Top 10+ AI App Development Companies in Sept 2025 [+Cost]
Published On September 19th, 2025 Engineering
78% of companies worldwide have already adopted AI into their everyday business operations.
This shows that AI has taken over every industry possible and is still growing. AI-powered apps help businesses automate redundant tasks, which greatly eliminates human errors and also improves decision-making and customer experience.
That said, the growing demand has led to a surge in AI application development services, making it difficult for business owners to choose the right one.
This blog covers 10+ top AI app development companies, their services, and pricing to help you make informed decisions.
Key Takeaways
- AI drives growth and profits: 87% of SMBs say it scales operations, 86% see better margins.
- 92.1% of businesses report measurable results from AI, including faster decision-making and simplified processes.
- Partner with an AI development company like CONTUS Tech that has delivered 50+ custom AI solutions and supports rapid AI agent implementation.
Table of Contents
How Does AI App Development Differ from Traditional App Development?
AI-driven apps are completely different from traditional apps. Instead of focusing on pre-defined programming rules, AI app development companies go with AI training models that learn from the given data and give improved performance over time.
Simply put, traditional apps rely on pre-defined logic, while AI apps analyze and respond to diverse inputs like text, audio, and image. AI apps are built for scalability to adapt to the growing business data and user needs.
These modern AI application development services make sure that your AI app continues to learn and adapt even after deployment. They are also responsible for taking care of other requirements, such as ethical considerations, like data privacy, an unbiased algorithm, and transparency.
Summary Comparison Table
To better understand how AI-powered apps differ from traditional apps, let’s take a look at the operational and functional factors. These factors explain how both apps handle data, learning, and the decision-making involved in building these apps. Comparing them side by side, you can quickly understand the unique advantages AI apps bring.
| Aspect | Traditional Apps | AI-Powered Apps |
| Programming Approach | Built on fixed code and a defined approach. | Uses machine learning models that learn and improve over time. |
| Data & Input Handling | Handles structured, predictable inputs only. | Can process text, images, speech, and other unstructured data. |
| Scalability & Flexibility | Requires manual updates to scale and adapt. | Scales automatically and adjusts to new demands smoothly. |
| Adaptation & Learning | No learning after launch; stays static. | Continuously adapts and improves accuracy using real-world data. |
| Core Functionality | Automates predefined tasks and workflows. | Produces intelligent, data-driven decisions and predictions. |
| Ethical Considerations | Mostly centered on security compliance. | Must address privacy, bias, and transparency for responsible AI use. |
List of the Best 10 AI App Development Companies
Choosing the right AI app development company can change how your business operates. Here is a list of 10 AI app development companies with details, starting from location, core expertise, their AI app development services, and Clutch rating, among other important factors.
These factors not only help you compare companies effectively but also ensure you select a partner that aligns with your business goals, project requirements, and budget. Just by understanding how each company approaches app development using AI, you would know what values and impact they would bring to your business.
| Company | Headquarters | Core Expertise | Best For | Key Strengths |
| CONTUS Tech | Chennai, India | AI agent, agentic AI, AI recommendation engine, RAG, AI app development, AI chatbot, LLM customization, and AI product development. | Businesses looking for custom AI apps, android app development with AI, chatbots, recommendation engines, and enterprise automation. | End-to-end development (POC to deployment), 2–8 week delivery, strong data security, ethical AI focus, and global presence. |
| Rootstrap | California, USA | GenAI & custom LLMs, computer vision, machine learning. | Full AI/ML product builds. | Strong in strategy + discovery, ethics, and compliance. |
| Azilen Technologies | Ahmedabad, India | AI development, IoT development, AI agent development | Mid-size and enterprise companies | Legacy systems & infrastructure. |
| LeewayHertz | California, USA | Generative AI, AI agents, and data engineering. | Enterprises looking for end-to-end AI-/ML-powered products. | AI strategy consulting. |
| 10Pearls | Washington, DC, USA | AI consulting & assessment, generative AI. | Businesses looking to scale and integrate AI into existing workflows. | AI readiness & ethics and global presence. |
| MobiDev | Georgia, USA | AI consulting, AI agents, and recommendation systems. | Businesses that need full-stack AI products. | Production-ready deployment. |
| AIBrain | Palo Alto, USA | Cognitive reasoning engine (AICoRE), and humanoid AI. | Projects in ed-tech, gamification, and entertainment. | Multi-modal AI and global presence. |
| Backendless | Texas, USA | AI-powered APIs, OpenAI API integration. | Developers and businesses who want to add AI features to existing systems. | Easy integration via marketplace & cloud code/UI builder. |
| Appy Pie | Uttar Pradesh, India | AI-powered no-code / low-code app & website. | Businesses that need to launch apps/websites quickly with minimal coding. | Offers drag-and-drop app building and workflow automation. |
| ThirdEye Data | California, USA | Full-stack AI development, computer vision, and NLP. | Companies that want IT staff augmentation and NLP solutions. | AI strategy, development, and integration. |
| DataRoot Labs | Kyiv, Ukraine | AI R&D services, including generative AI and machine learning. | Startups and enterprises seeking AI-driven product development. | AI development and prototyping. |
1️⃣ CONTUS Tech
First on the list is CONTUS Tech, offering AI application development services, starting from AI agent development and generative AI to AI/ML model production. The company has offered services to startups, mid-sized companies, and Fortune 500 companies.
