# Undead castle vs Tradex

The clearest difference is in-app purchases: Undead castle at none against Tradex's 2. Undead castle also leads on ads (none vs shown) and iOS requirement (12.0 vs 17.0). Tradex's advantage is update cadence (monthly vs every 11 months). On price and device support there is nothing between them.

Both are free to download. Tradex sells 2 in-app purchases, starting at $1.99 per month. Undead castle asks for nothing beyond the download.

Undead castle ships an update every 11 months, Tradex monthly. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Undead castle | Tradex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/undead-castle/id978448091/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 11 months | **Monthly** |
| Monetization | Free | — |
| Size | 39 MB | 30 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [娟 杜](https://appshunter.io/developer/974748350) | [Touseef Hassan Nasir](https://appshunter.io/developer/1730250996) |

## What reviewers say

### Undead castle

[App page](https://appshunter.io/ios/app/undead-castle/id978448091)

A casual puzzle game where the goal is to open doors by solving hidden object puzzles. It offers a variety of challenging brain teasers and uses different interaction methods like clicking and sliding. Continuously updated with new puzzles, it's a free and addictive experience.

**Highlights:** Room escape gameplay, Hidden object puzzles, Challenging brain teasers, Multiple interaction methods, Constantly updated puzzles, Free to play

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

**In-app purchases:** none


### Tradex

[App page](https://appshunter.io/ios/app/tradex-limited-tracker/id6759480366)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tradex Rro | $1.99 | per month |
| Tradex Pro | $9.99 | per year |


## Frequently asked questions

### Is Undead castle free?

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

### Is Tradex free?

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

### Do Undead castle or Tradex have ads?

Tradex shows ads; Undead castle does not.

### Which is updated more often, Undead castle or Tradex?

Undead castle ships an update every 11 months, and Tradex monthly. Most recently, Undead castle was updated on October 29, 2026 and Tradex on October 25, 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.*