clients
The Explorers Club HELM GMS KynetecIndustries
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90$75,000+50 - 249 employeesRio Branco, BrazilEstablished in 2015, White Prompt is an IT strategy consulting company. The midsize Lewes, Delaware-based team provides IT strategy consulting, Web Development, Mobile App Development, UX/UI Design, and more.Read More
Clients
AqutoIndustries
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