# zDox vs Smart SynX

The clearest difference is review sentiment: zDox at 100% against Smart SynX's 0%. 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.

zDox ships an update every 4 months, Smart SynX every 3 months. The most recent releases landed on July 5, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | zDox | Smart SynX |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 106 MB | 40 MB |
| Requires iOS | 13.0 | **12.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GINKGO SOFT COMPANY LIMITED](https://appshunter.io/developer/924725312) | [BLUESEAS ENTERPRISE COMPANY LIMITED](https://appshunter.io/developer/1310380548) |

## What reviewers say

### zDox

[App page](https://appshunter.io/ios/app/zdox/id1436468541)

Effortlessly create, sign, and manage your documents digitally. This app allows for secure document handling, signature creation, and organization with features like folders and search.

**Highlights:** Create and sign documents, Secure document storage, Signature creation, Document organization with folders, Search functionality, Profile and security settings

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart SynX

[App page](https://appshunter.io/ios/app/smart-synx/id1529065879)

Control a wide range of smart devices remotely, including lighting, security, and sensors. Monitor and manage your smart home on the go, receiving alerts and accessing camera feeds for enhanced comfort and security.

**Highlights:** Remote smart device control, Support for sensors, lighting, and security, On-the-go monitoring, Security alerts, Home camera access, IoT platform integration

**In-app purchases:** none


## Frequently asked questions

### Is zDox free?

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

### Is Smart SynX free?

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

### Do zDox or Smart SynX have ads?

Neither zDox nor Smart SynX shows ads.

### Which is updated more often, zDox or Smart SynX?

zDox ships an update every 4 months, and Smart SynX every 3 months. Most recently, zDox was updated on July 5, 2026 and Smart SynX on September 9, 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.*