# Octo vs hexaConverter

The clearest difference is price: Octo at Free against hexaConverter's $0.99. Octo also leads on update cadence (weekly vs monthly) and iOS requirement (10.0 vs 16.6). hexaConverter's advantage is rating (5.0 vs 3.0) and in-app purchases (none vs 1). On ratings volume, ads and device support there is nothing between them.

Octo is free to download; hexaConverter costs $0.99 up front. Octo sells 1 one-off in-app purchase. hexaConverter asks for nothing beyond the download.

hexaConverter holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Octo ships an update weekly, hexaConverter monthly. The most recent releases landed on September 17, 2026 and August 21, 2026 respectively.

## The numbers

| Metric | Octo | hexaConverter |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/octo-learn-base-conversion/id1505766480/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hexaconverter/id1611942248/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | **Free** | Paid |
| Size | 32 MB | 1 MB |
| Requires iOS | **10.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [VESIGN d.o.o.](https://appshunter.io/developer/1505766479) | [MARLENE IGARASHI](https://appshunter.io/developer/1610843388) |

## What reviewers say

### Octo

[App page](https://appshunter.io/ios/app/octo-learn-base-conversion/id1505766480)

Master number base conversions with this educational tool. It offers step-by-step solutions for decimal to any base conversions and provides over 12,000 practice assignments to solidify your understanding.

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

**Features:** macOS Compatibility

**In-app purchases (1)**

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


### hexaConverter

[App page](https://appshunter.io/ios/app/hexaconverter/id1611942248)

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.

**Highlights:** Decimal, Hexadecimal, Binary conversions, ASCII conversions, Random number generator, Metric unit conversions, Note-taking and favorites

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Octo free?

Octo is free to download, with in-app purchases available.

### Is hexaConverter free?

hexaConverter costs $0.99, with no in-app purchases.

### Which has better reviews, Octo or hexaConverter?

hexaConverter is rated higher. Octo averages 3.0 out of 5 from 2 ratings, while hexaConverter averages 5.0 from 1 ratings.

### Do Octo or hexaConverter have ads?

Neither Octo nor hexaConverter shows ads.

### Which is updated more often, Octo or hexaConverter?

Octo ships an update weekly, and hexaConverter monthly. Most recently, Octo was updated on September 17, 2026 and hexaConverter on August 21, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*