With a track record of 50+ custom solutions and 500+ AI projects, CONTUS Tech has applied its AI app development expertise across industries such as entertainment, e-commerce, education, manufacturing, healthcare, and other key industries.
CONTUS Tech specializes in cross-platform app development using AI, such as AI agents and agentic AI like multi-agent AI, conversational AI agents, and personalized AI assistants. It can also handle business workflows to help make informed decisions.
A commitment to data privacy and compliance, combined with up to 70% cost savings in AI app development, makes CONTUS Tech one of the top AI app development companies.
- Established: 2008
- Employees: 1,000+ Agile talents, 150+ in-house AI developers
- Time-zone coverage: 40+ countries, 10+ time zones
- Contact Details: bd@contus.in
- Clutch Rating: 4.9/5
2️⃣ Rootstrap
Rootstrap’s AI application development services include AI models, data handling, and general AI integration for a range of industries. The team also takes care of AI-based automation for operational tasks.
The company engages in Android app development with AI to create applications that improve user experience. These applications are built to be scalable and adaptable to the growing needs of users’ demands.
- Established: 2011
- Employees: 200+ professionals
- Time-zone coverage: South America, North America (Pacific Time)
- Contact Details: info@rootstrap.com
- Clutch Rating: 4.5/5
3️⃣ Azilen Technologies
Azilen Technologies delivers end-to-end AI app development services designed to help enterprises launch intelligent, market-ready applications. Their team combines expertise in machine learning, natural language processing, computer vision, and generative AI to create solutions such as conversational agents, predictive analytics tools, and image-driven experiences.
By focusing on user engagement and robust performance, Azilen helps companies transform ideas into scalable, production-grade AI products. Known for a collaborative approach, Azilen manages every phase of the lifecycle—from strategy and architecture to deployment and long-term support.
Businesses looking to integrate advanced AI capabilities benefit from Azilen’s ability to tailor applications to specific industry needs, ensuring each product delivers measurable value and a competitive edge.
- Established: 2009
- Employees: 250-500
- Time-zone coverage: US Pacific Time
- Contact Details: info@azilen.com
- Clutch Rating: 4.6/5
4️⃣ LeewayHertz
LeewayHertz provides AI app development solutions starting from predictive analytics, AI-powered chatbots, to recommendation engines.
They specialize in data engineering, machine learning model creation, and AI agent development. The team focuses on building intelligent single or multi-agent systems that automate workflows, enhance operational efficiency
Like many AI app development companies, LeewayHertz offers end-to-end services from strategy to deployment and has delivered 50+ AI initiatives.
- Established: 2007
- Employees: 250+ professionals
- Time-Zone Coverage: Global client reach
- Contact Details: sales@leewayhertz.com
- Clutch Rating: 4.4/5
5️⃣ 10Pearls
10Pearls offers AI app development services across multiple industries such as healthcare, finance, and education. Their services include AI app development, AI consulting, and AI framework development to support various business aspects.
The company helps businesses in managing and processing training data to maximize AI accuracy. The team specializes in helping select suitable LLM and custom models that fit the industry use case in terms of both performance and ethical standards.
These solutions support analytics, recommendation systems, virtual agent integration, workflow automation, and ensure they adapt to growing business needs.
- Established: 2004
- Employees: 1300+ professionals
- Time-zone coverage: North America, Latin America, Europe, South Asia
- Contact Details: info@10pearls.com
- Clutch Rating: 4.7/5
6️⃣ MobiDev
MobiDev’s services are delivered across industries, including healthcare, finance, and retail. Their services range from AI consulting, development, and integration to support everyday business activities through artificial intelligence.
Their research-driven approach has helped their clients update legacy systems. This has improved their clients’ digital transformation and scalability greatly.
- Established: 2009
- Employees: 200+ professionals
- Time-Zone Coverage: US and Poland
- Contact Details: contact@mobidev.biz
- Clutch Rating: 4.8/5
7️⃣ AIBrain
AIBrain mainly focuses on cognitive AI, robotics, and education. Their AI solutions are for areas like sports technology, humanoid robotics, and virtual learning.
Like many AI app development services out there, they also offer AI consulting, app development, and integration. This supports businesses in enhancing user experience and workflow automation.
Their services highlight their focus on creating AI apps customized for different industries and business objectives.
- Established: 1997
- Employees: 20+ staff
- Time-Zone Coverage: North America, Europe, Asia
- Contact: help@aibrain.com
- Clutch rating: Not disclosed
8️⃣ Backendless
Backendless, like the name, provides no-code and low-code options for backend creation. Their solutions include APIs like image generation and editing via OpenAI. These work together with the visual builder and a serverless setup.
The company’s AI application development services help add features like media generation and content creation. Their approach highlights flexibility while letting teams manage their backend effortlessly.
