# Periscope by Duet vs BlockLab

The clearest difference is monetization model: BlockLab at free against Periscope by Duet's free with in-app purchases. Periscope by Duet's advantage is ratings volume (4 vs 1). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Periscope by Duet sells 2 in-app purchases, starting at $5.99 per month and BlockLab sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Periscope by Duet against 5.0 for BlockLab. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

Periscope by Duet ships an update every 3 weeks, BlockLab every 2 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Periscope by Duet | BlockLab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/periscope-by-duet/id1517672689/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/blocklab/id6760190990/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 37 MB | 6 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone, iPad, Apple TV** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Duet, Inc.](https://appshunter.io/developer/935754063) | [Daniel Catinella](https://appshunter.io/developer/1867908194) |

## What reviewers say

### Periscope by Duet

[App page](https://appshunter.io/ios/app/periscope-by-duet/id1517672689)

This app provides a secure VPN connection to your home network from anywhere. It uses end-to-end encryption and smart connectivity to ensure reliable access to your home services and devices, even on restrictive networks. Setup is simple, allowing you to stay connected to your trusted network while traveling.

**Highlights:** Connect to home network globally, WireGuard protocol, End-to-end encryption, Smart connectivity for restrictive networks, Real-time connection stats, Simple setup

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Periscope Monthly | $5.99 | per month |
| Periscope | $24.99 | per year |


### BlockLab

[App page](https://appshunter.io/ios/app/blocklab/id6760190990)

This app helps you regain focus by blocking distracting applications during designated work or study periods. It utilizes system-level protections to ensure uninterrupted concentration, offering customizable profiles and scheduled blocking for consistent productivity.

**Highlights:** System-level app blocking, Customizable Focus Profiles, Scheduled blocking, Manual focus sessions, Grace period before blocking, No subscriptions or ads

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BlockLab Premium | $2.99 | one-time |


## Frequently asked questions

### Is Periscope by Duet free?

Periscope by Duet is free to download, with in-app purchases available.

### Is BlockLab free?

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

### Which has better reviews, Periscope by Duet or BlockLab?

Periscope by Duet and BlockLab are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do Periscope by Duet or BlockLab have ads?

Neither Periscope by Duet nor BlockLab shows ads.

### Which is updated more often, Periscope by Duet or BlockLab?

Periscope by Duet ships an update every 3 weeks, and BlockLab every 2 weeks. Most recently, Periscope by Duet was updated on November 3, 2026 and BlockLab on October 31, 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.*