# CosmosLock vs My Science

The clearest difference is in-app purchases: My Science at none against CosmosLock's 2. My Science also leads on update cadence (every 5 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CosmosLock sells 2 in-app purchases, starting at $4.99 per month. My Science asks for nothing beyond the download.

CosmosLock ships an update every 3 months, My Science every 5 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | CosmosLock | My Science |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Size | 21 MB | 2 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Patrick Deutsch](https://appshunter.io/developer/1871320930) | [James Dai Limited](https://appshunter.io/developer/1501761384) |

## What reviewers say

### CosmosLock

[App page](https://appshunter.io/ios/app/cosmoslock-science-focus/id6758907723)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| CosmosLock Premium Yearly | $29.99 | per year |


### My Science

[App page](https://appshunter.io/ios/app/my-science/id6762091743)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CosmosLock free?

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

### Is My Science free?

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

### Do CosmosLock or My Science have ads?

Neither CosmosLock nor My Science shows ads.

### Which is updated more often, CosmosLock or My Science?

CosmosLock ships an update every 3 months, and My Science every 5 days. Most recently, CosmosLock was updated on October 31, 2026 and My Science 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.*