# Castro vs ZER4U

The clearest difference is review sentiment: Castro at 38% against ZER4U's 20%. ZER4U's advantage is iOS requirement (12.0 vs 16.4). 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.

Castro ships an update every 3 months, ZER4U every 5 months. The most recent releases landed on October 23, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Castro | ZER4U |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/castro/id440506317/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | **37.5% of reviews** | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free | Free |
| Size | 30 MB | 17 MB |
| Requires iOS | 16.4 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Castro](https://appshunter.io/developer/1073073897) | [Zer for you](https://appshunter.io/developer/1585541516) |

## What reviewers say

### Castro

[App page](https://appshunter.io/ios/app/castro/id440506317)

Discover the latest fashion collections, trends, and hot deals for women, men, and children. Enjoy a seamless shopping experience with fast home delivery.

**Highlights:** Latest fashion collections, Newest trends, Hot deals, Shop for women, men, and children, Home delivery

**Features:** Vision Pro support

**In-app purchases:** none


### ZER4U

[App page](https://appshunter.io/ios/app/zer4u/id499262535)

Easily order flower bouquets and gifts for loved ones on the go. Receive exclusive deals and updates directly to your mobile device. Find nearby stores and share promotions with friends.

**Highlights:** Order flowers and gifts, On-the-go convenience, Exclusive deals and updates, Store locator, Share promotions

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Castro free?

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

### Is ZER4U free?

ZER4U is free to download, with no in-app purchases.

### Do Castro or ZER4U have ads?

Neither Castro nor ZER4U shows ads.

### Which is updated more often, Castro or ZER4U?

Castro ships an update every 3 months, and ZER4U every 5 months. Most recently, Castro was updated on October 23, 2026 and ZER4U on October 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*