---
title: "AI ML Prep - Reviews, Revenue and Downloads in Japan | Apple App Store"
description: "Ace your AI and Machine Learning system design interviews with 226 questions used at top tech companies, including Google, Meta, Amazon, and more.  Each question includes a structured expert answer, s"
---

# AI ML Prep — Japan

![AI ML Prep App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/75/b7/a3/75b7a392-d49d-40da-7365-6db7725c2513/AppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/434x0w.png)

**Developer:** [Ke Zhu](https://apptail.io/developer/ke-zhu-Kogy)
**Category:** Education
**Rating:** N/A (0 ratings)
**Price:** Free
**Bundle ID:** com.lemonteaai.aimlinterviewprep
**Store:** Apple App Store
**Country:** Japan
**Version:** 1.0.0 (released 2026-03-24)
**Original Release:** 2026-03-23
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/jp/app/app/id6760281969)
**AppTail Page:** [https://apptail.io/app/ai-ml-prep-YxZz/japan](https://apptail.io/app/ai-ml-prep-YxZz/japan)

## AI ML Prep Description
Ace your AI and Machine Learning system design interviews with 226 questions used at top tech companies, including Google, Meta, Amazon, and more.

Each question includes a structured expert answer, skill tags, and a 5-dimension rubric so you know exactly what interviewers look for:
- Problem Framing
- Technical Depth
- System Thinking
- Communication
- Tradeoff Awareness

Domains covered:
- Recommendation Systems
- NLP, LLMs, and Generative AI
- Search and Ranking
- Computer Vision
- MLOps and Infrastructure
- Fraud and Anomaly Detection
- Ads and Click Prediction
- Reinforcement Learning and Decision Systems
- AI Agents and Content Safety

How it works:
1. Get a daily question and build your streak
2. Think through your answer, then tap to reveal the expert answer
3. Record your answer with voice and score yourself on each rubric dimension
4. Mark questions as mastered as you improve

Mock Interviews (Pro):
Simulate a real ML system design interview with:
- Quick Fire (15 minutes)
- Standard Round (45 minutes)
- Full Loop (90 minutes)

You can focus on a specific domain or choose a random mix.

Free tier:
The first 4 easy questions in each domain are free. No time limit and no account required.

Pro subscription:
Unlock all 226 questions across all difficulty levels, plus:
- Mock interviews
- Company-specific filters
- Voice practice recording

Monthly and yearly plans are available.

Built for ML engineers, data scientists, AI/LLM engineers, and computer science students preparing for FAANG and AI-first companies.

Privacy Policy:


Terms and Conditions:


## AI ML Prep Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/be/10/65/be106543-85dc-61db-bf34-4d6660086834/Frame_3.jpg/1242x2688.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/eb/5d/95/eb5d95c0-939a-5c97-8194-f94b211cd467/screenshot_browse_1242x2688.jpg/1242x2688.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/a8/a9/f0/a8a9f020-9124-7875-358e-b7be880889eb/Frame_5.png/1242x2688.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/9b/9f/c1/9b9fc1c3-bff8-146b-9af0-0421bed4592f/Frame_6.png/1242x2688.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/77/71/8d/77718d27-898e-44d3-8827-0aa83b36071f/Frame_4.png/1242x2688.png)



## AI ML Prep In-App Purchases
| Item | Price |
|------|-------|
| AI ML Prep Pro - Monthly | ¥1.50 |
| AI ML Prep Pro - Yearly | ¥15.00 |



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## AI ML Prep Available In
- [Bulgaria](https://apptail.io/app/ai-ml-prep-YxZz/bulgaria)
- [Estonia](https://apptail.io/app/ai-ml-prep-YxZz/estonia)
- [Croatia](https://apptail.io/app/ai-ml-prep-YxZz/croatia)
- [India](https://apptail.io/app/ai-ml-prep-YxZz/india)
- [Japan](https://apptail.io/app/ai-ml-prep-YxZz/japan)
- [Kuwait](https://apptail.io/app/ai-ml-prep-YxZz/kuwait)
- [Kazakhstan](https://apptail.io/app/ai-ml-prep-YxZz/kazakhstan)
- [Lithuania](https://apptail.io/app/ai-ml-prep-YxZz/lithuania)
- [Latvia](https://apptail.io/app/ai-ml-prep-YxZz/latvia)
- [Malta](https://apptail.io/app/ai-ml-prep-YxZz/malta)
- [New Zealand](https://apptail.io/app/ai-ml-prep-YxZz/new-zealand)
- [Sweden](https://apptail.io/app/ai-ml-prep-YxZz/sweden)
- [United States](https://apptail.io/app/ai-ml-prep-YxZz/united-states)

---

## About AppTail

[AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. Track your app's performance, discover ranking keywords, monitor competitors, and analyze market trends.

- [Search Apps](https://apptail.io)
- [Top Charts](https://apptail.io/top-iphone-apps)
- [Sign Up for Full Access](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=footer)

*Data provided by [AppTail](https://apptail.io) - Mobile App Intelligence Platform*