# ZSmart vs USA Validity Tracker

The clearest difference is rating: USA Validity Tracker at 5.0 against ZSmart's 4.4. ZSmart's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. USA Validity Tracker sells 2 in-app purchases, starting at $0.99 per month. ZSmart asks for nothing beyond the download.

USA Validity Tracker holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: ZSmart has 117 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | ZSmart | USA Validity Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (117 ratings)](https://appshunter.io/ios/app/zsmart/id1484043889/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/usa-validity-tracker/id6819865814/reviews)** |
| Number of ratings | **117** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | — |
| Monetization | Free | — |
| Size | 202 MB | 41 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ZKTeco Inc.](https://appshunter.io/developer/955313767) | [RVR LABS LLC](https://appshunter.io/developer/6819865816) |

## What reviewers say

### ZSmart

[App page](https://appshunter.io/ios/app/zsmart/id1484043889)

Control and manage your ZKTeco smart home devices from a single app. Monitor security cameras, locks, and alarms, and automate lighting and plugs with voice commands via compatible smart assistants.

**Highlights:** Remote lock and unlock management, Real-time security camera viewing, See and speak to visitors via video doorbell, Smart alarm system control, Adjustable smart bulb brightness and color, Automated smart plug scheduling, Voice control with Amazon Echo/Google Nest

**Features:** macOS Compatibility

**In-app purchases:** none


### USA Validity Tracker

[App page](https://appshunter.io/ios/app/usa-validity-tracker/id6819865814)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $0.99 | per month |
| Premium Yearly | $9.99 | per year |


## Frequently asked questions

### Is ZSmart free?

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

### Is USA Validity Tracker free?

USA Validity Tracker is free to download, with in-app purchases available.

### Which has better reviews, ZSmart or USA Validity Tracker?

USA Validity Tracker is rated higher. ZSmart averages 4.4 out of 5 from 117 ratings, while USA Validity Tracker averages 5.0 from 1 ratings.

### Do ZSmart or USA Validity Tracker have ads?

USA Validity Tracker shows ads; ZSmart does not.

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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.*