AI Perfect Assistant vs Kerna

AI Perfect Assistant is an AI productivity tool for drafting and editing messages and documents and handling routine writing tasks. It can compose full emails, reply to messages, correct spelling and grammar, translate or paraphrase text, and prepare presentation outlines. Its listed toolkit includes more than 60 tools for tasks such as summaries, formula generation, SEO, meeting minutes, and OCR. Integrations include Microsoft Teams, Word, Excel, PowerPoint, OneNote, Outlook, Google Docs, Google Sheets, Google Slides, Gmail, Chrome, and Telegram. The company lists Android, iPhone, iPad, and Windows installations, as well as web and browser-extension access. The free plan costs nothing and allows 10 tokens per month with the default model. Premium is listed at $16.99 a month, billed annually; the pricing note says paid plans start at $25.99/user/mo. Premium lists DeepSeek, Gemini, ChatGPT, Claude, and Perplexity model selection. An internet connection is required. The company says it encrypts data in transit and at rest and does not store Office documents or emails.

Kerna is an AI email assistant for Gmail and Outlook on macOS, Windows, and the web. At a user’s request, it sorts open messages into categories such as Urgent, Respond, Invoice, Waiting, and Notification; users can also set custom categories and industry taxonomies. It drafts replies based on the full thread, with controls for intent and tone, and makes structured thread summaries for conversations of up to 50 messages. It can summarize attachments, extract selected fields into exportable tables, and translate inbound messages and outbound replies in 45 languages. Integrations include Calendar, Contacts, and Sheets as well as Gmail and Outlook. Kerna says it acts only when a user initiates a request, processes content in memory, discards it afterward, and redacts personal data before it reaches the inference provider. Its trust information reports TLS 1.2 or higher in transit and AES-256 encryption at rest. Kerna has a free plan; paid plans start at €12/mo. Outlook requires a Microsoft-hosted mailbox; POP or IMAP and on-premises Exchange are unsupported.