# StopButton vs Private AI

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.

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.

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.

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

## The numbers

| Metric | StopButton | Private AI |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.4 (7 ratings)](https://appshunter.io/ios/app/stopbutton/id1541539871/reviews)** | [3.7 (23 ratings)](https://appshunter.io/ios/app/private-ai-nivon/id6612043041/reviews) |
| Number of ratings | 7 | **23** |
| Positive reviews | **100.0% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Paid | **Freemium** |
| Size | 0 MB | 55 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Lucas Exequiel Di Tomase](https://appshunter.io/developer/1456307400) | [Valentin Dreyfus](https://appshunter.io/developer/1710589551) |

## What reviewers say

### StopButton

[App page](https://appshunter.io/ios/app/stopbutton/id1541539871)

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:** Safari Extension

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Subscription Plan | $1.99 | per month |
| 1 Year Subscription Plan | $9.99 | per year |


### Private AI

[App page](https://appshunter.io/ios/app/private-ai-nivon/id6612043041)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro: One Week | $4.99 | per 7 days |
| Pro: One Year | $19.99 | per year |
| Unlimited: One Month | $19.99 | per month |
| Lifetime | $69.99 | one-time |


## Frequently asked 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.

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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.*