# Addition Memorizer

> Memorize the 9 x 9 addition table.

Canonical page: [https://chrome-stats.com/d/com.mathdomaindevelopment.additionmemorizer](https://chrome-stats.com/d/com.mathdomaindevelopment.additionmemorizer)

## Overview

- **ID:** `com.mathdomaindevelopment.additionmemorizer`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** MATH Domain Development
- **Category:** EDUCATION
- **Downloads:** 47,294
- **Rating:** 4.73 / 5 (240 ratings)
- **Version:** 1.0.17
- **Last updated:** 2025-08-25
- **First published:** 2015-09-23
- **Publisher country:** US
- **Size:** 5.40 MB
- **Data as of:** 2026-09-09
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.mathdomaindevelopment.additionmemorizer)
- **Website:** [https://mathdomaindevelopment.blogspot.com/](https://mathdomaindevelopment.blogspot.com/)
- **Privacy policy:** [https://mathdomaindevelopment.blogspot.com/2020/12/privacy-memorizer-apps.html](https://mathdomaindevelopment.blogspot.com/2020/12/privacy-memorizer-apps.html)

## Description

**Addition Memorizer** is a powerful Chrome extension designed to help users master the 9 x 9 addition tables through an interactive and engaging experience. It features several learning modes including an addition table display for stress-free studying, a practice area for testing your memorization without multiple-choice distractions, and a timed trial mode to enhance your speed and accuracy.

The extension tracks progress meticulously, displaying your best times and overall performance through color-coded charts. Users can compete with themselves or others worldwide by setting records and monitoring their improvement over time. Easy-to-read statistics, including correct attempts, percentage scores, and grades for each addition fact, help identify areas needing improvement. Addition Memorizer is a free, ad-supported tool perfect for students and learners aiming to strengthen their fundamental math skills efficiently.

## Rankings

- #306,017 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `com.mathdomaindevelopment.additionmemorizer.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

## Review summary

Addition Memorizer is praised for its simplicity, effectiveness, and user-friendly design in helping children and learners improve addition skills through targeted practice and speed tests. Users value features that track progress and allow focusing on specific tables. However, common concerns include in-app ads and paid offers, limited revision options focusing on missed questions, and the absence of higher-number addition tables (10-12). Overall, it is considered a helpful tool for building mental math confidence, especially for young learners.

### Pros

- Effective for learning and memorizing addition facts, especially for children.
- Includes features like practice modes, speed tests, and tracking of speed and accuracy.
- User-friendly, simple design with good navigation and font choices.
- Allows selection of specific addition tables to focus practice.
- Helpful for improving speed and confidence in mental math.

### Cons

- Occasional offers for paid apps can be distracting, especially for children.
- Lacks features to revise and focus only on previously missed questions.
- Does not include addition tables for 10, 11, and 12, limiting practice scope.
- No option to flag specific pairs for extra practice unless answered incorrectly.
- Ads present and currently cannot be removed without payment.

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