Yoshiko - App Support
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Yoshiko
App Support & User Guide
About Yoshiko
Yoshiko is an interactive AI conversation app designed for natural voice-based conversations with an AI assistant.
You can speak naturally using your device's microphone, and Yoshiko responds with synthesized speech while also displaying the conversation as text on the screen.
Yoshiko does not require user registration or a separate account. You do not need to provide your name, nickname, phone number, or email address to use the app.
Main Features
🎙️ Voice Conversation
Talk naturally with Yoshiko using your device's microphone. Yoshiko recognizes your speech, processes your message, and responds with synthesized speech.
💬 Text Conversation
In addition to voice responses, the conversation is displayed as text on the screen so you can review what was said.
🤖 AI Conversation
Yoshiko can respond in multiple languages and is designed for natural interactive conversations.
☁️ iCloud Synchronization
Conversation history, settings, and prompts can be synchronized through the user's iCloud account so that the information can be restored when using the app again on a supported device.
🔊 Speech Recognition & Voice Output
Yoshiko uses Apple's speech technologies for speech recognition and text-to-speech voice output.
⭐ Optional Subscription
Subscribers can use OpenAI API-powered AI conversations and remove advertisements from the app.
How to Use Voice Conversation
- Press the Power button once to start a voice conversation.
- When the area above the top navigation bar turns green, Yoshiko is listening to your voice.
- Speak naturally into the microphone.
- When the green indicator turns off, Yoshiko is processing your message and responding with voice.
- Yoshiko displays the response as text on the screen while providing the voice response.
- When the AI response is finished, voice input is automatically activated again.
- Press the Power button again to end the voice conversation and turn off microphone recognition.
Green ON → Yoshiko is listening to the user.
Green OFF → Yoshiko is responding with voice.
Power Button
Start Voice Conversation
Tap the Power button once to start voice conversation. The microphone becomes active and the green indicator appears above the top navigation bar.
End Voice Conversation
Tap the Power button again to end the conversation. Microphone recognition is then turned off.
Automatic Voice Input
After Yoshiko finishes speaking, voice input is automatically activated again so you can continue the conversation naturally.
AI Services
Free Users
Free users use Apple's built-in AI capabilities available through the system's Foundation Models framework.
Subscribers
Subscribers can use OpenAI API-powered AI conversations. An active internet connection is required for communication with OpenAI's API.
The subscription also removes advertisements from the app.
The monthly subscription provides access to OpenAI API-powered AI conversations and removes advertisements from the app.
Speech Recognition & Voice Output
Speech Recognition
When you speak to Yoshiko, your voice is processed for speech recognition and converted into text for the conversation.
Temporary Voice Data
Yoshiko does not provide a recording feature and does not permanently store original voice recordings.
A temporary audio file may be created while processing each spoken input. After speech recognition is completed, the temporary audio data is immediately deleted.
Users cannot save or replay the original voice recordings.
Text-to-Speech
Yoshiko uses Apple's text-to-speech technology to provide spoken AI responses.
Conversation History & iCloud
Conversation Storage
Conversation content is stored within the app so that you can review previous conversations.
iCloud Synchronization
Conversation content, settings, and prompts are synchronized through your iCloud account.
iCloud synchronization is provided through Apple's iCloud service and your Apple ID. The developer does not have direct access to your iCloud data.
Deleting Conversations
You can delete individual conversation rooms from within the app.
Currently, there is no feature for deleting all conversation rooms at once.
Because conversation data may be synchronized through iCloud, the availability and restoration of data may depend on your iCloud settings and Apple's system behavior.
Microphone & Speech Recognition Permissions
Yoshiko requires microphone access and speech recognition permission to provide voice conversation features.
Microphone Permission
Microphone access is required so that Yoshiko can hear your spoken input.
Speech Recognition Permission
Speech recognition access is required to convert spoken input into text for the AI conversation.
You can manage these permissions in your device settings.
Privacy
Yoshiko does not require user registration and does not ask users to provide an email address, name, nickname, or phone number.
The app does not provide a recording feature and does not permanently store original voice recordings.
Conversation content, settings, and prompts may be stored within the app and synchronized through iCloud.
The app uses Apple's services and, for subscribers, OpenAI API services to provide AI conversation features.
The app also uses Google AdMob for advertising. Advertising may involve advertising identifiers and personalized advertising according to applicable settings and permissions.
