# ParaCortex vs Lockn

The clearest difference is iOS requirement: Lockn at 16.4 against ParaCortex's 18.2. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. ParaCortex sells 1 in-app purchase, starting at $4.99 per month and Lockn sells 2 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ParaCortex ships an update every 3 days, Lockn every 2 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ParaCortex | Lockn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | **Every 2 days** |
| Size | 65 MB | 46 MB |
| Requires iOS | 18.2 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [Sampath Dassanayake](https://appshunter.io/developer/1519179127) | [Gordon Gooi](https://appshunter.io/developer/1896723870) |

## What reviewers say

### ParaCortex

[App page](https://appshunter.io/ios/app/paracortex/id6759954880)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $4.99 | per month |


### Lockn

[App page](https://appshunter.io/ios/app/lockn-daily-planner-and-focus/id6770200500)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lockn Pro Weekly | $0.99 | per 7 days |
| Lockn Pro Yearly | $9.99 | per year |


## Frequently asked questions

### Is ParaCortex free?

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

### Is Lockn free?

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

### Do ParaCortex or Lockn have ads?

Neither ParaCortex nor Lockn shows ads.

### Which is updated more often, ParaCortex or Lockn?

ParaCortex ships an update every 3 days, and Lockn every 2 days. Most recently, ParaCortex was updated on October 25, 2026 and Lockn 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.*