Comparison

ScratchQ vs Security Master

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ScratchQ

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
Read full description

ScratchQ is a scratch pad for all of the "back-of-the-envelope" calculations that we do in everyday life. Whether it is calculating the commission earned on a sale, the square footage of a room, or your grade point average, ScratchQ allows you to save an annotated version of the calculation that you can refer back to again and again. A simple color-coded file system allows you to categorize your calculations. ScratchQ comes with a custom keyboard that allows for easy editing of your saved calculations and easy access to the most common arithmetic operators.

About

Security Master

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
Read full description

Security Master is your ultimate companion for safeguarding your private information and enhancing your online experience. This comprehensive app offers robust security features to ensure your data remains confidential and protected: - Privacy Checkup: Conduct regular privacy checkups to ensure your information is secure and identify potential vulnerabilities. - Data Leaks Check: Stay informed about any data breaches affecting your accounts, enabling you to take prompt action to secure your information. - Safe Storage: Utilize the hidden folder to securely store your photos, videos, and documents, keeping them safe from unauthorized access. - Secure Browser: Enjoy a safer browsing experience with the embedded secure browser, which protects you from tracking and data theft. Trust Security Master to keep your digital life secure and your browsing uninterrupted. The application offers the following subscriptions: Premium Weekly and Premium Weekly subscriptions: Provides access to all premium features, such as malicious sites, trackers and ads blocking, user's security review, data breaches monitor. Your subscription will automatically renew unless you turn off auto-renew at least 24 hours before the end of the current period. You can manage your subscriptions and disable auto-renewal through Account Settings after purchase. Any unused portion of a trial period will be forfeited when you purchase a subscription. Payment will be charged to your iTunes Account upon confirmation of purchase. The account will be charged for renewal within 24 hours before the end of the current period, with the cost based on the chosen plan. By using Security Master, you consent to our Terms of Service and Privacy Policy: https://securemasterapp.xyz/privacy_policy.html https://securemasterapp.xyz/terms_and_conditions.html

Screenshots

ScratchQ4 screens
Security Master4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard7 real differences · 3 level
ScratchQ versus Security Master: the parameters behind the verdict, then further details
ParameterScratchQSecurity Master
Price$7.99Free — better
Rating5.0 (1 ratings) — better4.4 (4K ratings)
Positive reviews—55.0% of reviews
Number of ratings14K — better
Update frequencyEvery 22 monthsEvery 11 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size1 MB20 MB
Age rating4+17+
DeveloperAutoolmaq LLCMobiwave Limited

Customer experience

ScratchQ

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Security Master

All ratings3,988 ratings
Positive84.2%
Neutral8.5%
Negative7.3%
Written reviews20 reviews
Positive55.0%
Neutral10.0%
Negative35.0%

Bugs and requests

ScratchQ

Not enough reviews yet to summarise bugs or requests.

Security Master

Reported bugs

2 issues
  • Login issues
  • Compatibility problems

Requested features

2 requests
  • More help and guidance for users
  • Free trial period

In-app purchases

None

ScratchQ

No in-app purchases

2 purchases

Security Master

Subscriptions2
  • Trial Premium Weekly3 Days trial$8.997 Days
  • Premium Yearly$49.991 Year

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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