# Klipper | OctoPrint vs HTML Viewer ++

The clearest difference is review sentiment: Klipper | OctoPrint at 82% against HTML Viewer ++'s 0%. Klipper | OctoPrint also leads on rating (4.9 vs 4.6) and ratings volume (1.1K vs 48). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Klipper | OctoPrint sells 3 in-app purchases, starting at $49.99 per month and HTML Viewer ++ sells 3 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Klipper | OctoPrint holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: Klipper | OctoPrint has 1.1K ratings behind it against 48, so its average is the more settled of the two. Written reviews point the same way: 82% of Klipper | OctoPrint's written reviews are positive against 0% of HTML Viewer ++'s.

Klipper | OctoPrint ships an update every 5 weeks, HTML Viewer ++ every 2 months. The most recent releases landed on October 1, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Klipper | OctoPrint | HTML Viewer ++ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (1.1K ratings)](https://appshunter.io/ios/app/klipper-octoprint-obico/id1540646623/reviews)** | [4.6 (48 ratings)](https://appshunter.io/ios/app/html-viewer-plus-plus/id6738789687/reviews) |
| Number of ratings | **1.1K** | 48 |
| Positive reviews | **82.4% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 64 MB | 35 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [TSD](https://appshunter.io/developer/1540646625) | [HurryApp LTD](https://appshunter.io/developer/1562864305) |

## What reviewers say

### Klipper | OctoPrint

[App page](https://appshunter.io/ios/app/klipper-octoprint-obico/id1540646623)

Control and monitor your 3D printer remotely with this app. It offers live webcam streaming, push notifications for print progress, and AI-powered failure detection to prevent print issues. Supports OctoPrint, Klipper, and other popular platforms.

**Highlights:** Remote printer control, Live webcam streaming, Push notifications, AI failure detection, OctoPrint & Klipper support, Secure sharing

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Up to 2 printers | $49.99 | per month |
| Up to 5 printers | $99.99 | per month |
| UNLIMITED printers | $199.99 | per month |

**What reviewers like**

- 🚀 Great app
- 👍 Easy to use
- 🔒 Reliable monitoring
- 👍 Convenient remote access
- 🚀 Excellent performance

**What reviewers complain about**

- 🐛 Occasional false positive print failures
- 🔋 Slow video streaming
- 🔋 Buffering issues with remote access
- 🔒 Requires paid subscription for full functionality

**Reported bugs**

- Camera not working with self-hosted Obico instance
- Inconsistent behavior with print pause/cancel
- Subscription hours not carrying over properly

**Requested features**

- Landscape mode support for iPad
- More customization options for slicer integration
- Ability to upload custom STL files
- Improved print failure detection accuracy


### HTML Viewer ++

[App page](https://appshunter.io/ios/app/html-viewer-plus-plus/id6738789687)

Edit and manage website code with an intuitive interface. Import, export, and access your files from anywhere on iOS devices. Ideal for developers and enthusiasts working with HTML and Swift files.

**Highlights:** Intuitive HTML code editor, Import and export Swift files, Seamless collaboration, Access files anywhere, User-friendly interface

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $0.99 | per 7 days |
| Coding Pro | $3.99 | per 7 days |
| Code Pro | $69.99 | per year |


## Frequently asked questions

### Is Klipper | OctoPrint free?

Klipper | OctoPrint is free to download, with in-app purchases available.

### Is HTML Viewer ++ free?

HTML Viewer ++ is free to download, with in-app purchases available.

### Which has better reviews, Klipper | OctoPrint or HTML Viewer ++?

Klipper | OctoPrint is rated higher. Klipper | OctoPrint averages 4.9 out of 5 from 1.1K ratings, while HTML Viewer ++ averages 4.6 from 48 ratings.

### Do Klipper | OctoPrint or HTML Viewer ++ have ads?

Neither Klipper | OctoPrint nor HTML Viewer ++ shows ads.

### Which is updated more often, Klipper | OctoPrint or HTML Viewer ++?

Klipper | OctoPrint ships an update every 5 weeks, and HTML Viewer ++ every 2 months. Most recently, Klipper | OctoPrint was updated on October 1, 2026 and HTML Viewer ++ on September 23, 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.*