# Lock In vs Science Explorer

The clearest difference is in-app purchases: Science Explorer at none against Lock In's 1. Science Explorer also leads on ads (none vs shown). Lock In's advantage is update cadence (daily vs every 9 days) and iOS requirement (13.4 vs 15.1). On price and device support there is nothing between them.

Both are free to download. Lock In sells 1 one-off in-app purchase. Science Explorer asks for nothing beyond the download.

Lock In ships an update daily, Science Explorer every 9 days. The most recent releases landed on October 14, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Lock In | Science Explorer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/lock-in-app-blocker/id6746732331/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 9 days |
| Monetization | Free with in-app purchases | — |
| Size | 29 MB | 30 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Eli Young](https://appshunter.io/developer/1818182523) | [Dung Ba Nguyen](https://appshunter.io/developer/1886372549) |

## What reviewers say

### Lock In

[App page](https://appshunter.io/ios/app/lock-in-app-blocker/id6746732331)

This app helps you focus by blocking distracting applications during timed work sessions. Set durations, choose apps to block, and track your productive time and streaks. Ideal for building better digital habits and reducing screen time.

**Highlights:** Block distracting apps, Set custom focus timers, Track productive hours, Visualize progress and streaks, Build better digital habits

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lock In Premium (No Ads) | $4.99 | one-time |


### Science Explorer

[App page](https://appshunter.io/ios/app/science-explorer/id6772375997)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lock In free?

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

### Is Science Explorer free?

Science Explorer is free to download, with no in-app purchases.

### Do Lock In or Science Explorer have ads?

Lock In shows ads; Science Explorer does not.

### Which is updated more often, Lock In or Science Explorer?

Lock In ships an update daily, and Science Explorer every 9 days. Most recently, Lock In was updated on October 14, 2026 and Science Explorer on October 18, 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.*