Best apps like Octo: Learn Base Conversion

9+ similar apps compared and reviewed

4.3 avg rating
7 free apps
Updated July 2026

Octo 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 Octo

Base to Base Converter#1

Base to Base Converter by Yuri Morozov

For Integers and Fractions
Editor's Choice
📚 Education
0.0(0 ratings)
Free
Base to Base Converter screenshot 1
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Base to Base Converter screenshot 5
Base to Base Converter screenshot 6

This app converts integer and fractional numbers between bases 2 and 16, explaining each step of the conversion process. It offers direct conversions between specific bases and prioritizes minimizing numerical error for fractions.

Computer Science Converter#3

Computer Science Converter by Andrew Rotert

Convert Numbers, Find Subnets
Worth Considering
📚 Education
4.1(9 ratings)
Free
Computer Science Converter screenshot 1
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This app facilitates quick conversions between various number systems including decimal, binary, hexadecimal, and octal. It also supports signed integer conversions, text encoding, IP address calculations, and subnetting tools. Perform bitwise operations like AND, OR, and XOR with ease.

More apps like Octo

4
another numbers
another numbers
another numbers
0, 1, 2, 3, 4, 5, 6, 7, 8, 9
$2.99
$3.99 | 25% OFF

An educational app designed to introduce young learners to numbers 0 through 9. It offers interactive activities for tracing, counting, and understanding basic number concepts. The app is accessible offline and free from ads or in-app purchases.

Learn numbers 0-9Tracing and writing practiceCounting activities
📚 Education
(1)
paid
5
Converter Game
Converter Game
Converter Game
by JAN PAUL MAXIMILIAN KOLBERG
Free

Learn and practice converting between binary, decimal, and hexadecimal number systems through engaging gameplay. This educational tool offers five difficulty levels and tracks your progress with statistics on correct answers.

Binary, decimal, hexadecimal conversionFive difficulty levelsRandom conversion mode
📚 Education
(0)
free
6
The Base Converter
The Base Converter
The Base Converter
Convert all your bases!
Free
📚 Education
(0)
7
hexaConverter
hexaConverter
hexaConverter
by MARLENE IGARASHI
$0.99
$1.99 | 50% OFF

This app offers a versatile conversion tool for number systems like decimal, hexadecimal, and binary, alongside ASCII conversions. It also includes a random number generator and a comprehensive suite of metric conversions for everyday measurements. Users can save notes and favorite ASCII characters.

Decimal, Hexadecimal, Binary conversionsASCII conversionsRandom number generator
📚 Education
(1)
paid
8
Number Facts!
Number Facts!
Number Facts!
by Nandha Kumar Ravi
Free
📚 Education
(0)
9
Smart Convert - Base Converter
Smart Convert - Base Converter
Smart Convert - Base Converter
Smart Base Converter App
Free

Easily switch numbers between various bases, from binary to base 62. Ideal for developers, students, and math enthusiasts needing quick and reliable conversions with fractional parts. Features include instant common base conversions, custom base support, and conversion history.

Convert between bases 2 to 62Quick mode for common basesCustom mode for any base pair
📚 Education
(2)
free with in-app purchases