Separate applications for iOS and Android may be a sensible decision if your project relies on the features provided by only one platform. Nevertheless, for a lot of business applications, building two separate apps means wasting extra engineering efforts that do not generate much extra value for the end user.

For this reason, cross-platform solutions like Flutter or React Native have turned into a practical option for enterprises that plan to release their products for iOS and Android but keep scalability and further development easy at the same time. The challenging thing here is to find an experienced team that knows more than the framework itself.

To compile this list, we analyzed more than 20 mobile development agencies mentioned on Clutch and researched publicly available information about each company such as its specialization, client testimonials, recognition, and past experience with cross-platform projects.

App Development Companies

Top Cross-Platform App Development Companies

Cross platform app development firms included in the list are:

  1. Cleveroad
  2. TechAhead
  3. SolveIt
  4. GeekyAnts
  5. JPLoft
  6. Xmartlabs
  7. EB Pearls
  8. FOONKIE MONKEY
  9. Stakk
  10. Mercury Development

These firms vary on the basis of their size, pricing, specialization and delivery models. Such variations help to make the list beneficial for start-ups as well as firms looking forward to developing a large application environment.

1. Cleveroad

Founded in: 2011
Headquarters: Claymont, Delaware, USA
Industry Expertise: Healthcare, fintech, logistics, education, marketplaces
Reviews: 79 reviews on Clutch, average rating 4.9/5

Cleveroad offers complete cycle mobile product engineering from discovery to UX/UI design, development, QA, cloud integration and post-launch product evolution. As a cross-platform mobile app development company, Cleveroad creates mobile applications that are feature-rich on both iOS and Android platforms but allow developers to use specific elements for different operating systems in case such features are needed by the product.

The expertise of Cleveroad covers healthcare platforms, logistics products, financial applications, marketplaces and education solutions. It is important for those companies that need their mobile application to interact with some back-end systems or third-party services.

Additionally, Cleveroad has been certified under ISO 9001 quality management standards and ISO/IEC 27001 information security management standards.

2. TechAhead

Founded in: 2009
Headquarters: Agoura Hills, California, USA
Industry Expertise: Healthcare, fintech, education, retail
Reviews: 122 reviews on Clutch, average rating 4.9/5

TechAhead produces mobile applications using both Flutter and React Native, as well as native iOS and Android development. The services it offers cover more than the mobile user interface, including work on the cloud architecture, backend development, AI integration, and product design.

TechAhead has experience across multiple industries such as healthcare, finance, retail, and education, and thus is familiar with the varying needs when it comes to integrations and processes. Thus, TechAhead could be an option for companies expecting that the mobile application they produce will eventually be integrated within a larger digital platform.

Furthermore, TechAhead is also a Webby award recipient and has SOC 2 Type II certification.

3. SolveIt

Founded in: 2016
Headquarters: Warsaw, Poland
Industry Expertise: Healthcare, fintech, logistics, retail
Reviews: 52 reviews on Clutch, average rating 5.0/5

Mobile-first product development and usage of Flutter and React Native, together with native technologies, are among the core competencies of SolveIt. Services offered by SolveIt include discovery, UI/UX design, application engineering, backend development, and support.

SolveIt's portfolio encompasses telemedicine, digital banking, transportation, e-commerce, and many more mobile-first projects. Some of the features that SolveIt implements for its clients include mapping functionality, payments, offline storage capabilities, management systems, and integration with third parties.

SolveIt is an optimal choice for startups and growing companies in search of a vendor that would help them deliver their product and develop further iterations without dividing design and engineering across different companies.

4. GeekyAnts

Founded in: 2006
Headquarters: Bengaluru, India
Industry Expertise: Fintech, healthcare, retail, education
Reviews: 119 reviews on Clutch, average rating 4.9/5

GeekyAnts is highly technically involved in the JavaScript and cross-platform world. It makes use of technologies like React Native and Flutter and has also developed open-source development frameworks that are being used by mobile developers.

This is complemented by expertise in backend development, product design, modernization, and AI. Industrial experience includes finance, health care, retail, and education sectors.

The use of open-source frameworks such as NativeBase by the company acts as another indicator of their framework knowledge base. From a buying perspective, this makes GeekyAnts appealing for those customers who want deep expertise in React Native.

5. JPLoft

Founded in: 2010
Headquarters: Denver, Colorado, USA
Industry Expertise: Healthcare, transportation, education, e-commerce
Reviews: 96 reviews on Clutch, average rating 5.0/5

The company offers cross-platform app development via Flutter and React Native along with backend engineering and UX/UI services. In cases when the product requires some additional functionality, JPLoft uses the native iOS and Android development technologies.

The portfolio of their projects includes the development of solutions for the healthcare industry, transportation, social platforms, and e-commerce.

This diversity allows us to consider JPLoft a good option for those who need to create applications involving user accounts, payment solutions, or advanced service workflows.

