# ReadySec vs Slash

The clearest difference is rating: ReadySec at 5.0 against Slash's 3.7. ReadySec also leads on update cadence (every 2 days vs every 8 days) and iOS requirement (16.0 vs 18.0). Slash's advantage is in-app purchases (none vs 11). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. ReadySec sells 11 in-app purchases, starting at $12.99 per month. Slash asks for nothing beyond the download.

ReadySec holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 7 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

ReadySec ships an update every 2 days, Slash every 8 days. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | ReadySec | Slash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/readysec/id6759893295/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/slash-subnet-calculator/id6764183064/reviews) |
| Number of ratings | **7** | 3 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 8 days |
| Monetization | Free with in-app purchases | **Free** |
| Size | 8 MB | 1 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [JOHN COLEMAN GREENWAY](https://appshunter.io/developer/1881473974) | [Tyler Dix](https://appshunter.io/developer/877363265) |

## What reviewers say

### ReadySec

[App page](https://appshunter.io/ios/app/readysec/id6759893295)

Prepare for certification exams with practice questions and flashcards. Track your progress across exam domains and access detailed explanations for every answer. Offers flexible pricing with a free trial and one-time purchase options.

**Highlights:** Practice exams, Flashcards, Targeted domain study, Per-domain readiness scores, Progress tracking, Detailed answer explanations, 52 industry certifications

**Features:** macOS Compatibility

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $12.99 | per month |
| Microsoft Azure Administrator | $14.99 | one-time |
| ISC2 CCSP | $19.99 | one-time |
| ISC2 CGRC | $19.99 | one-time |
| ISACA CISM | $19.99 | one-time |
| GCP Cloud Security Engineer | $19.99 | one-time |
| AWS Security Specialty | $19.99 | one-time |
| AWS Advanced Networking Specialty | $19.99 | one-time |
| Azure Solutions Architect | $19.99 | one-time |
| ISC2 CISSP | $24.99 | one-time |
| ISACA CGEIT | $24.99 | one-time |


### 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 ReadySec free?

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

### Is Slash free?

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

### Which has better reviews, ReadySec or Slash?

ReadySec is rated higher. ReadySec averages 5.0 out of 5 from 7 ratings, while Slash averages 3.7 from 3 ratings.

### Do ReadySec or Slash have ads?

Neither ReadySec nor Slash shows ads.

### Which is updated more often, ReadySec or Slash?

ReadySec ships an update every 2 days, and Slash every 8 days. Most recently, ReadySec was updated on October 7, 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.*