# IPA Reader vs Slash

The clearest difference is in-app purchases: Slash at none against IPA Reader's 2. Slash also leads on update cadence (every 8 days vs every 3 weeks). IPA Reader's advantage is iOS requirement (15.6 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. IPA Reader sells 2 in-app purchases, starting at $1.99 per month. Slash asks for nothing beyond the download.

IPA Reader ships an update every 3 weeks, Slash every 8 days. The most recent releases landed on October 1, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | IPA Reader | Slash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/slash-subnet-calculator/id6764183064/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Monetization | — | Free |
| Size | 134 MB | 1 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 17+ | 4+ |
| Developer | [粤珠 袁](https://appshunter.io/developer/1875136461) | [Tyler Dix](https://appshunter.io/developer/877363265) |

## What reviewers say

### IPA Reader

[App page](https://appshunter.io/ios/app/ipa-reader/id6761866732)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $1.99 | per month |
| Pro Annual | $12.99 | per year |


### Slash

[App page](https://appshunter.io/ios/app/slash-subnet-calculator/id6764183064)

This offline calculator quickly determines IP network details like network address, host ranges, and broadcast addresses. It supports various input formats and provides advanced information, including binary views and IPv6 compatibility. Designed for network professionals and students, it offers a streamlined way to perform subnet calculations without an internet connection.

**Highlights:** Offline subnet calculation, Supports CIDR, bare address, or subnet mask input, Calculates network, host, and broadcast addresses, Pastes directly from network device output, Provides wildcard mask and binary views, Handles /31 and /32 subnetting, IPv6 support

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is IPA Reader free?

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

### Is Slash free?

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

### Do IPA Reader or Slash have ads?

Neither IPA Reader nor Slash shows ads.

### Which is updated more often, IPA Reader or Slash?

IPA Reader ships an update every 3 weeks, and Slash every 8 days. Most recently, IPA Reader was updated on October 1, 2026 and Slash on October 14, 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.*