# Purity vs Blok

Purity and Blok both sit at 4.6 stars, but that hides the real split: 74% of Purity's written reviews are positive against 51% of Blok's. Purity also leads on iOS requirement (15.0 vs 17.0). Blok's advantage is update cadence (every 9 days vs every 5 weeks). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Purity sells 2 in-app purchases, starting at $4.99 per month and Blok sells 9 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for Purity against 4.5 for Blok. Both are backed by a comparable volume of ratings — 904 and 780 respectively. Written reviews are what separate them: 74% of Purity's written reviews are positive against 51% of Blok's.

Purity ships an update every 5 weeks, Blok every 9 days. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Purity | Blok |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (904 ratings)](https://appshunter.io/ios/app/purity-safe-browser/id1506160130/reviews)** | [4.5 (780 ratings)](https://appshunter.io/ios/app/blok-screen-time-blocker/id6477306136/reviews) |
| Number of ratings | **904** | 780 |
| Positive reviews | **74.1% of reviews** | 50.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 207 MB | 115 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [FamilyFirstTechnology](https://appshunter.io/developer/1506157297) | [Just Commit Inc.](https://appshunter.io/developer/1728924886) |

## What reviewers say

### Purity

[App page](https://appshunter.io/ios/app/purity-safe-browser/id1506160130)

This browser is designed to block adult content and protect users online. It offers features like custom domain blocking, accountability alerts, and enforced safe search to support users in their journey to live porn-free. A free trial is available.

**Highlights:** Blocks over 2 million adult websites, Custom domain and keyword blocking, Optional image/video blocking, Pin protection for settings, Accountability alerts for suspicious sites, Enforced Safe Search, Tracker-free browsing

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly | $49.99 | per year |

**What reviewers like**

- 🚀 Effective at blocking content
- 🔒 Robust blocking features
- 💰 Affordable price
- 👍 Helpful for fighting addiction
- 🙏 Appreciated by users

**What reviewers complain about**

- 🐛 Blocks too many non-inappropriate sites
- 🔍 Overly sensitive keyword blocking
- 🔌 Can impact device performance
- 🔒 Difficult to unblock whitelisted sites
- 🔑 Password recovery issues

**Reported bugs**

- Whitelisting not always effective
- Crashes and performance issues
- Difficulty managing account and subscriptions

**Requested features**

- Lower age rating for app
- Password protection for settings
- Ability to delete account
- Family plan option
- Customizable home page


### Blok

[App page](https://appshunter.io/ios/app/blok-screen-time-blocker/id6477306136)

This app works with a physical device to help you block distracting apps and websites. It allows you to select which apps to block, tap a device to activate focus mode, and set custom schedules for different activities. Reclaim your time and boost productivity by minimizing digital distractions.

**Highlights:** Customizable app blocking, Tap-to-block technology, Focus modes for schedules, Secure and private data storage, Reclaim time and boost productivity

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Blok Pro (Monthly) | $9.99 | per month |
| Blok Pro (Monthly) | $9.99 | per month |
| Blok Pro (Yearly) | $29.99 | per year |
| Blok Pro (Yearly) | $39.99 | per year |
| Blok Pro (Yearly) | $49.99 | per year |
| Blok Membership | $59.99 | per year |
| Blok Pro (Yearly) | $59.99 | per year |
| Single Emergency Unblok | $4.99 | one-time |
| Three Emergency Unbloks | $12.99 | one-time |

**What reviewers like**

- 🚀 Life-changing
- 👍 Intuitive and easy to use
- 🔒 Helps with discipline and focus
- 💡 Clever physical barrier concept
- 👍 Great customer support

**What reviewers complain about**

- 🐛 Buggy, unreliable, and inconsistent
- 🔒 Paywall for basic features
- 🔒 Subscription required
- 🐛 Scanning and detection issues
- 🐛 Scheduling problems

**Reported bugs**

- App crashing and freezing
- Inconsistent blocking and unblocking of apps
- Issues with card/magnet detection and functionality
- Problems with account management and subscription

**Requested features**

- Allow multiple schedules per day
- Improve app categorization and blocking
- Add more customization options


## Frequently asked questions

### Is Purity free?

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

### Is Blok free?

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

### Which has better reviews, Purity or Blok?

Purity is rated higher. Purity averages 4.6 out of 5 from 904 ratings, while Blok averages 4.5 from 780 ratings.

### Do Purity or Blok have ads?

Neither Purity nor Blok shows ads.

### Which is updated more often, Purity or Blok?

Purity ships an update every 5 weeks, and Blok every 9 days. Most recently, Purity was updated on November 3, 2026 and Blok on November 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*