# Memory Trainer

> Boost your memory with fun practice. Beautiful, offline, ad-supported app!

Canonical page: [https://chrome-stats.com/d/com.ngoctd.memory\_trainer](https://chrome-stats.com/d/com.ngoctd.memory_trainer)

## Overview

- **ID:** `com.ngoctd.memory_trainer`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** ngochuongCDTT
- **Category:** EDUCATION
- **Downloads:** 77
- **Version:** 1.0.0
- **Last updated:** 2026-08-21
- **First published:** 2025-06-09
- **Publisher country:** VN
- **Size:** 33 MB
- **Data as of:** 2026-09-10
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.ngoctd.memory_trainer)
- **Website:** [https://cauxinthuongdephuho.com](https://cauxinthuongdephuho.com/)
- **Privacy policy:** [https://sites.google.com/view/memorytrainerprivacy/home](https://sites.google.com/view/memorytrainerprivacy/home)

## Description

Memory Trainer is an offline-first study app that helps you review what matters, at your pace. No account required. Data stays on your device. Contains ads.<br>Core practice<br>•	Spaced Repetition (SM-2): review due cards and grade 0–5.<br>•	Two-sided flashcards (front/back), random order.<br>•	Quick games: N-Back (1–3), Visual Grid/Pattern, Digit &amp; Word Span, Matching Pairs.<br>Organize<br>•	Decks &amp; tags, search, smart filters (Due today, New, Lapses, Mature).<br>•	Rich card editor: formatted text (bold/italic), simple templates.<br>Progress<br>•	Sessions (5/10/15 min), daily goal &amp; streak, XP and badges.<br>•	Statistics dashboard: accuracy, reviews per day heatmap, retention curve.<br>Import/Export &amp; Backup<br>•	Import CSV/JSON (front, back, tags).<br>•	Export deck to .mtz (offline bundle).<br>•	Local backup &amp; restore via the system file picker (no media permissions).<br>Reminders &amp; Privacy<br>•	Local notifications: “Time to review”.<br>•	Optional PIN lock for the app.<br>•	Works fully offline; no sign-in; no personal analytics.<br>Languages<br>English, Vietnamese, Chinese, French, Indonesian, Japanese, Korean, Russian, Spanish, Thai.<br>Note: This app is for learning and self-practice. It does not provide medical or professional advice.

## Rankings

- #2,080,606 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.VIBRATE`
- `com.android.vending.BILLING`
- `com.android.vending.CHECK_LICENSE`
- `com.ngoctd.memory_trainer.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.ngoctd.memory_trainer)