Moreover, this company is featured in a number of software development directories, which means that it can provide potential clients with quite a large volume of customer reviews.

6. Xmartlabs

Founded in: 2012
Headquarters: Montevideo, Uruguay
Industry Expertise: Healthtech, fintech, SaaS, marketplaces
Reviews: 49 reviews on Clutch, average rating 4.9/5

Mobile development, backend development, UX/UI design, machine learning, and data services make up Xmartlabs. React Native and native development methods are included in its mobile development capabilities, offering teams flexibility when building applications which need something other than shared code.

Healthcare is one of the domains of expertise which stands out at Xmartlabs. In addition to healthcare applications, Xmartlabs has created fintech solutions, SaaS products, marketplaces, and consumer apps.

Open source projects related to mobile development are also hosted by Xmartlabs. This is another example of how engineering professionals can judge its capabilities outside of its marketing efforts.

7. EB Pearls

Founded in: 2004
Headquarters: Sydney, Australia
Industry Expertise: Healthcare, fintech, education, property technology
Reviews: 60 reviews on Clutch, average rating 5.0/5

EB Pearls has over twenty years of experience in digital products. The company offers services like mobile apps, software, product design, and continuous development.

EB Pearls' experience covers industries such as healthcare, financial sector, education, and real estate technology. Such diversity can be helpful for the product development in case the product is a combination of mobile consumer experience with business processes under the hood.

EB Pearls is certified according to ISO 9001 and ISO 27001. The company has won awards from product design organizations and digital experience programs.

8. FOONKIE MONKEY

Founded in: 2010
Headquarters: Miami, Florida, USA
Industry Expertise: Healthcare, fintech, financial services
Reviews: 56 reviews on Clutch, average rating 4.9/5

FOONKIE MONKEY creates mobile applications and digital platforms, including significant involvement in the healthcare and finance industry sectors. The company specializes in cloud development, UX/UI, security, and custom backend solutions.

Such expertise becomes very useful when developing cross-platform apps for working with classified information or integrating with large enterprise software solutions. The company’s knowledge of the regulated business environment provides additional examples for future clients to review while choosing a vendor.

FOONKIE MONKEY has offices both in the US and in Colombia. The company has received more than 50 customer reviews on Clutch.

9. Stakk

Founded in: 2020
Headquarters: London, United Kingdom
Industry Expertise: Fintech, health and wellness, consumer apps, startups
Reviews: 30 reviews on Clutch, average rating 4.9/5

Stakk is a product development firm specializing in mobile apps, merging software engineering with UX/UI design and product management. While larger outsourcing firms’ positioning emphasizes efficiency, Stakk places more importance on collaboration with the product team.

Fintech, wellness, startup, and consumer apps make up Stakk’s portfolio. The relatively high hourly price range indicates Stakk’s focus on working with clients who value product experience and senior experience over lower development cost.

Project management and communication come up quite often in client feedback. These are important elements to consider when choosing a vendor who will collaborate directly with the founder or product team.

10. Mercury Development

Founded in: 1999
Headquarters: Miami, Florida, USA
Industry Expertise: Healthcare, fitness, connected devices, enterprise software
Reviews: 34 reviews on Clutch, average rating 5.0/5

Mercury Development offers more than 20 years of experience with software development for mobile applications. The company has skills in developing applications for mobile, web, cloud, desktop, and connected devices.

The wider engineering background makes Mercury Development particularly suitable for the development of those products that include interaction between the mobile app and the hardware or back end.

Among the verticals where the company works are healthcare, fitness, consumer electronics, and enterprise software. The company has expertise in developing products related to large audiences and connected devices.

How to Choose the Right Cross-Platform Development Partner

The company’s ability to code in Flutter or React Native should not be the sole criteria to consider during selection. Begin with finding out how the team makes decisions about writing shared code or implementing native development.

The architecture is important as well because an ever-growing application will require a bigger number of users, integration, roles, and complicated backend processes. Find out how they will prepare the product for that prior to the start of the development process.

After that, you should look into the projects in your niche or at least having similar technical demands. The same experience is the best indicator that the team had to deal with the same kinds of integrations or security issues before.

Lastly, do not pay attention to the general rating but go through the detailed client reviews. Pay attention to the points about communication, deadlines, problem-solving, and support after the launch.

Final Thoughts

Cross-platform app development will help increase efficiency during delivery of the mobile product; however, the development platform is not the only criterion. It is the team who actually decides whether the developed product is stable and maintainable.

Cleveroad, TechAhead, SolveIt, GeekyAnts, JPLoft, Xmartlabs, EB Pearls, FOONKIE MONKEY, Stakk, and Mercury Development are all specialists in their field, offering unique combinations of deep technological understanding and industry expertise.

To start with, reduce the number of potential vendors by choosing a few companies according to the requirements for your product. Study their portfolio and talk to their tech people; ask them about architecture of your application, and an architecturally sound answer will be better than a long list of technologies.