# ScratchQ vs Security Master

The clearest difference is price: Security Master at Free against ScratchQ's $7.99. Security Master also leads on update cadence (every 11 days vs every 22 months) and ratings volume (4K vs 1). ScratchQ's advantage is rating (5.0 vs 4.4) and in-app purchases (none vs 2). On device support and iOS requirement there is nothing between them.

Security Master is free to download; ScratchQ costs $7.99 up front. Security Master sells 2 in-app purchases, starting at $8.99 per 7 days. ScratchQ asks for nothing beyond the download.

ScratchQ holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Security Master has 4K ratings behind it against 1, so its average is the more settled of the two.

ScratchQ ships an update every 22 months, Security Master every 11 days. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | ScratchQ | Security Master |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/scratchq/id1162249686/reviews)** | [4.4 (4K ratings)](https://appshunter.io/ios/app/security-master-data-privacy/id6504529234/reviews) |
| Number of ratings | 1 | **4K** |
| Positive reviews | — | 55.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 22 months | **Every 11 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 20 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Autoolmaq LLC](https://appshunter.io/developer/1127949465) | [Mobiwave Limited](https://appshunter.io/developer/1752684803) |

## What reviewers say

### ScratchQ

[App page](https://appshunter.io/ios/app/scratchq/id1162249686)

This app serves as a digital scratchpad for everyday calculations, allowing users to save annotated versions for future reference. It features a color-coded system for organizing calculations and a custom keyboard for easy editing and access to operators.

**Highlights:** Save annotated calculations, Color-coded file system, Custom keyboard for editing, Easy access to arithmetic operators, Organize everyday math problems

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

**In-app purchases:** none


### Security Master

[App page](https://appshunter.io/ios/app/security-master-data-privacy/id6504529234)

Protect your personal information and enhance your online activity. This app offers privacy checks, data leak alerts, secure storage for sensitive files, and a protected browsing experience. Keep your digital life safe and your browsing uninterrupted.

**Highlights:** Privacy Checkup, Data Leaks Check, Safe Storage for Files, Secure Browser, Malicious Sites Blocking, Tracker and Ad Blocking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trial Premium Weekly | $8.99 | per 7 days |
| Premium Yearly | $49.99 | per year |

**What reviewers like**

- 🚀 Fast app
- 🔒 Provides security
- 👍 Helpful app

**What reviewers complain about**

- 🐛 Bugs and glitches
- 💰 Paid subscription
- 🤔 Confusing for some users

**Reported bugs**

- Login issues
- Compatibility problems

**Requested features**

- More help and guidance for users
- Free trial period


## Frequently asked questions

### Is ScratchQ free?

ScratchQ costs $7.99, with no in-app purchases.

### Is Security Master free?

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

### Which has better reviews, ScratchQ or Security Master?

ScratchQ is rated higher. ScratchQ averages 5.0 out of 5 from 1 ratings, while Security Master averages 4.4 from 4K ratings.

### Do ScratchQ or Security Master have ads?

Security Master shows ads; ScratchQ does not.

### Which is updated more often, ScratchQ or Security Master?

ScratchQ ships an update every 22 months, and Security Master every 11 days. Most recently, ScratchQ was updated on November 2, 2026 and Security Master on November 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.*