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AI character companionship + private diary: affection growth and the character's inner "voice".
Visit Official WebsiteProduct Type
Software
Platform
AppleAndroid
Languages
Japanese
Regions
Japan
Pricing
Freemium
Price
Free to download; advanced characters and features unlock via in-app purchases, with specific tiers not publicly disclosed.
Free Trial
✓ Trial Available
Free to create characters, chat, and use the private diary; advanced features require in-app purchases.
Last updated 2026-09-29· Content established
Data may be delayed — always check the official website for the latest info.
Visit Official WebsiteAbout This Tool
momomolo is a Japanese AI character-companion app launched 2026-02-06. Its core is placing "a favorite AI character" into your daily life: you easily create a character or pick from a rich library and talk one-on-one. Its most distinctive feature is "心の声 (the inner voice)"—you can read the AI character's unspoken monologue, reaching a more genuine emotional layer; an "affection system" carefully records relationship changes, and the higher the affection, the closer you grow and the more the character talks and reacts. The app also offers gift exchanges, with the AI preparing surprises for you; all interactions are logged in a "private diary" that feels like social posting but worries no one is watching—only you and your AI partner can read it. For privacy it works offline and protects records with local + cloud dual backup.
Background
momomolo, by Beijing Burst Fruit Technology Co., Ltd, launched on Japan's App Store on 2026-02-06, positioned as an AI character-companion + private-diary emotional app.
Technology
Centered on AI character chat, combined with inner-voice monologue, an affection system, and gift exchange; the private diary supports offline writing with local + cloud dual backup. Underlying model and dialogue mechanics not disclosed.
Market
Launched Japan in 2026-02, App Store rating ~4.9 (~14 ratings), an emerging emotional-companion product; terms/privacy/FAQ are all provided.
Best For
People wanting a fixed AI-character companion who value emotional connectionUsers who journal and want a safe space to ventPlayers who enjoy affection growth and surprise interactions
Editorial Note
The "inner voice + affection + private diary" relationship-raising combo is rare among peers with a strong emotional-bond feel; downsides are the small rating sample, undisclosed paid tiers, and Japan-focused availability.
Strengths
- + Inner-voice monologue reveals a more genuine emotional layer
- + Affection system lets the relationship accumulate with increasing interaction
- + Private diary + offline + dual backup is privacy-friendly
Drawbacks
- − Newly launched with few Japan-region ratings
- − Advanced character/feature tiers not disclosed
- − Primarily Japan-focused with limited other-region coverage
Value Assessment：Worth a try for those wanting a stable AI-character companion who value emotional connection and a safe space to vent.
External Resources
FAQ
What is momomolo and how do I start?
momomolo is an AI character-companion + private-diary app. After download, create or pick an AI character to chat one-on-one and write your mood into a private diary only you and your AI partner can read.
What is the "inner voice"?
The inner voice lets you read the AI character's unspoken monologue, helping you understand its current emotions and thoughts—a signature momomolo mechanic.
Does it cost money?
Free to download for character creation, chat, and the private diary; advanced characters and features unlock via in-app purchases, with prices not yet disclosed.
Is my diary safe?
The private diary is readable only by you and your AI partner, supports offline writing, and is protected with local + cloud dual backup.
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All information on this site is for reference only. Data may be delayed — always verify on the official website. Listings are in no particular order.