Best Millennium Problems alternatives: apps like Millennium Problems

9+ similar apps compared and reviewed

4.9 avg rating
8 free apps
Updated October 2026

Millennium Problems is great, but it's not the only option. Explore 9+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to Millennium Problems

5.0(1 ratings)
Free
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Quickly determine if a number is prime and find one of its factors. This app also measures calculation time to help you benchmark your device's processing speed. Share your results and compare performance with others.

Modular Arithmetic#3

Modular Arithmetic by Benjamin Burton

Calculate in remainders mod n
Worth Considering
📚 Education
5.0(4 ratings)
$1.99
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Perform calculations with remainders using a chosen modulus. Supports large numbers, fast modular division and exponentiation, and displays a full calculation transcript. Ideal for understanding modular arithmetic's applications in math and computer science.