# French memory castle vs Deck Lens

The clearest difference is ads: French memory castle at none against Deck Lens's shown. French memory castle also leads on iOS requirement (13.4 vs 15.1). Deck Lens's advantage is update cadence (every 10 days vs every 13 months). On price, in-app purchases and device support there is nothing between them.

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

French memory castle ships an update every 13 months, Deck Lens every 10 days. The most recent releases landed on October 14, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | French memory castle | Deck Lens |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 13 months | **Every 10 days** |
| Size | 27 MB | 43 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Fanousoft, LLC](https://appshunter.io/developer/1721279190) | [Kadir Caner Ergun](https://appshunter.io/developer/1883801098) |

## What reviewers say

### French memory castle

[App page](https://appshunter.io/ios/app/french-memory-castle/id6502218535)

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

**In-app purchases:** none


### Deck Lens

[App page](https://appshunter.io/ios/app/deck-lens/id6760315121)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is French memory castle free?

French memory castle is free to download, with no in-app purchases.

### Is Deck Lens free?

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

### Do French memory castle or Deck Lens have ads?

Deck Lens shows ads; French memory castle does not.

### Which is updated more often, French memory castle or Deck Lens?

French memory castle ships an update every 13 months, and Deck Lens every 10 days. Most recently, French memory castle was updated on October 14, 2026 and Deck Lens on October 12, 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.*