Apps by OCD Inc.
Long Addition and Subtraction app icon

Education

Long Addition and Subtraction

OCD Inc.

Free download In-app purchases unconfirmed
Open on Apple

About this app

Master addition and subtraction the simple, effective way. Addition and Subtraction Long Math Practice is designed to help kids build strong calculation skills through step by step practice. With a clean design, instant feedback, and structured progression, learning becomes faster, easier, and more rewarding. No clutter. No overwhelm. Just results. Subscription required to access full features. FEATURES Practice addition and subtraction with structured, column based solving. Step by step input for ones, tens, hundreds, and thousands. Progressive difficulty levels: Basic: small numbers, no carry. Intermediate: larger numbers, no carry. Advanced: multi digit problems. Instant feedback after every answer. Clean, distraction free interface designed for focus. Built for daily repetition and skill mastery. WHY IT WORKS This app focuses on clarity and repetition, the foundation of strong math skills. By guiding students through each column step by step, it reinforces true understanding instead of guessing or memorizing. The structured approach builds confidence, accuracy, and independence. No games. No noise. Just real learning. PERFECT FOR Kids learning addition and subtraction. Parents supporting practice at home. Teachers reinforcing foundational math skills. Build confidence. Strengthen fundamentals. Make math simple again. Start mastering addition and subtraction today. Subscription required to access full features. Terms and Conditions: https://sites.google.com/view/multiplicationmathfacts/home

Audience growth

Ratings growth

Steady
7-day gain +0
Ratings / day 0.0
30-day gain +0
US rating-count history
0 ratings
0 Aug 27, 2026 · 0 ratings Aug 27, 2026

Baseline captured. Growth appears after the crawler observes a changed rating count.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

Price tracking

Price intelligence

1 captured event
Current Free
Historical low Free
Paid → free
Price history
Current Free
Free Aug 27, 2026 · Free Aug 27, 2026

First snapshot captured. The trend line starts after the next crawler price observation.

  1. First observed Aug 27, 2026 · 9:25 AM Free

Screenshots

Long Addition and Subtraction iPhone screenshotLong Addition and Subtraction iPhone screenshotLong Addition and Subtraction iPhone screenshotLong Addition and Subtraction iPhone screenshot Long Addition and Subtraction iPad screenshotLong Addition and Subtraction iPad screenshotLong Addition and Subtraction iPad screenshot