# Octo: Learn Base Conversion — Convert, practice and more

> Educational app for learning and practicing number base conversions. (iPhone/iPad app by VESIGN d.o.o..)

- Source: https://appshunter.io/ios/app/octo-learn-base-conversion/id1505766480 (this page in markdown: same URL + `.md`)
- Developer: [VESIGN d.o.o.](https://appshunter.io/developer/1505766479)
- Category: Education, Utilities
- Price: Free with in-app purchases
- Rating: 3.00/5 from 2 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 10.0 · 32 MB
- Languages: English
- Released: 2020-04-06
- Data updated: 2026-06-04
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/octo-learn-base-conversion/id1505766480/reviews.md

## What is Octo?

Easily convert numbers between binary, octal, decimal and hexadecimal base, get step-by-step solutions for converting decimal numbers to any base and practice your skills on more than 12,000 assignments.

Suggestions or questions? Email us at support@octosweb.site.

Help Center: https://www.octosweb.site/help
Privacy Policy: https://www.octosweb.site/privacy-policy

## Key features

- Binary, octal, decimal, hexadecimal conversion
- Step-by-step decimal to any base solutions
- Over 12,000 practice assignments
- Supports iPhone and iPod

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Octo Plus | $1.99 | one-time |


## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/octo-learn-base-conversion/id1505766480/reviews.md

### 1/5 — Bad App

*2023-04-14*

I did not like it

**Developer response:** Hi there, what specifically you don’t like about the app? Thank you.

### 5/5 — Beauituful and simple

*2020-04-15*

Octo is easy to pickup and the design is really good. I definitely recommend it!

## Frequently asked questions about Octo

### What number bases can Octo convert between?

Octo can convert numbers between binary, octal, decimal, and hexadecimal bases. This allows users to work with a variety of number systems commonly used in computing and mathematics.

### Does Octo provide help for conversions?

Yes, Octo offers step-by-step solutions specifically for converting decimal numbers to any other base. This feature helps users understand the process and learn how conversions are performed.

### How many practice problems does Octo offer?

Octo provides a substantial library of over 12,000 practice assignments. This extensive collection allows users to practice their skills extensively and reinforce their learning.

### What devices is Octo available on?

Octo is currently supported on iPhone and iPod devices. Users with these Apple devices can download and use the app for their learning needs.

### What is the age rating for Octo?

Octo has an age rating of 4+. This indicates that the app is suitable for young learners and provides educational content appropriate for this age group.

### How often is Octo updated?

The latest version of Octo was released on February 1, 2021. While the app was last updated in early 2021, it offers core functionality for base conversion practice.

### Does Octo have ads?

No, Octo does not contain advertisements. Users can focus on learning and practicing base conversions without any interruptions from ads.

### What is the user feedback on Octo?

Octo has received a rating of 3.0 stars from 2 ratings. This suggests a mixed reception from its current user base.

## Version history (last 5 releases)

### 1.2.4 — 2021-02-01

New explanation model and GUI updates

### 1.2.3 — 2020-07-23

New package of practical assignments

### 1.2.2 — 2020-07-22

Improved explanation model

### 1.2.1 — 2020-04-23

Bug fixes and overall performance improvement

### 1.2 — 2020-04-16

Option to select bases you want to practice in.

## Apps similar to Octo

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [AllBaseConvert](https://appshunter.io/ios/app/allbaseconvert/id1605489435) | — | Free | Education |
| [Computer Science Converter](https://appshunter.io/ios/app/computer-science-converter/id1451753843) | 4.1 (9) | Free | Education |
| [Smart Convert - Base Converter](https://appshunter.io/ios/app/smart-convert-base-converter/id6450381653) | 3.0 (2) | Free | Education |
| [hexaConverter](https://appshunter.io/ios/app/hexaconverter/id1611942248) | 5.0 (1) | $0.99 | Education |
| [Number Facts!](https://appshunter.io/ios/app/number-facts/id1491900209) | — | Free | Education |
| [The Base Converter](https://appshunter.io/ios/app/the-base-converter/id6743086704) | — | Free | Education |

## More apps by VESIGN d.o.o.

- [SiboSafe: Low FODMAP Tracker](https://appshunter.io/ios/app/sibosafe-low-fodmap-tracker/id1662846853)
- [STRUYA: Charging Cost Tracker](https://appshunter.io/ios/app/struya-charging-cost-tracker/id6478921397)
- [Nutrime: Food Scanner](https://appshunter.io/ios/app/nutrime-food-scanner/id6670441472)

All apps by VESIGN d.o.o.: https://appshunter.io/developer/1505766479

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-04.*