- Established: 2012
- Employees: 20+ professionals
- Time-Zone Coverage: Primarily US
- Contact: info@backendless.com
- Clutch Rating: Not disclosed
9️⃣ Appy Pie
Appy Pie provides a platform where users can build simple apps without extensive coding knowledge. The platform includes a basic AI app generator, a no-code builder, and features to turn existing websites into apps.
The platform applies AI in app development to simplify design and automation. Other features include handling backend processes and content management. These solutions let businesses create basic AI apps and automate workflows.
- Established: 2015
- Employees: 250-300
- Time-Zone Coverage: North America, Europe, Asia
- Contact: sales@appypie.com
- Clutch rating: Nil
🔟 ThirdEye Data
ThirdEye Data is a full-stack AI development company that delivers customized AI solutions to enterprises. The clientele majorly includes healthcare, retail, IT, and manufacturing, delivering tools.
The team specializes in multi-agent frameworks to improve workflow automation and integrates AI apps with existing systems. Their AI solutions focus on scalable solutions and tangible results.
- Established: 2010
- Employees: 150+ professionals
- Time-Zone Coverage: North America, Asia
- Contact: answers@thirdeyedata.io
- Clutch rating: 4.6/5
1️⃣1️⃣ DataRoot Labs
The final company in the list of AI app development is DataRoot Labs. One of their prominent services includes R&D for data science and & AI-powered startups.
The development process begins with designing a solution architecture document, which outlines the suitable ML or DL architectures. Following this, the team develops and tunes models.
After deployment, they monitor performance and provide knowledge-sharing workshops for ongoing support.
- Established: 2016
- Employees: 11 to 50 employees
- Time-Zone Coverage: 17 time zones
- Contact: info@datarootlabs.com
- Clutch rating: 4.8/5
Intelligent App Development Cost Estimation Guide
AI app development cost depends on a few important factors. It can range from $10,000 to over $500,000, depending on the core features and complexity involved. Sometimes it may also vary depending on the team size, their expertise, and industry.
Some additional factors, like project timeline, scalability goals, and quicker delivery demands, do influence the cost of an AI app development.
One last factor to consider is the required performance potential of the AI app, e.g, if your app needs to handle a million requests every day. Then, of course, real-time data processing and maintenance costs are going to influence the AI app cost as well.
Let’s take a quick look at the most common factors influencing the cost of AI app development.
AI App Development Cost Estimator Formula
Here is a formula to calculate the cost of AI in app development.
Estimated Cost = Base App Type Cost + (AI Feature Costs × Complexity Factor) + Integration Cost + UI/UX Design + Data Management Cost
- Base App Type Cost: The starting cost to build the core application, without any AI features.
- AI Feature Costs: Additional AI modules, such as NLP, ML models, or sentiment analysis.
- Complexity Factor: The difficulty level of the project. Multiplies cost by scope.
- Integrations: Price for connecting to CRMs, ERPs, or APIs.
- UI/UX Design: A smooth and intuitive interface.
- Data Management: Data collection, cleaning, labeling, and training.
| Cost Component | Estimated Cost Range | Example / Impact on Cost |
| Base App Type Cost | $10,000 – $20,000 | A simple FAQ chatbot may start at $10,000 for basic text responses. More advanced chatbot frameworks with multi-platform support can go beyond $20,000. |
| AI Feature Costs | $7,000 – $25,000+ | Adding NLP to understand user queries may add $7,000–$15,000. If you add sentiment analysis or multilingual capabilities, the cost can increase to $25,000+. |
| Complexity Factor | 1x – 2x multiplier on total cost | A 1x chatbot might just handle FAQ responses. A 2x chatbot could do real-time sentiment detection, speech-to-text, and integrate with your CRM to personalize responses. |
| Integration Cost | $5,000 – $20,000+ | Integrating the chatbot with Slack or HubSpot can cost $5,000–$10,000. A complex integration with a custom ERP system could add $20,000+. |
| UI/UX Design | $5,000 – $15,000+ | A basic chat widget with minimal design may cost $5,000, whereas a fully branded, animated chatbot UI with custom avatars can exceed $15,000. |
| Data Management Cost | $10,000 – $20,000+ | Creating training data for the chatbot’s intent detection may cost $10,000. Large, domain-specific datasets (e.g., healthcare) can raise costs to $20,000+. |
Wrapping up
AI app development costs depend on the chosen features, project complexity, integration levels, UI/UX design, and data management needs. In this blog, we have explored the top companies that are into artificial intelligence app development.
One last factor to consider when choosing an AI app development company is to not just look at expertise, but also to do quick research on the proven track record of delivering reliable solutions.
Among these top AI app development companies, CONTUS Tech stands out for its comprehensive approach. With 150+ dedicated AI developers and deep expertise across industries, the company delivers an AI POC in as little as 2 to 8 weeks. The implementations have shown up to 70% of cost savings.
By choosing a company like CONTUS Tech, businesses can leverage faster time-to-market, reduced costs, and maintain a competitive advantage.
