Frequently Asked Questions

A. AITOMO is a chat app that lets you talk with AI characters by voice. It combines the latest LLMs (large language models) with high-quality voice synthesis, so you can enjoy natural conversation, roleplay, image generation, and more. Available on both iOS and Android.

A. Yes. AITOMO also runs in your browser, so you can start chatting with your favorite character right away on your phone or PC — no download from the App Store or Google Play required. It is free to start, and the iOS/Android apps are available if you prefer an even smoother experience.

A. Yes. By using the latest LLMs (Large Language Models), we achieve extremely human-like natural conversations, unlike older AI systems with unnatural responses.

A. Yes. AITOMO is available 24 hours a day, 365 days a year. Enjoy conversations whenever it suits you, early morning or late at night.

A. No. An internet connection is required for real-time voice processing and AI response generation. Please use it in an environment with Wi-Fi or mobile data.

A. You can choose from four modes: Real Conversation, Roleplay, RPG Mode, and Japanese Learning Mode. Switch modes to match your purpose and mood.

A. You can preview each character's voice in the app, so we recommend choosing by voice and speech style first. Try out distinct characters like Zundamon or Shikoku Metan one by one to find the one that suits you best.

A. Three options are supported: Anonymous authentication (auto-created on first launch), Google Sign-In, and Apple Sign-In (iOS). Email/password authentication is not used.

A. Yes. You can continue using only the anonymous account. However, we recommend re-logging in with Google/Apple later, for data migration when changing devices and for account recovery.

A. Yes. Data accumulated in the anonymous account—such as chat history, points, and characters—will carry over even after you log in with Google/Apple and link the account.

A. You can delete your account from "My Page" → "Settings" → "Delete Account" in the app. Accounts created with SNS login (Google/Apple) are deleted immediately. For anonymous accounts, data is automatically deleted after a set period following app uninstall.

A. Yes. Basic play is free, and new users receive 300 points upon registration. Points can be replenished by watching ads, daily bonuses, and more, so you can keep chatting without paying.

A. There are three plans including Free. Premium Light (¥880/month — no ads, 2x rewarded ads, and more) and Premium Plus (¥1,980/month — no ads, 5x points, 800pt VIP daily bonus, and more) both include a 3-day free trial and can be subscribed from the website or the app.

A. You can earn points by watching rewarded ads (50pt each), the daily gacha (twice a day), sharing the app, enabling push notifications, inviting friends (1000pt, up to 5 invites), daily bonuses, and consecutive sign-in bonuses. Premium Plus adds an 800pt VIP daily bonus.

A. As a guide: 6pt for text-only messages and 14pt for voice messages (the same for either voice engine). Image generation costs 40–150pt (the highest quality mode is Premium Plus only), asking for a photo within a conversation costs 200pt, automatic AI character generation costs 20pt, and creating a voice clone costs 300pt.

A. For web purchases, cancel from "Manage or cancel subscription" on the Premium screen. For in-app purchases, cancel from iOS "Settings" → "Apple ID" → "Subscriptions", or from "Subscriptions" in the Google Play Store on Android. Premium features remain available until the end of the paid period. Per platform policy, purchased points and subscriptions are generally non-refundable.

A. Yes. On the website (voicevox-chat.com) you can buy point packs (4 options, e.g., 1,500pt for ¥1,200) and premium plans (¥880 or ¥1,980/month with a 3-day free trial) by credit card via Stripe. Points are shared with the app and combine with points earned from ads and daily bonuses in the app.

A. We offer 10+ official VOICEVOX characters, including Zundamon, Shikoku Metan, Kasukabe Tsumugi, Kuroda Takahiro, Shirakami Kotaro, Aoyama Ryusei, Meimei Himari, Kyushu Sora, and Mochiko-san. You can also create original characters with the character creation wizard.

A. With the latest neural voice synthesis technology, we achieve realistic voice that reproduces breathing and intonation. Please give it a listen.

A. Yes. The 5-step character creation wizard lets you set name, personality, speech style, background, and more to create an original character. An AI-powered auto-generation feature is also available, so you can create a character effortlessly.

A. It's a feature that lets you upload audio data (mp3/m4a/wav) and use that voice as your AI character's voice. You can assign a favorite voice, a celebrity-style voice, or even your own voice to a character. The number and validity period of clone voices vary by plan.

A. VoiceVox is a high-quality speech synthesis engine featuring official Japanese character voices such as Zundamon. UltraVoice supports all languages and offers even more realistic, natural expression. Both cost the same per voice message (14pt), so you can choose based on language and the voice you prefer.

A. Yes. By uploading a sample of your voice (in mp3/m4a/wav format) via the voice cloning feature, you can use your own voice as the character's voice. Up to 10 voices can be created on the Free plan (7-day validity), and up to 30 on Premium Plus (21-day validity).

A. Yes. Conversation history is saved in association with your account, so you can revisit past conversations at any time. This supports ongoing relationship building and re-reading of stories.

A. Chat and image generation use external AI services, and the text messages you enter are sent to each AI provider. They handle the data in accordance with their own privacy policies. For details, please see Article 10 "Use of AI Services" in our Privacy Policy.

A. Chat audio is automatically deleted after 7 days, and chat images and AI-generated images after 30 days. Avatars, system character images, user-registered voice files, and videos are retained. Cleanup runs daily at a set time to optimize storage.

A. Yes. Your conversation data is strictly managed. Since it's an AI partner, you can safely share private concerns that might be difficult to discuss with real people. Please see our Privacy Policy for details on data handling.