AI · alternatives · 2026

24 alternatives to Harmony AI Voice Assistant

Manage email and calendar with voice

Harmony is an AI voice assistant designed for Gmail and Google Calendar management. Users can handle email and calendar tasks through voice commands while driving, exercising, or multitasking. The tool helps users… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1
April▲664
Reach Inbox Zero by speaking with your email & calendar
2025 · apps.apple.com · its alternatives →
2
NovaVoice▲578
Hey HN, Today I’d like to show what I’ve recently built with my 2 friends. We’ve called it Nova. The idea is to built all-purpose AI Voice Assistant, which is able to interact with mail, to-do apps, messengers and socials, task trackers, apps like UberEats, Notion and some other daily apps. How we decided to work on it: We’ve recently read YC Request for startups Summer25 and were inspired by the idea of AI Voice Assistant for Mail by YC partner Tyler Bosmeny. What we’ve got: We’ve gone a bit further than Assistant for mail only and connected Gmail, Todoist, Google Calendar, and…
Apr 2026 · novavoice.app · its alternatives →
3
Cal.ai Email Assistant▲918
World's first open source AI scheduling assistant
2023 · cal.com · its alternatives →
4
Voxa.pro▲99
Your intelligent voice assistant
2024 · its alternatives →
5
Saldor▲117
Hands-free email and calendar.
2025 · saldor.com · its alternatives →
6
Gmail in the Gemini Era▲371
Ask your inbox anything to get summaries, drafts, & more
Jan 2026 · blog.google · its alternatives →
7
Quartz▲270
AI email client built for focus. Runs locally on your Mac
Jun 2026 · quartzmail.ai · its alternatives →
8
Dola: AI Calendar Assistant▲417
Smartly plan & sync life in seconds on your messaging app
2024 · its alternatives →
9
Gentle Invoice▲140
AI-powered inbox assistant for managing invoices
2025 · its alternatives →
10
API.AI for Google Assistant▲378
Build conversation actions for Google Home and more
2016 · its alternatives →
11
Harmony▲11
AI-powered shared calendar to find Harmony in your busy life
2024 · findharmony.io · its alternatives →
12
Mode AI▲112
AI Assistant in your pocket
Apr 2026 · modeai.io · its alternatives →
13
Shortwave AI Email Assistant 2.0▲214
The ultimate search, analysis, and productivity companion
2024 · shortwave.com · its alternatives →
14
FlickNote - AI Voice Assistant▲129
Speak your thoughts, sync everywhere.
Nov 2025 · flicknote.app · its alternatives →
15
Voice Mate - AI powered Voicemail▲127
Missed calls answered, summarized, and delivered instantly
Dec 2025 · voicemate.us · its alternatives →
16
SkimAI▲176
Transform your inbox into a hub of efficiency
2024 · skim.page · its alternatives →
17
Morning Commute▲138
Voice-powered email management for your daily commute
2025 · its alternatives →
18
Read AI for Gmail▲172
Capture conversations wherever they occur
2024 · read.ai · its alternatives →
19
Langchain AI Email Assistant▲164
The prototype of ambient agents
2025 · agentinbox.ai · its alternatives →
20
HeyHelp▲237
Gmail with a brain
2025 · heyhelp.ai · its alternatives →
21
Async for Gmail and Chrome▲200
Add voice notes to your emails and your work apps
2023 · chromewebstore.google.com · its alternatives →
22
Shortwave AI Assistant▲163
Your AI-powered executive email assistant
2023 · shortwave.com · its alternatives →
23
Inbox Narrator▲84
AI-powered email summaries delivered by voice
2023 · inboxnarrator.com · its alternatives →
24
Kiara▲81
Your AI Voicemail Assistant
2025 · meetkiara.io · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →