PCalc vs StopTheMadness Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PCalc
A powerful calculator designed for professionals and students, offering advanced features like RPN mode, multi-line display, and extensive unit conversions. It supports various number systems and includes an Apple Watch app for on-the-go calculations.
- Optional RPN mode
- Multi-line display
- Extensive unit conversions
- Paper tape
- Multiple undo/redo
- Hexadecimal, octal, binary support
- Apple Watch app
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PCalc is the powerful choice for scientists, engineers, students, programmers, or indeed anybody looking for a feature rich calculator. It includes an optional RPN mode and multi-line display, a choice of button layouts, an extensive set of unit conversions and constants, a paper tape, multiple undo and redo, engineering and scientific notation, as well as support for hexadecimal, octal, and binary calculations. Includes an Apple Watch app, so you can calculate on your wrist!
StopTheMadness Pro
This browser extension enhances your web browsing experience by preventing websites from interfering with standard browser functions and protecting your privacy. It offers a wide array of unique features to regain control over your online interactions.
- Prevent UI feature disabling (text selection, copy/paste)
- Stop Google AMP and URL tracking parameters
- Bypass URL shorteners and stop autoplaying media
- Hide unwanted website banners and elements
- Customize tab URL editing and font substitution
- Run custom JavaScript and URL redirects
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StopTheMadness Pro is a web browser extension that stops websites from making your browser harder to use, and it protects your privacy on the web. StopTheMadness Pro is not an ad blocker but rather a one of a kind extension with a huge number of unique features! Made by indie developer Jeff Johnson. The support link has documentation and my email address. StopTheMadness Pro includes extensions for Safari on iOS and iPadOS, Safari, Safari web apps, Chrome, and Firefox on macOS. StopTheMadness Pro is a major update to the beloved StopTheMadness extension, adding automatic iCloud sync of settings between all devices, as well as countless other new features and improvements. StopTheMadness Pro features: • Stop websites from disabling user interface features in your browser such as text selection, copy, cut, and paste, drag and drop, contextual menus, AutoFill, ⌘-key keyboard shortcuts, and 2-finger tap to open links in a new tab • Stop Google AMP • Remove URL query tracking parameters automatically • Stop clickjacking on Google Search, Gmail, Facebook, and DuckDuckGo • Stop hyperlink auditing (anchor "ping") • Stop tracking beacons (Navigator.sendBeacon) • Bypass well-known URL shorteners such as bit.ly, tinyurl, and t.co • Stop autoplaying audio and video • Always show Safari's native video controls, including Picture-in-Picture • Unmute videos automatically on first play • Auto-select video playback speed • Stop Safari from pausing audio in background apps such as Apple Music • Hide "Get the app" banners on Google, Google Maps, DuckDuckGo, IMDb, Quora, Patreon, Reddit, and Tumblr • Hide "Sign in with Google" on all websites • Hide "We'd like to send you some notifications" banners on many websites • Hide elements on web pages with a tap • Edit the tab URL in a large separate window instead of Safari's small address bar • Font substitution on websites • Website-specific CSS and JavaScript • Run custom JavaScript snippets at any time • Custom URL redirects • Stop losing characters in maxlength password fields • Force links to open in the current tab instead of a new tab, or force links to open in a new tab instead of the current tab • Force images to the front so you can drag, use the contextual menu, and save • Stop web animations • Stop websites from overwriting your system clipboard • Show the concealed password in password fields • Stop websites from disabling text replacements in Safari • Stop websites from changing the cursor and hiding the scrollbar • Stop the software keyboard from zooming in the web page • Stop websites from disabling pinch to zoom • Reload the web page on a timer • View and edit web page HTML • And many more!
Screenshots
Verdict
The clearest difference is in-app purchases: StopTheMadness Pro at none against PCalc's 4. StopTheMadness Pro also leads on update cadence (every 10 days vs every 6 weeks). PCalc's advantage is price ($9.99 vs $14.99) and device support (5 vs 3). On rating, review sentiment, ads and chart position 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
PCalc costs $9.99 and StopTheMadness Pro $14.99 up front. PCalc sells 4 one-off in-app purchases. StopTheMadness Pro asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.7 for PCalc against 4.7 for StopTheMadness Pro. Both are backed by a comparable volume of ratings — 779 and 204 respectively. Written reviews are what separate them: 83% of PCalc's written reviews are positive against 82% of StopTheMadness Pro's.
PCalc ships an update every 6 weeks, StopTheMadness Pro every 10 days. The most recent releases landed on October 31, 2026 and November 4, 2026 respectively.
| Parameter | PCalc | StopTheMadness Pro |
|---|---|---|
| Price | $9.99 — better | $14.99 |
| Rating | 4.7 (779 ratings) | 4.7 (204 ratings) — better |
| Positive reviews | 83.4% of reviews — better | 82.2% of reviews |
| Number of ratings | 779 — better | 204 |
| Update frequency | Every 6 weeks | Every 10 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Best chart rank | #82 — better | #104 |
| Devices | iPhone, iPad, iPod, Apple Watch, Vision Pro — better | iPhone, iPad, Mac |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 83 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | TLA Systems Ltd. | Jeff Johnson |
Customer experience
PCalc
StopTheMadness Pro
Bugs and requests
PCalc
Not enough reviews yet to summarise bugs or requests.
StopTheMadness Pro
Reported bugs
2 issues- Inconsistent behavior with 'Disable on Page' option
- Unreliable 'Force Link into New Active Tab' functionality
Requested features
3 requests- Integrated ad-blocking capabilities
- Improved visual filtering options (e.g., dark mode)
- Easier per-site configuration management
In-app purchases
PCalc
- Small Tip$0.99
- Medium Tip$1.99
- Large Tip$4.99
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- Enormous Tip$9.99
StopTheMadness Pro
No in-app purchases









