App info
- Installs
- 100,000+
- Category
- Education
- Content rating
- Everyone
- Version
- Varies with device
- Released
- Jan 9, 2015
- Last updated
- 1 Aug 2026
- In-app purchases
- No
- Contains ads
- Yes
- Promo video
- No
- Requires Android
- Varies with device
Screenshots
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About this app
Find missing & next numbers in sequences. IQ test & aptitude practice.
Read full description
Number Series Calculator helps you find missing or next numbers in a sequence — a common type of question in IQ tests, aptitude exams, and competitive exams. The app includes two types of practice tests: a set of ready-made tests, and tests generated automatically by AI, tailored to your language and age group. As a bonus, it also includes an Arithmetic Puzzle and a Progressive Matrices test. 🚀 Key Features: ✔ Free number sequence practice tests ✔ Find next and missing numbers (and letters!) in a sequence ✔ Progressive Matrices Tests ✔ Interactive Number Series Tests ✔ Recognize patterns like Fibonacci numbers, primes, and more ✔ Visualize sequences with detailed charts ✔ Custom Math Expression support ✔ Custom JavaScript expressions — build and evaluate your own sequence formulas ✔ 100% offline — no internet required, practice anytime, anywhere ✔ Ad-free version available for purchase You can download the paid version without ads. https://play.google.com/store/apps/details?id=com.numberseriescalculator 📘 Test Categories: Arithmetic Progression Geometric Progression Alternating Series Square/Cube Number Series Prime Number Series Fibonacci Series Complex & Other Series IQ Test Focus on a single category to build mastery, or take a Mixed Test pulling from every type for a full, comprehensive brain workout. 🔍 Perfect for Test Prep: 📌 Online assessment tests for job applications 📌 Employment aptitude tests 📌 Pre-employment screening 📌 Competitive exams requiring number series reasoning ✨ Real IQ Test Examples: 🔹 Fibonacci Sequence: 1, 1, 2, 3, 5, 8, 13 → Next = 21 🔹 Arithmetic Progression: 1, 3, 5, 7, 9, 11 → Next = 13 🔹 Geometric Progression: 1, 2, 4, 8, 16, 32 → Next = 64 👉 Download Number Series Calculator today and train your brain, one sequence at a time.