Could you even envisage a decade ago that you would be able to talk to your speaker, or phone, and make them complete your tasks just by sitting on a couch? At present, it is possible via virtual assistant applications.
Nowadays, the virtual assistant market has grown exponentially. It was valued at $6.37 billion in 2024 to $8.17 billion in 2025 at a 28.2% CAGR. Apps like Siri, Google Assistant, etc. have also created a buzz among users by facilitating them with a streamlined, faster, and efficient process. Brad Smith, the vice chairman of Microsoft has also said that-
“The future of work is digital, and businesses of all sizes need to transform fast.”
It depicts that businesses require embracing the latest technologies such as AI, ML, AR, Deep Learning, NLP, etc. in order to gain a competitive edge among market giants.
From task completion via voice command to managing smart homes, voice assistant apps like Siri, Alexa, Ok Google, etc. are enabling users with seamless interaction and better customer experience.
In the below write-up, we have penned down details on how to develop an app like Siri, key features, benefits, alternatives for voice assistant apps, estimated costs, and more. Keep Scrolling
- Siri’s Journey So Far
- How are Virtual Assistant Apps like Siri Benefitting Industries?
- Prominent Features to Add in a Virtual Assistant App like Siri
- Popular Virtual Assistant Apps like Siri
- What are Things to Consider While Developing an App like Siri?
- How Much Does it Cost to Develop an App like Siri?
- Take a Note
- FAQs
Siri’s Journey So Far
Launched in 2010, Siri was an independent AI voice assistant app before being acquired by Apple in 2011. At first, it was introduced in the iPhone 4S, reforming how users interacted with devices. With time, Apple improved Siri continuously by combining it with HomeKit for Smart Home control (2014) and making it available for Apps like WhatsApp, Uber, PayPal, etc. (2016).
In 2018, Apple introduced Siri Shortcuts, enabling users for custom voice commands to streamline tasks. Apple shifted Siri’s processing to on-device AI completely in 2021 for enhanced privacy and faster responses. After that, it is unceasingly getting better by integrating advanced features and technologies.
Market Size and Growth of Apple Siri over the Years:
- Used by 98% of Smartphone users, Siri has not been used by many people consistently.
- In 2017, it was reported that 9% had started using Siri multiple times in a day, while 65% didn’t use it at all, in a survey conducted by the USA.
- Further, the global virtual assistant services market size was calculated at USD 4.12 billion in 2020 and is projected to grow at a CAGR of 24.4% from 2021 to 2028.
- The overall number of virtual assistants was valued at 3.9 million in 2020 and is estimated to increase by 8.4 million by 2028.
How are Virtual Assistant Apps like Siri Benefitting Industries?
AI voice assistant apps like Siri, Google Assistant, and Alexa are modernizing industries by improving efficiency, automating tasks, and refining customer experiences. Below are some advantages to describe how they are benefiting diverse industries:
- Improved Productivity & Efficiency
AI voice assistant app like Siri helps users by automating tasks such as scheduling, data entry, and setting reminders so that they can concentrate on strategic work. It manages workflows by combining with enterprise software including ERP, CRM, etc. Users can get instant access to business reports, insights, and analytics using virtual assistant apps.
- Enhanced Customer Engagement
Voice assistant app like Siri facilitates customers with instant responses to their queries, improve satisfaction, and reduce wait time. They can get excellent personalized experiences based on their past interactions, history, and preferences. These virtual assistant apps are available for users 24/7, alleviating the need for human assistance.
- Smart Decision-making with AI Data
Businesses are able to make smart decisions based on gathered data and insights by AI and Machine learning solutions. These personalized assistants analyze user behavior and encourage them for data-driven decisions. It leads to better predictive analytics across industries like healthcare, finance, eCommerce, etc.
- Personalized User Experience
Enterprises emphasize to develop apps like Siri as it is capable of adapting user preferences and choices to interact with them more naturally. They also apply AI chatbots to provide them with customized recommendations for shopping, fitness, entertainment, etc. These virtual assistants support multi-language functionality to serve users worldwide.
- Cost Savings & Business Automation
Applying AI voice assistant apps helps businesses reduce overall costs by removing customer support teams and automating processes. They are helpful in cutting labor costs, improving efficiency, managing the bulk of customer queries, and optimizing task automation in verticals like finance, logistics, and customer services.
Also Read: How to Develop an AI Voice Assistant App in 2025
Prominent Features to Add in a Virtual Assistant App like Siri
To develop an app like Siri, integrating both basic and advanced features is essential. Therefore, we have curated a list of required features below, have a look:
- Text-to-speech (TTS)
This feature is integrated into apps like Siri to easily convert AI-generated responses into human-like speech while offering diverse voice options for a personalized experience.
- Smart Search & Instant Responses
AI voice assistants fetch real-time data from databases and search engines to provide relevant answers to users’ queries (weather and news updates, political knowledge, etc.).
- AI-based Personalization
AI-enabled virtual assistants like Siri adapt to user choices and preferences depending on previous interactions to provide them with personalized responses. It also predicts their requirements and provides proactive suggestions.
- Emotion Recognition & Sentiment Analysis
This feature is beneficial to detect user emotions via voice tone analysis and adjusts responses accordingly using sentiment detection. It improves conversational depth and engagement.
- Multilingual Support
An app like Siri must include a multilingual feature to support real-time language translation and enable smooth communication. It is suitable for businesses to enhance their global reach.
