Comparison

StopButton vs Private AI

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

Head to head
About

StopButton

Instantly pause videos in Safari with a single click. This premium extension offers seamless control, enhances productivity by eliminating distractions, and integrates smoothly into your browsing experience. It's designed for users who value efficiency and a streamlined workflow.

Highlights
  • Instant video pause with one click
  • Universal support across major video platforms
  • Enhanced productivity by eliminating distractions
  • User-centric and simple design
  • Optimized exclusively for Safari
Features
Read full description

StopButton – Instantly Pause Videos in Safari StopButton is a premium Safari extension that redefines how you interact with videos on the web. With a simple click, StopButton allows you to pause videos instantly across supported websites, providing you with a seamless, streamlined browsing experience. Whether you're taking a quick break, switching to another task, or simply need to stop a video without interrupting your flow, StopButton ensures you're in control with minimal effort. Designed for users who demand convenience, efficiency, and a superior level of control, StopButton is the ultimate tool for anyone who watches videos regularly in Safari. Say goodbye to the frustration of hunting for hidden pause buttons or dealing with clunky interfaces—StopButton delivers a fast, intuitive solution that enhances your productivity while browsing. Key Features: • Instant Video Pause: Pause videos in a flash with a single click from your Safari toolbar. No need to search for elusive pause buttons—StopButton lets you stop any video quickly, at any time. • Universal Support Across Platforms: Works seamlessly with most major video platforms, including YouTube, Vimeo, and countless others, providing consistent, reliable functionality across the web. • Enhanced Productivity: StopButton eliminates the distractions that come with videos playing in the background. Whether you need to focus on a task, read an article, or take a quick break, pausing videos instantly has never been easier. • User-Centric Design: Built for those who value simplicity and elegance, StopButton is thoughtfully designed to fit into your Safari browsing experience without unnecessary complexity or visual clutter. • Optimized for Safari: StopButton is exclusively tailored for Safari, ensuring you get the best possible performance, with smooth, efficient integration that complements your browsing habits. Why Choose StopButton? StopButton isn’t just another video control tool—it’s a premium experience designed to offer the ultimate in convenience and efficiency. As a professional or power user, you need tools that work as fast as you do. StopButton ensures that pausing videos is never an obstacle to your workflow. Whether you’re working, studying, or simply multitasking, StopButton will help you stay focused and maintain momentum. With StopButton, you gain full control over your browsing experience without the frustration of constant distractions. One click, and you’re done—perfect for busy users who need to manage video content quickly and efficiently. Important Notes: • Safari Only: StopButton is built specifically for Safari and will not work in other browsers like Chrome, Firefox, or Edge. We focus on providing the best possible experience for Safari users, ensuring you get smooth, optimized performance within Apple’s ecosystem. • Supported Platforms: StopButton works across most popular video platforms, but its functionality may vary depending on specific site implementations. For the best experience, we recommend updating to the latest version of Safari. Make Video Viewing Effortless and Efficient StopButton is more than just a tool; it’s a game-changer for how you interact with video content online. Whether you’re working, learning, or just browsing, StopButton is designed to help you maintain focus and get more done. Start using StopButton today and experience a new level of control, convenience, and productivity in your web browsing. Upgrade Your Browsing with StopButton—The Premium Way to Pause Videos in Safari.

About

Private AI

This AI assistant offers expert-level answers for coding, writing, and research, all processed securely on your device. Enjoy complete privacy with no accounts, tracking, or logs.

