# TOP SECRET vs LUCCA

The clearest difference is iOS requirement: TOP SECRET at 11.0 against LUCCA's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TOP SECRET ships an update every 3 weeks, LUCCA monthly. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | TOP SECRET | LUCCA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 68 MB | 104 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [BULENT KALAYCI](https://appshunter.io/developer/1878089680) | [Mehmet Ugur Ozcan](https://appshunter.io/developer/6808575892) |

## What reviewers say

### TOP SECRET

[App page](https://appshunter.io/ios/app/top-secret/id6759322604)

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

**In-app purchases:** none


### LUCCA

[App page](https://appshunter.io/ios/app/lucca/id6808575890)

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

**In-app purchases:** none


## Frequently asked questions

### Is TOP SECRET free?

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

### Is LUCCA free?

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

### Do TOP SECRET or LUCCA have ads?

Neither TOP SECRET nor LUCCA shows ads.

### Which is updated more often, TOP SECRET or LUCCA?

TOP SECRET ships an update every 3 weeks, and LUCCA monthly. Most recently, TOP SECRET was updated on October 16, 2026 and LUCCA on October 24, 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.*