# SYNO Assistant vs OpenHTML

The clearest difference is in-app purchases: SYNO Assistant at none against OpenHTML's 1. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. OpenHTML sells 1 one-off in-app purchase. SYNO Assistant asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for SYNO Assistant against 5.0 for OpenHTML. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

SYNO Assistant ships an update weekly, OpenHTML every 5 days. The most recent releases landed on September 19, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | SYNO Assistant | OpenHTML |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/syno-assistant/id6761318963/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/openhtml-html-pdf-and-markdown/id6776524508/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 106 MB | 14 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [雨珂 周](https://appshunter.io/developer/1888343235) | [吉帅 仇](https://appshunter.io/developer/1087837335) |

## What reviewers say

### SYNO Assistant

[App page](https://appshunter.io/ios/app/syno-assistant/id6761318963)

Manage your Synology Network Attached Storage (NAS) remotely. Browse files, manage photos, control downloads, and monitor system status from your mobile device.

**Highlights:** File management, Photo browsing and sharing, Download task management, Package Center control, Docker container management, System monitoring, Secure remote access

**Features:** Family Sharing, Vision Pro support

**In-app purchases:** none


### OpenHTML

[App page](https://appshunter.io/ios/app/openhtml-html-pdf-and-markdown/id6776524508)

View HTML, Markdown, ZIP web projects, and source files privately on your device. Inspect and export rendered pages offline, diagnose rendering issues, and view code files securely. Designed for developers, students, and anyone needing to inspect web content safely.

**Highlights:** View HTML, Markdown, and source files, Import ZIP archives and web projects, Offline rendering with network access blocked by default, Diagnose rendering and resource issues, Export pages to PDF or long images, Private by default, no accounts or analytics

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OpenHTML Pro | $0.99 | one-time |


## Frequently asked questions

### Is SYNO Assistant free?

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

### Is OpenHTML free?

OpenHTML is free to download, with in-app purchases available.

### Which has better reviews, SYNO Assistant or OpenHTML?

SYNO Assistant and OpenHTML are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do SYNO Assistant or OpenHTML have ads?

Neither SYNO Assistant nor OpenHTML shows ads.

### Which is updated more often, SYNO Assistant or OpenHTML?

SYNO Assistant ships an update weekly, and OpenHTML every 5 days. Most recently, SYNO Assistant was updated on September 19, 2026 and OpenHTML on September 14, 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.*