# Binary Challenge vs Network Labs & Subnet Prep

The clearest difference is in-app purchases: Binary Challenge at none against Network Labs & Subnet Prep's 1. Binary Challenge also leads on iOS requirement (15.6 vs 17.0). Network Labs & Subnet Prep's advantage is update cadence (weekly vs every 61 months). On price, ads and device support there is nothing between them.

Both are free to download. Network Labs & Subnet Prep sells 1 one-off in-app purchase. Binary Challenge asks for nothing beyond the download.

Binary Challenge ships an update every 61 months, Network Labs & Subnet Prep weekly. The most recent releases landed on September 17, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Binary Challenge | Network Labs & Subnet Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 61 months | **Weekly** |
| Size | 3 MB | 2 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ola Kaare Risa](https://appshunter.io/developer/1562401648) | [Shunya Iwasaki](https://appshunter.io/developer/1796095304) |

## What reviewers say

### Binary Challenge

[App page](https://appshunter.io/ios/app/binary-challenge/id1564728589)

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

**In-app purchases:** none


### Network Labs & Subnet Prep

[App page](https://appshunter.io/ios/app/network-labs-and-subnet-prep/id6792362814)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CCNA Lifetime Access | $39.99 | one-time |


## Frequently asked questions

### Is Binary Challenge free?

Binary Challenge is free to download, with no in-app purchases.

### Is Network Labs & Subnet Prep free?

Network Labs & Subnet Prep is free to download, with in-app purchases available.

### Do Binary Challenge or Network Labs & Subnet Prep have ads?

Neither Binary Challenge nor Network Labs & Subnet Prep shows ads.

### Which is updated more often, Binary Challenge or Network Labs & Subnet Prep?

Binary Challenge ships an update every 61 months, and Network Labs & Subnet Prep weekly. Most recently, Binary Challenge was updated on September 17, 2026 and Network Labs & Subnet Prep on September 13, 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.*