RECOMMENDED PROFILE
Cotomo
Cotomo is a Japanese voice-first AI companion for everyday conversation, roleplay, and interactive stories. Users name a companion and set its icon, personality, speaking style, memory, and voice, choosing from four default voices plus paid voices from Japanese voice actors. The Google Play listing describes Japanese voice chats with live English subtitles. Extra voices and story modes are sold through a coin-based in-app purchase system.Read full overviewCollapse overview
Cotomo is a Japanese voice-first AI companion for everyday conversation, roleplay, and interactive stories. Users name a companion and set its icon, personality, speaking style, memory, and voice, choosing from four default voices plus paid voices from Japanese voice actors. The Google Play listing describes Japanese voice chats with live English subtitles. Extra voices and story modes are sold through a coin-based in-app purchase system.
Last checked2026-09-22
01 — OUR TAKE
Who and what it suits
Cotomo positions itself as a voice-first AI companion designed primarily for Japanese conversation. Its main appeal lies in natural voice interactions and customizable character traits, with support for features such as live English subtitles during Japanese conversations. The service follows a freemium model, with some voices and additional features available through paid options. Its privacy policy is publicly available, although it does not clearly explain whether conversation data is used for AI training. Some users also report issues such as memory loss and repetitive responses, which should be treated as user feedback rather than confirmed product defects.
Best for
- Japanese speakers who want a voice-first AI companion for casual, everyday chat.
- Users who enjoy building a character's name, voice, personality, and memory.
- People interested in interactive stories and roleplay with evolving shared memories.
- Those who want English subtitles while following Japanese voice conversations.
Not ideal for
- Users who need a documented English or Spanish interface beyond Japanese subtitles.
- People seeking professional mental-health or crisis support.
- Users who need conversation memory to persist reliably between calls.
What stands out
- Voice-led conversation with four default voices and paid voice-actor options.
- Deep character customization covering icon, name, personality, speaking style, and memory.
- Separate casual, roleplay, romance, and interactive story modes.
What to consider
- Cotomo provides editable and lockable remembered items, but the vendor also acknowledges that recall can be imperfect.
- Its strongest documented experience is Japanese voice conversation; interface-language labels and English support should be verified per platform before broader language claims are made.
02 — RELATED DISCOVERY GUIDES