# Lock vs Lumo Browser

The clearest difference is in-app purchases: Lock at none against Lumo Browser's 3. Lumo Browser's advantage is update cadence (every 2 days vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Lumo Browser sells 3 in-app purchases, starting at $1.99 per month. Lock asks for nothing beyond the download.

Lock ships an update every 5 weeks, Lumo Browser every 2 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Lock | Lumo Browser |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 days** |
| Monetization | — | Freemium |
| Size | 11 MB | 57 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Jiseok Lee](https://appshunter.io/developer/1818033291) | [耀 刘](https://appshunter.io/developer/6790664597) |

## What reviewers say

### Lock

[App page](https://appshunter.io/ios/app/lock-focus/id6794229244)

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

**In-app purchases:** none


### Lumo Browser

[App page](https://appshunter.io/ios/app/lumo-browser/id6794906429)

This browser adapts its layout for phones, tablets, and foldables, offering desktop versions on larger screens and mobile-optimized views on phones. It features an AI assistant that has read the page, allowing users to ask questions or request actions like PDF exports.

**Highlights:** Adaptive layout for all screen sizes, AI assistant reads and answers questions about pages, Desktop and mobile page versions, Web extension support, Ad and tracker blocking, Tab management with Spaces, Notes and translation features

**Features:** macOS Compatibility, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lumo Pro Monthly | $1.99 | per month |
| Lumo Pro Yearly | $6.99 | per year |
| Lumo Pro | $9.99 | one-time |


## Frequently asked questions

### Is Lock free?

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

### Is Lumo Browser free?

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

### Do Lock or Lumo Browser have ads?

Neither Lock nor Lumo Browser shows ads.

### Which is updated more often, Lock or Lumo Browser?

Lock ships an update every 5 weeks, and Lumo Browser every 2 days. Most recently, Lock was updated on October 31, 2026 and Lumo Browser 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.*