10+
Downloads
Content rating
Everyone
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About this app

Find out my heart right away with RENST!
When you wonder how you're feeling right now, RENST predicts eight emotional states (happy, excited, annoyed, comfortable, calm, bored, depressed, anxious) through real-time ECG measurements.

Main features

*Measure your emotions whenever you want
Request an ECG measurement at a time set by the user, so you can check your emotions without missing a beat even in your busy daily life.

*Customized vibration healing stimulation
Provides preset vibration stimulation to the chest to help relieve negative emotions or stress

*Change your mood with music
When you need a more refreshing mood, enjoy the vibration stimulation synchronized with your favorite song!

*Emotion diary & visualization
Record measured ECG data and emotional state in a diary to check your own emotional history at a glance

Find a better you every day with RENST, a partner who understands your emotions!
Updated on
Jan 4, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Personal info
Data is encrypted in transit
You can request that data be deleted

What’s new

UI와 버그가 수정되었습니다.

App support

About the developer
(주)네스트
nest.appdevelop@gmail.com
대한민국 39177 경상북도 구미시 대학로 61, 벤처창업관 306호(거의동, 금오공과대학교)
+82 10-3342-4517