For complete information about data handling, AI services, iCloud, advertising, permissions, and privacy choices, please review our Privacy Policy.
View Privacy PolicyFrequently Asked Questions
Do I need to create an account?
No. Yoshiko does not require registration or a separate user account. You do not need to provide your name, nickname, phone number, or email address.
How do I start a voice conversation?
Tap the Power button once. When the area above the top navigation bar turns green, Yoshiko is listening to you.
What does the green indicator mean?
Green ON means Yoshiko is listening to the user's voice. When the green indicator turns off, Yoshiko is responding with voice.
How do I stop a voice conversation?
Tap the Power button again. The conversation ends and microphone recognition is turned off.
Does voice input automatically activate again?
Yes. After the AI finishes its voice response, voice input is automatically activated again.
Are my original voice recordings saved?
No. Yoshiko does not provide a voice recording feature. Original voice data is temporarily processed for speech recognition and is deleted after the recognition process.
Users cannot save or replay the original voice recordings.
Where are my conversations stored?
Conversation content is stored within the app and may also be synchronized through iCloud.
Settings and prompts may also be synchronized through iCloud.
Can I delete my conversations?
Yes. You can delete individual conversation rooms from within the app.
Currently, there is no option to delete all conversations at once.
Does the developer have access to my iCloud data?
No. iCloud synchronization is provided through Apple's iCloud service and your Apple ID. The developer does not have direct access to your iCloud data.
Does Yoshiko require an internet connection?
Yes. Yoshiko requires an internet connection to use its AI conversation features for both free and subscribed users.
Free users use Apple's Foundation Models, while subscribed users use the OpenAI API. However, Yoshiko requires an internet connection for AI conversations regardless of the subscription status.
AI response speed and feature availability may vary depending on the network connection.
What does the subscription provide?
The monthly subscription costs ₩9,900. It provides access to OpenAI API-powered AI conversations and removes advertisements from the app.
What happens if I do not subscribe?
Non-subscribers can use the AI capabilities provided through Apple's built-in AI system, while advertisements may be shown in the app.
Why can't I use voice conversation?
Check that Yoshiko has permission to access the microphone and speech recognition.
You can check these permissions in your device settings.
Can Yoshiko speak different languages?
Yes. Yoshiko is designed to support conversations in multiple languages. It can respond according to the language being used in the conversation.
Can I save or replay my voice?
No. Yoshiko does not provide a voice recording feature. Original voice input is not stored as a permanent recording that users can access or replay.
Does deleting the app delete iCloud data?
iCloud data is managed by Apple's iCloud service and may behave differently from data stored only locally on the device. If you need to manage or permanently remove iCloud data, please review your iCloud settings and Apple's applicable data management options.
Subscription
Monthly Subscription — ₩9,900
The monthly subscription provides:
- Access to OpenAI API-powered AI conversations
- Removal of advertisements within the app
The subscription is optional. Users who do not subscribe can use the AI capabilities provided through Apple's built-in AI system.
Subscription purchases are processed through Apple's App Store. Subscription cancellation and refund requests are handled through Apple according to Apple's policies.
Advertising
Yoshiko uses Google AdMob to display advertisements.
Advertising may use an advertising identifier and may support personalized advertising depending on your permissions, privacy choices, location, and applicable laws.
The app may request permission through Apple's App Tracking Transparency (ATT) framework.
Subscribing to the monthly plan removes advertisements from the app.
For more information about advertising and privacy, please review the Privacy Policy.
Contact Support
If you have questions, encounter a problem, or have suggestions about Yoshiko, please contact us.
Email: boyoung1977@gmail.com
When contacting support, please include:
- A description of the problem
- The steps that caused the problem
- Your iPhone or iPad model
- Your iOS or iPadOS version
- A screenshot, if applicable
Important Notice
Yoshiko is an AI conversation application. AI-generated responses may not always be accurate, complete, or appropriate for every situation.
Do not rely on Yoshiko as a substitute for professional medical, legal, financial, emergency, or other professional advice.
When using voice conversation, make sure that microphone and speech recognition permissions are enabled.
Yoshiko does not provide a permanent voice recording feature. Original voice input is temporarily processed for speech recognition and is deleted after processing.
AI services, iCloud synchronization, advertising, and other third-party services may be subject to the policies and technical requirements of their respective providers.
Video Tutorial
Watch the video to see how to use Yoshiko and experience its interactive AI voice conversation features.
Watch the Video on YouTube