Highlights
  • On-device AI processing
  • Complete privacy, no tracking
  • Expert knowledge across domains
  • Apple Intelligence integration
  • No account or login required
Features
Read full description

Powerful AI, your way, with private on-device intelligence and no accounts, no tracking, and no logs. ASK ANYTHING Get help with coding, creative writing, research, brainstorming, explanations, and everyday problem solving. Nivon delivers clear, useful answers with a fast, focused chat experience. CHOOSE HOW YOUR AI RUNS Run AI directly on your device with a curated library of local MLX models, use Apple Intelligence, or choose an optional cloud service when you need it. Device-aware recommendations help you find the right local model for your iPhone. PRIVACY BY DESIGN When you choose an on-device model, your prompts and responses are processed locally. Your conversation history is stored on your device, and no Nivon account is required. When you use Private Cloud Compute, your data is used only to fulfill your request and is then immediately deleted by Apple. KEY FEATURES • Private, on-device AI processing • Apple Intelligence integration • Private Cloud Compute and Private Cloud AI • Curated local AI models • Device-aware model recommendations • Multiple saved conversations with search and renaming • Voice dictation and read aloud responses • Streaming answers with Markdown support • Adjustable local generation settings Whether you are writing code, exploring an idea, or solving a difficult problem, Nivon puts powerful AI in your hands, with clear control over how every conversation is processed. Terms of use: https://www.apple.com/legal/internet-services/itunes/ Privacy Policy: https://www.sa-moo-rai.com/NivonAI/privacypolicy/

Screenshots

StopButton1 screens
Private AI4 screens

Verdict

The call

The clearest difference is review sentiment: StopButton at 100% against Private AI's 25%. StopButton also leads on rating (4.4 vs 3.7) and update cadence (fortnightly vs monthly). Private AI's advantage is price (Free vs $1.99) and ratings volume (23 vs 7). On ads and in-app purchases 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

Private AI is free to download; StopButton costs $1.99 up front. StopButton sells 2 in-app purchases, starting at $1.99 per month and Private AI sells 4 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

StopButton holds the better App Store score, 4.4 against 3.7. Both are backed by a comparable volume of ratings — 7 and 23 respectively. Written reviews point the same way: 100% of StopButton's written reviews are positive against 25% of Private AI's.

UpkeepUpdate frequency

StopButton ships an update fortnightly, Private AI monthly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

Scorecard8 real differences · 2 level
StopButton versus Private AI: the parameters behind the verdict, then further details
ParameterStopButtonPrivate AI
Price$1.99Free — better
Rating4.4 (7 ratings) — better3.7 (23 ratings)
Positive reviews100.0% of reviews — better25.0% of reviews
Number of ratings723 — better
Update frequencyFortnightly — betterMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationPaidFreemium — better
DevicesiPhone, iPad, iPod, Mac — betteriPhone
Requires iOS15.6 — better17.0
Further details — not scored
Size0 MB55 MB
Age rating4+12+
DeveloperLucas Exequiel Di TomaseValentin Dreyfus

Customer experience

StopButton

All ratings7 ratings
Positive85.7%
Neutral0.0%
Negative14.3%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Private AI

All ratings20 ratings
Positive70.0%
Neutral0.0%
Negative30.0%
Written reviews8 reviews
Positive25.0%
Neutral0.0%
Negative75.0%

In-app purchases

2 purchases

StopButton

Subscriptions2
  • 1 Month Subscription Plan$1.991 Month
  • 1 Year Subscription Plan$9.991 Year
4 purchases

Private AI

Subscriptions3
  • Pro: One Week3 Days trial$4.997 Days
  • Pro: One Year$19.991 Year
  • Unlimited: One Month$19.991 Month
One-time1
  • Lifetime$69.99

Questions

Is StopButton free?
StopButton costs $1.99, and also offers in-app purchases.
Is Private AI free?
Private AI is free to download, with in-app purchases available.
Which has better reviews, StopButton or Private AI?
StopButton is rated higher. StopButton averages 4.4 out of 5 from 7 ratings, while Private AI averages 3.7 from 23 ratings.
Do StopButton or Private AI have ads?
Neither StopButton nor Private AI shows ads.
Which is updated more often, StopButton or Private AI?
StopButton ships an update fortnightly, and Private AI monthly. Most recently, StopButton was updated on November 3, 2026 and Private AI on November 4, 2026.

Other comparisons