# ZER4U vs MileagePlus X

The clearest difference is update cadence: MileagePlus X at monthly against ZER4U's every 5 months. ZER4U's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 18.2). On price, review sentiment, 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.

ZER4U ships an update every 5 months, MileagePlus X monthly. The most recent releases landed on June 5, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | ZER4U | MileagePlus X |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (21K ratings)](https://appshunter.io/ios/app/mileageplus-x/id928624751/reviews)** |
| Number of ratings | — | **21K** |
| Positive reviews | 20.0% of reviews | **22.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Free | Free |
| Size | 17 MB | 58 MB |
| Requires iOS | **12.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Zer for you](https://appshunter.io/developer/1585541516) | [UAL](https://appshunter.io/developer/928624750) |

## What reviewers say

### 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


### MileagePlus X

[App page](https://appshunter.io/ios/app/mileageplus-x/id928624751)

Earn United MileagePlus award miles on everyday purchases. Discover nearby merchants, buy eGift cards, and browse curated deals. Track your miles as they post directly to your account with a refreshed, intuitive design.

**Highlights:** Earn award miles on purchases, Discover nearby merchants, Buy eGift cards, Browse curated deals, Track miles earned, Intuitive design

**Features:** Safari Extension, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 💰 Earn miles on everyday purchases
- 🛒 Easy way to earn United miles
- 🛫 Useful for earning miles for travel
- 🤑 Free miles for shopping

**What reviewers complain about**

- 🤖 Unreliable app with frequent issues
- 🚫 Transactions often declined for no reason
- 🕰️ Slow and frustrating purchase process
- 🗣️ Poor customer service and lack of support
- 🔒 Security concerns and account issues

**Reported bugs**

- Recurring transaction decline issues
- Inconsistent tracking of earned miles
- Glitches with gift card purchases

**Requested features**

- Improve search and location functionality
- Enhance user experience and app stability
- Provide better customer support channels


## Frequently asked questions

### Is ZER4U free?

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

### Is MileagePlus X free?

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

### Do ZER4U or MileagePlus X have ads?

Neither ZER4U nor MileagePlus X shows ads.

### Which is updated more often, ZER4U or MileagePlus X?

ZER4U ships an update every 5 months, and MileagePlus X monthly. Most recently, ZER4U was updated on June 5, 2026 and MileagePlus X on September 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.*