恋愛温度計 - もしもの恋愛シミュレーター
Mayth Lifestyle In-app purchases
Visualize the "emotional connection" between two people based on their LINE chat history. AI also predicts the other person's reply.
- Rating
- 4.8
- 9 ratings
- Downloads
- 227+
- on Google Play
- Price
- Free
- In-app purchases
- Updated
- Oct 11
- 2026 · v1.2.0
Screenshots
About 恋愛温度計 - もしもの恋愛シミュレーター
What does that special someone really think of you after your conversations?
Love Thermometer is a relationship analysis app that reveals the "temperature of your relationship" simply by importing your LINE chat history. Furthermore, the "What If" feature uses AI to predict how the other person would have responded if you had replied differently.
■ Just Import, and It's Analyzed Automatically
- Visualize the volume and tempo of your conversations, reply speed, and exciting days in graphs.
- Display the "temperature of your relationship" as a score.
- Gently summarize and notify you of small daily changes.
■ "What If"—What if I had changed that message?
By rewriting your past messages, the AI predicts how the other person would have responded as a continuation of the "What If" scenario.
In "Think About a Reply," the AI suggests three possible responses to the current conversation, based on your speaking style.
*This is an AI-predicted simulation, not based on the actual statements of the other person.
■ Weekly Report
A summary of the changes in your relationship's temperature, insights, and exciting days throughout the week. Signs of the other person's affection and their "next move" are available as AI analysis in the premium version.
■ For people who:
・Want to take another step closer to someone they like
・Want to subtly find out if there's mutual interest
・Want to review their messaging and replying style
・Want hints on the art of romantic maneuvering
■ Privacy Considerations
・Temperature calculation, daily summaries, records, and searches are all processed only within the device.
・Only when using AI-powered features ("What If," "Current Reply," "Weekly Report") will a portion of the conversation necessary for that feature be sent to the AI (Claude). The entire chat history will never be sent.
・Sending will only occur with your consent, and you can withdraw your consent at any time from the settings.
*The imported chat history includes the other person's information. Please use this feature only after obtaining the other person's consent.
■ Pricing
Basic functions are available for free. Some functions, such as "What If," are available with a premium (auto-renewing subscription) or a one-time ticket.
* Premium features: Daily ticket delivery / Plenty of "Current Reply" usage per day (free is 1 per day) / Access to AI analysis in weekly reports
* Premium: Weekly / Six-month auto-renewal plan
* What If Tickets: 3 / 15 / 45 tickets (single purchase)
* Please check the latest price and duration for each product on the in-app purchase screen.
* Payment will be charged to your Google Play account upon purchase confirmation.
* Subscriptions automatically renew until canceled and will be charged at the start of each billing period. To stop the next billing, please cancel before renewal.
* You can cancel and manage your subscription anytime from "Profile icon > Payments & subscriptions > Subscriptions" in the Google Play Store app.
Privacy Policy: https://daffy-angle-c7a.notion.site/lovetemp-privacy
Terms of Service: https://daffy-angle-c7a.notion.site/lovetemp-terms
Love Thermometer is a relationship analysis app that reveals the "temperature of your relationship" simply by importing your LINE chat history. Furthermore, the "What If" feature uses AI to predict how the other person would have responded if you had replied differently.
■ Just Import, and It's Analyzed Automatically
- Visualize the volume and tempo of your conversations, reply speed, and exciting days in graphs.
- Display the "temperature of your relationship" as a score.
- Gently summarize and notify you of small daily changes.
■ "What If"—What if I had changed that message?
By rewriting your past messages, the AI predicts how the other person would have responded as a continuation of the "What If" scenario.
In "Think About a Reply," the AI suggests three possible responses to the current conversation, based on your speaking style.
*This is an AI-predicted simulation, not based on the actual statements of the other person.
■ Weekly Report
A summary of the changes in your relationship's temperature, insights, and exciting days throughout the week. Signs of the other person's affection and their "next move" are available as AI analysis in the premium version.
■ For people who:
・Want to take another step closer to someone they like
・Want to subtly find out if there's mutual interest
・Want to review their messaging and replying style
・Want hints on the art of romantic maneuvering
■ Privacy Considerations
・Temperature calculation, daily summaries, records, and searches are all processed only within the device.
・Only when using AI-powered features ("What If," "Current Reply," "Weekly Report") will a portion of the conversation necessary for that feature be sent to the AI (Claude). The entire chat history will never be sent.
・Sending will only occur with your consent, and you can withdraw your consent at any time from the settings.
*The imported chat history includes the other person's information. Please use this feature only after obtaining the other person's consent.
■ Pricing
Basic functions are available for free. Some functions, such as "What If," are available with a premium (auto-renewing subscription) or a one-time ticket.
* Premium features: Daily ticket delivery / Plenty of "Current Reply" usage per day (free is 1 per day) / Access to AI analysis in weekly reports
* Premium: Weekly / Six-month auto-renewal plan
* What If Tickets: 3 / 15 / 45 tickets (single purchase)
* Please check the latest price and duration for each product on the in-app purchase screen.
* Payment will be charged to your Google Play account upon purchase confirmation.
* Subscriptions automatically renew until canceled and will be charged at the start of each billing period. To stop the next billing, please cancel before renewal.
* You can cancel and manage your subscription anytime from "Profile icon > Payments & subscriptions > Subscriptions" in the Google Play Store app.
Privacy Policy: https://daffy-angle-c7a.notion.site/lovetemp-privacy
Terms of Service: https://daffy-angle-c7a.notion.site/lovetemp-terms
What’s new
Version 1.2.0 · Updated October 11, 2026
恋愛温度計のAndroid版を公開しました。 LINEのトーク履歴をもとに、AIによる「もしも」の会話や返信の提案を楽しめます。 テスターの皆さまからの声をもとに、相手の追加機能や返信タイミングの調整、画面の見やすさを改善しました。
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