# Computer Science Converter vs Octo

The clearest difference is rating: Computer Science Converter at 3.8 against Octo's 3.0. Computer Science Converter also leads on review sentiment (86% vs 50%) and in-app purchases (none vs 1). Octo's advantage is update cadence (weekly vs every 12 months) and iOS requirement (10.0 vs 14.5). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Octo sells 1 one-off in-app purchase. Computer Science Converter asks for nothing beyond the download.

Computer Science Converter holds the better App Store score, 3.8 against 3.0. That said, the two scores are not equally well evidenced: Computer Science Converter has 10 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 86% of Computer Science Converter's written reviews are positive against 50% of Octo's.

Computer Science Converter ships an update every 12 months, Octo weekly. The most recent releases landed on August 24, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | Computer Science Converter | Octo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (10 ratings)](https://appshunter.io/ios/app/computer-science-converter/id1451753843/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/octo-learn-base-conversion/id1505766480/reviews) |
| Number of ratings | **10** | 2 |
| Positive reviews | **85.7% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Weekly** |
| Monetization | Free | Free |
| Size | 12 MB | 32 MB |
| Requires iOS | 14.5 | **10.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Rotert](https://appshunter.io/developer/1448329272) | [VESIGN d.o.o.](https://appshunter.io/developer/1505766479) |

## What reviewers say

### Computer Science Converter

[App page](https://appshunter.io/ios/app/computer-science-converter/id1451753843)

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.

**Highlights:** Decimal, Binary, Hexadecimal, Octal conversions, Signed integer and Two's Complement conversions, Text to Binary/Hexadecimal conversion, IP Address and Subnetting calculations, Bitwise operations (AND, OR, XOR, NOT), Identifies IP address class and Subnet IDs

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Computer Science Converter free?

Computer Science Converter is free to download, with no in-app purchases.

### Is Octo free?

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

### Which has better reviews, Computer Science Converter or Octo?

Computer Science Converter is rated higher. Computer Science Converter averages 3.8 out of 5 from 10 ratings, while Octo averages 3.0 from 2 ratings.

### Do Computer Science Converter or Octo have ads?

Neither Computer Science Converter nor Octo shows ads.

### Which is updated more often, Computer Science Converter or Octo?

Computer Science Converter ships an update every 12 months, and Octo weekly. Most recently, Computer Science Converter was updated on August 24, 2026 and Octo on June 4, 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.*