- Security & Biometric Authentication
Voice assistants like Siri, Alexa, OK Google, etc. leverage voice recognition for user authentication. It also supports biometric verification, while applying encryption for data privacy.
- AR & Virtual Assistant Integration
Businesses leverage Augmented Reality-based devices and smart glasses with voice assistant apps to provide interactive user experiences. Moreover, it is ideal for industries like education, retail, healthcare, etc.
- Smart Home Integration
AI voice assistant app integrated with Smart homes fully controls IoT devices such as thermostats, smart lights, and security systems. It automates home tasks and works well with diverse platforms like Alexa, Google Home, and HomeKit.
Learn More: AI Chatbot Development: Cost, Key Features & Benefits
Popular Virtual Assistant Apps like Siri
App like Siri are redesigning industries by making processes automated, more efficient, and user-friendly. With the advancement of AI technology, businesses are highly adopting virtual assistants to stay competitive in the digital landscape.
Have a look at the below table to learn about alternatives to AI voice assistant apps like Siri:
| Virtual Assistant | Founded Year | Ratings (Avg.) | Key Features | Pros | Cons |
| Google Assistant | 2016 | 4.5/5 | Voice search, Real-time translations, Smart home control, Multi-device support, Task automation | Supports multiple languages, Highly accurate, Integrates well with Google services | Privacy concerns, Requires internet for most tasks |
| Amazon Alexa | 2014 | 4.4/5 | Smart home automation, Shopping & voice commerce, Music & media control, Custom Alexa skills | Best for smart home devices, Expands with third-party apps, Large skill library | Can misunderstand commands, Dependent on the Amazon ecosystem |
| Samsung Bixby | 2017 | 3.8/5 | Device control, Bixby Vision (AI-powered image recognition), Deep phone integration, Quick commands | Works well with Samsung devices, Can execute complex tasks | Limited third-party app support, Slower than competitors |
| Mycroft AI | 2015 | 4.0/5 | Open-source voice assistant, Privacy-focused, Customizable AI, Smart home integration | Open-source & customizable, Works on Linux, No data tracking | Not as advanced as major assistants, Requires manual setup |
| Hound | 2016 | 4.1/5 | Fast speech recognition, Deep AI processing, Hands-free control, Smart search | Extremely fast, Supports natural conversation, Accurate results | Limited availability, Fewer smart home integrations |
What are Things to Consider While Developing an App like Siri?
While developing an AI voice assistant app like Siri, it is essential to carry out the process with extreme planning and execution to get the best outcome. Following are some key points to consider:
- Choose the right technologies and tools as they will have a great impact on your budget. You can go for AI-powered technologies such as Natural Language Processing, Machine Learning, and Automatic Speech Recognition. Consider ML frameworks like Google Dialogflow, TensorFlow, etc.
- Before starting to create your own virtual assistant, select suitable platforms considering all the ups and downs to grab the attention of your targeted audience base.
- Develop an app like Siri by keeping your end-users in mind. Research their requirements, and expectations, and implement their feedback by developing the right voice tone and language.
- Create a list of required features based on your estimated budget. Adding unnecessary features will increase the project’s complexity, leading to enhanced costs and time to develop an AI voice assistant app.
- Implement end-to-end encryption, voice authentication, and GDPR compliances to enhance user privacy and security, improving their overall experience with virtual assistant applications.
How Much Does it Cost to Develop an App like Siri?
To develop an app like Siri, you require leveraging various pioneering technologies, tools, and features. Apart from that, there are diverse significant factors that can highly affect the overall cost including-
- Size of the Development Team
- Project Complexity & Size
- Location of the AI Development Company
- App Maintenance & Support
- Number of Features
- UI/UX Design
- Technology Stack
Further, you need to choose a suitable hiring model among fixed cost, cost-per-hour, and Time & Material according to your budget. Hence, the estimated AI voice assistant app development cost will range between $35,000 and $150,000. The initial development cost will fall between $35,000 and $45,000.
It can fluctuate up or down depending on the discussed factors. Therefore, it will be good to determine project aspects at first. Additionally, the entire process of building an app like Siri will take around 8 to 10 months based on the team’s experience, the team size, features, etc.
Take a Note
Artificial Intelligence is one of the most embraced technology trends by businesses across diverse industries. We can get an idea about its popularity by looking at the success of AI voice assistant apps like Siri which has become an irreplaceable part of the daily lives of people. You can also find its other famous alternatives such as Alexa, Echo, OK Google, Bixby, etc. that have automated the daily tasks for users.
If you are also looking to develop an app like Siri, contact Octal IT Solution. We are a leading AI voice assistant app development company with a proficient team of developers. We assure you that help you to build a suitable solution driven by AI. Join us to refine your services!
FAQs
To build an AI voice assistant app like Siri, you need to integrate technologies like Natural Language Processing, Text-to-Speech, Speech-to-Text, Image Recognition, voice recognition, Noise Control, Machine Learning Models, and cloud services.
You must go for a voice assistant app like Siri as it will help you to improve customer engagement & experience, enhance instant support, manage your shopping experience, and boost sales. It will also facilitate users with faster order processing, hands-free processes, and others.
Yes, AI assistants can be integrated with existing software systems like ERPs, CRMs, websites, chatbots, and mobile applications using APIs, to improve business productivity.
You can go for text-based interactions as well, but they are as effective as voice assistants for automation, lead generation, and elevated customer support. Voice assistant apps also provide greater accessibility and convenience.
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