한국어 · English · 日本語 · 中文

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🎯 Brand Identity

iScript: intelligent Script for U&i
Beyond a simple language tool, aiming for organic growth between technology and people.

• U (User): You, the subject of learning
• & (Connection): Growing together through communication
• i (Intelligence/Individual): Harmony of latest AI technology and individual records

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iScript User Guide

intelligent Script for U&i
AI-powered iOS Language Learning App

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📱 Quick Start

What is iScript?

iScript is an AI-powered learning tool that helps you effectively learn foreign languages using your own script files (Excel).

Versatile Learning

• 🎬 Sentence Learning: Learn contextual expressions with text scripts
• 📝 Vocabulary Learning: Improve vocabulary with word list files
  (Simply use Excel format: Column 1 = Word, Column 2 = Meaning)
• 🔄 Efficient memorization with SRS (Spaced Repetition System)

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🚀 Key Features

1. AI Learning Features

1.1 AI Pronunciation (TTS)

• 🔊 Native Pronunciation: Tap the speaker icon to hear sentences
• 📊 Listen Count: Check repeat count with number badge on icon

1.2 AI Sentence Analysis (Explain)

• ✨ Tap AI Explain button to get:
  • Meaning and pronunciation of key words
  • Grammar structure explanation
  • Cultural background explanation
• ⭐ Word Bookmark: Save important words with star button

1.3 API Key Setup

💡 TIP: You need a free API key to use AI features!

1. Get Free API Key: Google AI Studio
2. App Settings → “API Key” → Enter your key
3. ✅ AI analysis and TTS features activated

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2. Script Management

2.1 Upload Script

1. Prepare Excel file (.xlsx)
   • Column 1: Original text
   • Column 2: Translation
2. Library → “Add Script” → Select file
3. Check copyright agreement and upload

2.2 Edit Script

• Rename: Tap pencil icon in script list
• Delete: Tap trash icon
• Add Sentence: Use “Add Sentence” button in script

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3. Learning Features

3.1 Blur Focus

• Translations are blurred by default
• Try to interpret first, then tap translation area to check
• Helps improve concentration and active learning

3.2 Learning Status Management

Status	Description	Color
New	First time learning	Blue
To Learn	Currently learning	-
Learned	Completed	Green
Review	Needs review	Orange

3.3 Spaced Repetition System (SRS)

• Based on forgetting curve theory
• Automatically calculates review timing
• Review cycle: 1 day → 3 days → 7 days → 14 days…

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4. Data Backup & Restore

4.1 Backup (Share API)

1. Settings → “File Backup” → Backup button
2. Share dialog appears
3. Select save location:
   • 💾 iCloud Drive (Recommended)
   • 📥 Downloads folder
   • 📁 Files app
4. ✅ JSON file saved

4.2 Restore (FilePicker)

1. Settings → “File Backup” → Restore button
2. File picker dialog appears
3. Select previously saved JSON backup file
4. ✅ Data restored and app restarts

⚠️ Important: If you don’t create a backup, all learning records will be permanently deleted when you delete the app.
📆 Recommended: Back up once a week!

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5. Advertising

5.1 Free App Operation

• iScript is free and supported by Google AdMob ads

5.2 Ad Types

Type	Location	Timing
Banner Ad	Fixed at bottom	When app starts
Interstitial Ad	Full screen	Starting learning, Moving to Analytics

5.3 Ad Control

• iOS Settings → Privacy → Tracking
• Disable “Allow Apps to Request to Track” to limit personalized ads

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6. Theme & Language Settings

6.1 Theme

• Light: Bright theme
• Dark: Dark theme
• Sepia: Sepia theme (reduces eye strain)

6.2 Language

• Korean (KO)
• English (EN)

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7. Learning Analytics

7.1 How to Check

• Tap clock icon at top
• Library → “Analytics” button

7.2 Provided Information

• 📊 Daily learning time (7-day chart)
• 🔥 Streak (consecutive learning days)
• 📈 Learning pattern analysis (weekly)
• 📚 Learning progress (Total/Learned/Review needed)
• 🧠 SRS review schedule (7-day forecast)

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🔒 Privacy Protection

Local-First

• All learning data stored locally on device only (IndexedDB)
• No data transmission to iScript server

Third-party Services

• Google AdMob: Only advertising identifier (IDFA)
• AI Service: User’s own API Key for sentence analysis (BYOK method)

For details, see Privacy Policy

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💡 Effective Learning Methods

📚 Mastering One Sentence

1. Set up API Key
   Connect free API key before learning

2. Listen and Repeat
   Play TTS 5-10 times and read aloud

3. Deep Understanding with AI
   • When you don’t know words/have trouble interpreting, click AI Explain
   • Keep playing TTS while waiting for AI analysis (takes about 5 plays)
   • Read carefully: words, grammar, cultural background

4. Mark as Complete
   When fully understood, press Learned button

5. Automatic Review
   SRS will notify you at optimal timing

💡 Tips for Better Learning

• 🔥 Daily Practice: Maintain your Streak
• 👁️ Blur Focus: Try interpreting before viewing translation
• ⭐ Use Bookmarks: Save important words with star
• 💾 Regular Backups: Create backup files once a week

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🎥 Video Guides

• 📺 3-Minute User Guide
• 📺 How to Create Scripts

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📞 Customer Support

Contact

• Email: hello@iscript.dev
• Support: https://iscript.dev/support-en

FAQ

Q: Can I remove ads?
A: Currently only free version is available. Ad removal option planned for future updates.

Q: Where are backup files saved?
A: You can save to any location (iCloud Drive, Downloads, etc.) using Share function.

Q: Does the API key cost money?
A: Free AI API providers offer free quotas, sufficient for typical learning use.

Q: Can I use it on iPad?
A: Yes, available on all iOS devices (iPhone, iPad).

Q: Can I use it offline?
A: Viewing scripts works offline, but AI analysis and TTS require internet connection.

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📜 Copyright Notice

Personal Use Principle

• Scripts are for personal learning purposes only
• Permitted under Fair Use for educational purposes

Prohibited

• ❌ Sharing, selling, or distributing script files
• ❌ Commercial use

See Terms of Service in the app for details.

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Platform: iOS (iPhone, iPad)
Version: 1.1.5
Last Updated: February 5, 2026

© 2026 iScript Lab. All rights reserved.