Comparison

Zero Tochu零触 vs Korro

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Zero Tochu零触

Control your adult toys with this app, offering smart connections, personalized settings, and secure encryption. Explore your needs, deepen relationships, and add fun to intimate moments.

Highlights
  • Smart Bluetooth connection
  • Personalized vibration settings
  • Preset and custom modes
  • Usage tracking for health
  • Secure encryption
  • Remote partner interaction
Features
Read full description

Z E R O C H U We design, produce & sell cutting-edge, realistic adult toys. A new brand with a bold vision: CHASING EXTREME TACTILE SENSATIONS. Over a decade of passion, quality & innovation Not just toys a journey to explore beauty, joy & fearless pleasure Embrace a shameless, ecstatic life with ZEROCHU, inspire your infinite confidence, imagination & passion Realize your dream of an intimate life in your heart. More stories at www.zerochu.com Zero Tochu is an intelligent adult toy controller app designed specifically for users who pursue a high-quality life experience. It integrates the latest Internet of Things technology and personalized customization features, allowing users to easily and safely control their adult toys, providing an unprecedented private entertainment experience. And the APP motto is make you happy,and enjoy yourself. **Core functions**: 1. Smart Connection: ZeroTochu can quickly establish a stable connection with your adult toy through Bluetooth technology, enabling seamless control. No matter where you are in the room, you can always enjoy the fun brought by the toy. 2. Personalized Settings: We offer a variety of preset modes for you to choose from, including gentle, wild, progressive, and other intensity settings. Additionally, you can customize the vibration frequency, intensity, and duration according to your preferences, creating a personalized and intimate experience. 3. Secure encryption: ZeroTochu also can track your usage frequency and duration, assisting you in understanding your physical condition, rationally scheduling your entertainment time, and maintaining physical and mental health. **Usage Scenarios:** - Enjoy private moments alone and explore your own needs. - Engage in remote interactions with your partner to deepen your relationship. - On special occasions or anniversaries, surprise each other. **Note**: - Please ensure that your adult toy supports Bluetooth connectivity. - Please read the instruction manual carefully before use to ensure correct operation. - ZeroTochu is exclusively for adult use. Please adhere to relevant laws, regulations, and ethical standards. ZeroTochu Smart Adult Toy Controller is a private entertainment application that integrates intelligence, safety, and personalization. It not only meets your pursuit of a high-quality life, but also adds more fun and surprises to your intimate relationship.

About

Korro

This app uses AI and computer vision to enhance pediatric occupational therapy. It offers immersive, adaptive sessions for children and provides detailed performance analysis for therapists and caregivers, aiming to make healthcare more effective and engaging.

Highlights
  • AI-powered computer vision analysis
  • Immersive, adaptive therapy sessions
  • Customized client program adjustments
  • Comprehensive performance analytics
  • Automated activity documentation
  • Sensor-free, seamless onboarding
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Korro's groundbreaking AI-powered app is built with the mission of revolutionizing children’s healthcare — making it more effective, more efficient, and more engaging — for more kids. Introducing Korro 1.0 for Occupational Therapy (OT): it is designed to empower OT clinics to deliver a new standard of programs and sessions for children — both at the clinic and at home. For occupational therapy practitioners (OTPs) and caregivers, Korro AI’s computer vision technology uses the phone’s built-in camera to provide deep performance analysis, designed with world- leading OTPs. For children, Korro AI’s full-body immersive sessions adapt to individual ability in real-time, so they stay eagerly engaged with just the right level of difficulty. Our intergalactic experiences are designed by award-winning digital creators who understand that joyful play yields healthy growth. Beyond Korro 1.0 for OT: Korro AI’s vision is to reimagine the entire experience of children’s healthcare with boundless virtual clinics, precise performance analysis, automated progress documentation, and additional support for caregivers to strengthen children’s bodies, brains, and minds, with a special focus on behavioral health. Korro AI 1.0 for OT features include: Immersive Experiences: Engaging immersive clinics designed by award-winning digital creators encourage sustained use by children that will assist their OTPs in the process of care and therapeutics Customized Client Programs: Korro assists the OTPs to understand the user’s state and progress, and to make more educated decisions about adjusting exercise programs and therapy in real-time to maintain optimal engagement Comprehensive Analytics: Advanced performance analysis uses computer vision to combine in-clinic and at-home tracking for a holistic view of child progress Expanded Revenue: Offer more programs to more children, generating new revenue streams for your clinic without overextending your team or compromising care Automated Documentation: Korro AI automatically documents all activities, so you can focus on your patients, not your paperwork Seamless Onboarding: Easy deployment for use in clinic or at home – without the need for sensors, AR devices, or other special equipment Disclaimer: The Korro app is not a regulated medical device. It is designed to guide a child to perform exercises and is not designed to replace occupational therapy provided by a licensed occupational therapist. The app cannot render a diagnosis, or replace medical advice and is not intended to treat, cure, or prevent any disease. We strongly urge you to seek medical care if you believe you have an undiagnosed condition.

Screenshots

Zero Tochu零触4 screens
Korro4 screens

Verdict

The call

The clearest difference is rating: Korro at 4.3 against Zero Tochu零触's 2.1. Korro also leads on update cadence (weekly vs every 4 months). Zero Tochu零触's advantage is iOS requirement (12.0 vs 15.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Korro holds the better App Store score, 4.3 against 2.1. Both are backed by a comparable volume of ratings — 7 and 18 respectively.

UpkeepUpdate frequency

Zero Tochu零触 ships an update every 4 months, Korro weekly. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

Scorecard3 real differences · 7 level
Zero Tochu零触 versus Korro: the parameters behind the verdict, then further details
ParameterZero Tochu零触Korro
PriceFreeFree
Rating2.1 (7 ratings)4.3 (18 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings718 — better
Update frequencyEvery 4 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.0 — better15.0
Further details — not scored
Size28 MB837 MB
Age rating12+4+
DeveloperHunan Zero Touch Cloud Technology Co., Ltd.Korro AI GmbH

Customer experience

Zero Tochu零触

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Korro

All ratings18 ratings
Positive83.3%
Neutral5.6%
Negative11.1%

In-app purchases

None

Zero Tochu零触

No in-app purchases

None

Korro

No in-app purchases

Questions

Is Zero Tochu零触 free?
Zero Tochu零触 is free to download, with no in-app purchases.
Is Korro free?
Korro is free to download, with no in-app purchases.
Which has better reviews, Zero Tochu零触 or Korro?
Korro is rated higher. Zero Tochu零触 averages 2.1 out of 5 from 7 ratings, while Korro averages 4.3 from 18 ratings.
Do Zero Tochu零触 or Korro have ads?
Neither Zero Tochu零触 nor Korro shows ads.
Which is updated more often, Zero Tochu零触 or Korro?
Zero Tochu零触 ships an update every 4 months, and Korro weekly. Most recently, Zero Tochu零触 was updated on October 24, 2026 and Korro on October 21, 2026.

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