# HzMetro安全监控 vs eSign Assistant+

The clearest difference is iOS requirement: HzMetro安全监控 at 9.1 against eSign Assistant+'s 16.0. 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.

HzMetro安全监控 ships an update every 2 months, eSign Assistant+ every 3 months. The most recent releases landed on October 3, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | HzMetro安全监控 | eSign Assistant+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/esign-assistant-plus/id6497228439/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | — | Free |
| Size | 67 MB | 234 MB |
| Requires iOS | **9.1** | 16.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Small Fire Network Technology Co., Ltd.](https://appshunter.io/developer/1106805320) | [Tpv Display Technology (China) Limited](https://appshunter.io/developer/1741305926) |

## What reviewers say

### HzMetro安全监控

[App page](https://appshunter.io/ios/app/hzmetro/id1639079662)

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

**In-app purchases:** none


### eSign Assistant+

[App page](https://appshunter.io/ios/app/esign-assistant-plus/id6497228439)

This app helps manage and project content onto ePaper electronic ink screen digital signage. It offers template editing, device and member management, and quick projection features for various meeting and display needs.

**Highlights:** Template management with editing and previews, Bluetooth device management with status, Member list import and management, Group management for templates, devices, and members, One-click image projection, Multilingual support (Chinese, English)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HzMetro安全监控 free?

HzMetro安全监控 is free to download, with no in-app purchases.

### Is eSign Assistant+ free?

eSign Assistant+ is free to download, with no in-app purchases.

### Do HzMetro安全监控 or eSign Assistant+ have ads?

Neither HzMetro安全监控 nor eSign Assistant+ shows ads.

### Which is updated more often, HzMetro安全监控 or eSign Assistant+?

HzMetro安全监控 ships an update every 2 months, and eSign Assistant+ every 3 months. Most recently, HzMetro安全监控 was updated on October 3, 2026 and eSign Assistant+ on September 26, 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.*