Overview

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hi ai is an online email client that lets you reply to emails instantly using AI.
Connect your email account, load your inbox, and start generating responses with ChatGPT, Google Gemini, or DeepSeek. The AI learns your writing style so responses sound like you.

- Generate a response, review it, edit or regenerate if needed, then send!
- Connect Google Sheets or Excel to give AI more context
- Zero email storage - your data stays private

Perfect for customer service teams or anyone who wants to speed up their email workflow while keeping that personal touch.

For free email ai tools: https://hiaireply.com/free-ai-email-tools

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Initial release

September 5, 2025

hi ai

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Initial release of hi ai.

hi ai

@hiaireply

hiaireply.com

Stats

1 tool

3karma

Beginner

Joined: September 2025

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Pricing model

Paid

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$20/month

Billing frequency

Monthly

Refund policy

30 Day Money Back Guarantee

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$10 off with code "TAAFT"

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Reviews

4.7

Average from 3 ratings.

★ ★ ★ ★ ★ 2

★ ★ ★ ★ 1

★ ★ ★ 0

★ ★ 0

★ 0

Comments(3)

Jordan Kumar

🛠️ 2 tools 🙏 16 karma

Sep 29, 2025

@ initial release

Rated it

Used hi ai to clear a bunch of emails. I drop a few bullets and it gave me a clean draft that sounds like me. Fast, simple to modify and the free try gives you a taste. Would love a bit more control on longer threads, but as a time saver it works.

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Au Cigars

Sep 20, 2025

@ initial release

Rated it

We use this tool for our business - amazing!

Reply Share Delete Report

hi ai

🛠️ 1 tool 🙏 3 karma

Sep 20, 2025

@ initial release

Rated it

Time Saving.

3 Reply Share Delete Report

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Pros and Cons

Pros

Learns user's writing style

Integration with Google Sheets

Generates customer service replies

Significant reduction in response times

Offers smart inbox

Instant email replies

Data sync capabilities

Customizable GPT usage

High data encryption

Maintains high privacy standards

Zero Email Storage Policy

Pro Plan available

Increased productivity and efficiency

Google Gemini model

ChatGPT model

Customizable email theme

Multiple language options

Editable Email Signatures

Custom GPTs option

Fine-tuned Jobs feature

API usage metrics

Two-factor authentication

Password security

Secure account deletion

Google Drive access

Multiple email provider support

Integrated billing feature

Email tracking option

Training and fine-tuning models

Integration with multiple email accounts

GPT-4 and Gemini 2.0

DeepSeek-V3 and Chat model

Email generation feature

Incorporation of user signatures

Pro plan increased features

Multiple email account linking

Privacy by design

Zero Email Storage

End-to-End Encryption

Complete Data Control

Multiple plan options

SOC 2 Compliant

GDPR Ready

View 38 more pros

Cons

No offline functionality

Limited software integration

Zero permanent email storage

Requires full-time internet connection

Limited language support

High dependence on Google Sheets

No data import/export features

No free plan available

No desktop app available

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David Valdez

Q&A

What can hi ai do to enhance my email workflow?

hi ai can enhance your email workflow by using its AI capabilities to generate emails instantly, adapt to your writing style, provide instant replies and manage email data through its smart inbox. It integrates with your main software tools like Google Sheets and allows you to customize the usage of GPT models as per your specific needs. It streamlines your customer service interactions by fast-tracking reply times and can actually learn from your writing style to create responses.

How can hi ai learn my writing style?

hi ai's AI algorithms are designed to learn a user's writing style by analyzing patterns, phrases, and terms frequently used in their written communication. Over time, this allows it to create automatic replies or craft new emails that adhere to the user's distinctive style and tone of language.

How does hi ai integrate with Google Sheets?

hi ai integrates with Google Sheets by allowing you to connect your Google Sheets account directly to the hi ai application. This means that you can pull data from and input data to your sheets directly from hi ai and use that data for your email tasks.

In what ways can hi ai streamline my customer service interactions?

hi ai streamlines customer service interactions by utilising AI to generate customer service replies. This reduces response times significantly, enhancing efficiency and productivity. It also reduces the manual effort needed to craft individual responses, making customer service operations more efficient.

