# JII Plus vs SuBinary 10

The clearest difference is in-app purchases: JII Plus at none against SuBinary 10's 1. JII Plus also leads on ads (none vs shown). SuBinary 10's advantage is iOS requirement (15.6 vs 17). On price, update cadence and device support there is nothing between them.

Both are free to download. SuBinary 10 sells 1 one-off in-app purchase. JII Plus asks for nothing beyond the download.

JII Plus ships an update every 3 months, SuBinary 10 every 6 weeks. The most recent releases landed on October 2, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | JII Plus | SuBinary 10 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/subinary-10/id1434307389/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 35 MB | 15 MB |
| Requires iOS | 17 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Seidensha Electronics Corporation](https://appshunter.io/developer/1276960841) | [Enes Akkus](https://appshunter.io/developer/1416782412) |

## What reviewers say

### JII Plus

[App page](https://appshunter.io/ios/app/jii-plus/id1276960842)

**Features:** macOS Compatibility

**In-app purchases:** none


### SuBinary 10

[App page](https://appshunter.io/ios/app/subinary-10/id1434307389)

Easily convert between binary, decimal, hexadecimal, and octal number systems. Simply input your values into the text area and let the application perform the conversions for you.

**Highlights:** Binary to Decimal conversion, Hexadecimal to Octal conversion, Supports multiple number systems, Intuitive text input, Real-time conversions

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is JII Plus free?

JII Plus is free to download, with no in-app purchases.

### Is SuBinary 10 free?

SuBinary 10 is free to download, with in-app purchases available.

### Do JII Plus or SuBinary 10 have ads?

SuBinary 10 shows ads; JII Plus does not.

### Which is updated more often, JII Plus or SuBinary 10?

JII Plus ships an update every 3 months, and SuBinary 10 every 6 weeks. Most recently, JII Plus was updated on October 2, 2026 and SuBinary 10 on October 8, 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.*