# US Mobile vs Zerk

The clearest difference is rating: Zerk at 5.0 against US Mobile's 4.1. US Mobile's advantage is ratings volume (1.9K vs 1) and update cadence (weekly vs monthly). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Zerk holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: US Mobile has 1.9K ratings behind it against 1, so its average is the more settled of the two.

US Mobile ships an update weekly, Zerk monthly. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | US Mobile | Zerk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (1.9K ratings)](https://appshunter.io/ios/app/us-mobile/id1460013401/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/zerk-ai/id6792633785/reviews)** |
| Number of ratings | **1.9K** | 1 |
| Positive reviews | 67.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free | Free |
| Size | 207 MB | 16 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [US Mobile Inc.](https://appshunter.io/developer/1460013400) | [晨阳 栗](https://appshunter.io/developer/6784480667) |

## What reviewers say

### US Mobile

[App page](https://appshunter.io/ios/app/us-mobile/id1460013401)

Manage your mobile service with ease. Activate new lines, switch between major US networks, and track usage in real-time. Offers plans for individuals and families, with international data options and 24/7 support.

**Highlights:** Activate lines with eSIM or Starter Kit, Switch between major US networks, Manage individual and family plans, Add international data for travel, Monitor usage and balance, 24/7 human support

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Excellent service
- 👍 Great app experience
- 💡 Innovative features
- 🔒 Robust security
- 👍 User-friendly interface

**What reviewers complain about**

- 🐛 Buggy app
- 🔍 Missing features
- 🔍 Inconsistent data reporting
- 🔍 Complicated plan options
- 🔍 Unreliable international service

**Reported bugs**

- App freezes on login screen
- Inability to scroll on certain screens
- Incorrect data usage information
- Frequent app crashes and bugs
- eSIM compatibility issues

**Requested features**

- Improved data usage tracking
- Easier account management options
- Expanded international roaming support
- Parental controls and content filtering
- Seamless integration with Apple Watch


### Zerk

[App page](https://appshunter.io/ios/app/zerk-ai/id6792633785)

Diagnose and fix home appliance issues with AI. Scan your appliance's model label, describe the problem, and receive instant repair guidance and compatible parts. Avoid unnecessary service calls and save money.

**Highlights:** AI-powered diagnosis, Model identification via camera, Step-by-step repair guidance, Compatible parts marketplace, Repair ticket submission, Live chat support, Order management

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

**In-app purchases:** none


## Frequently asked questions

### Is US Mobile free?

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

### Is Zerk free?

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

### Which has better reviews, US Mobile or Zerk?

Zerk is rated higher. US Mobile averages 4.1 out of 5 from 1.9K ratings, while Zerk averages 5.0 from 1 ratings.

### Do US Mobile or Zerk have ads?

Neither US Mobile nor Zerk shows ads.

### Which is updated more often, US Mobile or Zerk?

US Mobile ships an update weekly, and Zerk monthly. Most recently, US Mobile was updated on October 17, 2026 and Zerk on October 16, 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.*