What AI models does hi ai use and how can they be useful for my tasks?

hi ai uses different AI models including Gemini, ChatGPT, and DeepSeek AI. These models can be used to refine the process of generating emails. For example, ChatGPT is known for its creativity and nuance, while Gemini focuses on speed and directness, and DeepSeek for reasoning. You can choose the model that best suits your communication needs.

What are the capacities of hi ai's smart inbox?

hi ai's smart inbox offers the capability of instant replies, meaning it uses its AI capabilities to provide responses without delay. It also comes with data synchronization abilities so you can manage email data seamlessly between your devices and platforms.

+ Show 14 more

How can I customize my GPT usage with hi ai?

In hi ai, you can customize your GPT usage through the settings. This allows you to select and fine-tune your preferred generative AI model like the Gemini, ChatGPT, and DeepSeek AI according to your unique business or communication requirements.

What are the specific data security and privacy measures in place with hi ai?

Maintaining high privacy standards and security measures are among the top priorities of hi ai. It emphasizes on data encryption, protecting passwords, access tokens, and sheet content. Further, it implements a Zero Email Storage Policy, ensuring that no email data is permanently stored on its servers.

What does hi ai's Zero Email Storage Policy imply?

hi ai's Zero Email Storage Policy implies that user emails are not stored permanently on the hi ai servers. Instead, user emails are loaded dynamically when the user is signed in, thereby enhancing the privacy and security of user data.

What are the benefits of using the Pro Plan provided by hi ai?

The Pro Plan in hi ai provides an advanced, feature-rich experience that supports better productivity and efficiency. It offers facilities like unlimited email sending, connection with up to 5 email accounts, sheet connectivity, tracking API, and even the ability to train and fine-tune ChatGPT models.

How does hi ai's email automation work?

hi ai leverages its AI capabilities to automate email processes. Whether it's generating customer service replies, creating new emails, or providing instant responses, hi ai uses its AI algorithms to ensure these tasks are done promptly and proficiently.

How is hi ai's AI able to generate instant replies?

hi ai can generate instant replies through its AI-powered smart inbox. The AI algorithms are designed to analyze the content and structure of incoming emails and formulate appropriate, speedy responses that align with the user's writing style.

Can hi ai support software integration beyond Google Sheets?

While the specific details about software integration beyond Google Sheets are not listed on their website, hi ai's platform is designed with capabilities to learn a user's writing style and integrate with their primary software infrastructure, suggesting potential for integrations with a variety of services.

What productivity improvements can I expect from using hi ai for email management?

Using hi ai for email management can greatly enhance productivity. It can cut down on the time spent crafting and sending emails, assist in handling customer service interactions more efficiently, provide AI-powered instant responses, and synchronize data seamlessly, all of which contribute to better time management and effective workflow.

What does personalizing my GPT models do in hi ai?

Personalizing your GPT models in hi ai allows you to fine-tune the AI response to suit your specific communication needs. Depending on your requirement, you can select models known for their speed and clarity, creativity and nuance or logical reasoning and apply them as per your communication style.

How does hi ai handle data synchronization?

hi ai handles data synchronization by integrating with external software such as Google Sheets and ensuring the email data managed within the hi ai inbox and the external platforms are consistently aligned and updated in real time.

How do hi ai's customer service reply generation features function specifically?

hi ai's automatic customer service reply feature works by leveraging its AI capabilities. It reviews incoming customer inquiries and uses its learnt lessons from the user's writing style to generate fitting responses promptly. This reduces the time customers need to wait for a response, improving customer satisfaction.

What's entailed in hi ai's end-to-end encryption?

hi ai's end-to-end encryption means that all at-rest and in-transit data, including passwords, access tokens, and sheet content, are encrypted. This means that only the sender and intended recipient, and no one else, not even hi ai, can access the shared information.

How does the 'Train and Fine-tune ChatGPT models' feature work in hi ai's Pro Plan?

The 'Train and Fine-tune ChatGPT models' feature in hi ai's Pro Plan allows users to tweak and customize ChatGPT models to boost their business communication. It enables users to significantly improve the effectiveness of their email automation by adapting the AI performance to fit their unique requirements.

Can hi ai help me generate emails instantly?

Yes, hi ai helps you generate emails instantly. It uses advanced AI models like Gemini, ChatGPT, and DeepSeek AI to create email content swiftly, regardless of the complexity or specificity of the task. Furthermore, with features like learning user's writing style, it ensures the generated content is consistent with the user's tone and style.

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