Comparison

Klipper | OctoPrint vs Happy

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Klipper | OctoPrint

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
Read full description

Discover the Future of 3D Printing Control and Monitoring with Obico Unleash the true potential of your 3D printing journey with Obico—an innovative app that redefines how you connect with your OctoPrint or Klipper 3D printer. Experience hassle-free remote management, seamless control, and real-time monitoring, all without the need for complex VPN setups. Embrace a new era of creativity and convenience, as Obico empowers creators, makers, and enthusiasts alike. Why Choose Obico? Streamlined Remote Access & Control Initiate, pause, stop, or refine your prints, no matter where you are. Seamlessly control every aspect of your 3D printer's operation, from initiation to perfection. Immersive Webcam Streaming Immerse yourself in live webcam streaming of your prints' progress. Gain insights from close-ups to final layers, all directly from your mobile device. Stay Informed with Push Notifications Receive timely webcam snapshots and real-time progress updates. Stay connected without interrupting your workflow—directly on your iOS device's lock screen. AI Failure Detection for Unparalleled Security Obico's AI-powered system monitors your prints vigilantly. Detect potential issues and pause operations to prevent failures with confidence. Broad Compatibility Supports OctoPrint, Klipper, Mainsail, Fluidd, and Moonraker—unlocking limitless potential. Seamlessly access and harness the capabilities of these platforms, without intricate configurations. Open Source Community Collaboration Join a thriving community of 3D printing enthusiasts. Obico's open-source nature encourages exploration and self-hosting of the server. Sharing Creativity in Real Time Securely share live streams of your 3D printer with friends and peers. Invite collaboration and excitement as your creations come to life. Embark on a New Dimension of Possibilities Embrace innovation without complexity. Access and control your 3D printing realm with ease and confidence. Elevate Your 3D Printing Experience with Obico Evolve your creative process with the power of Obico. From novices to experts, Obico enhances your journey in the world of 3D printing. Seamless Integration, Unparalleled Control Navigate the 3D printing world without boundaries. Obico bridges the gap between technology and simplicity, revolutionizing your experience. Download Obico Today and Redefine Your 3D Printing Adventure Embrace the future of 3D printing with Obico's user-friendly interface. Access remote control, real-time monitoring, and more—elevate your creations today.

About

Happy

This app provides a secure mobile interface for AI coding assistants, allowing you to continue sessions and monitor progress from anywhere. It features end-to-end encryption and a zero-knowledge architecture for ultimate privacy. Seamlessly switch between desktop and mobile for uninterrupted AI coding.

Highlights
  • Seamless desktop and mobile session continuation
  • Push notifications for AI tasks
  • Offline access to conversation history
  • End-to-end encryption for code privacy
  • Real-time streaming of AI responses
  • Zero-knowledge architecture
Features
Read full description

Happy Coder is the secure mobile companion for Codex and Claude Code that lets you continue your AI coding sessions anywhere (not affiliated with Anthropic or OpenAI). Built by developers who needed to check on their AI assistant's progress during coffee breaks, this app brings the full Codex and Claude Code experience to your phone with military-grade encryption. **Important**: This app requires Codex or Claude Code to be installed on your computer. Happy Coder is a companion app that connects to your existing Codex or Claude Code setup. **Key Features:** - Continue Codex and Claude Code sessions seamlessly between desktop and mobile - Push notifications for permission requests and task completion - Access conversation history even when your terminal is offline - End-to-end encryption - your code stays private - Real-time streaming of AI responses - Zero-knowledge architecture - we can't read your data **How It Works:** 1. Install the happy-coder CLI on your computer 2. Scan a QR code to securely pair your devices 3. Use 'happy' instead of 'codex' or 'claude' to start encrypted sessions 4. Switch between desktop and mobile instantly Perfect for developers who: - Want to monitor long-running tasks on the go - Need secure access to proprietary code discussions - Value privacy and open-source transparency - Work from coffee shops, trains, or anywhere Happy Coder uses the same encryption as Signal (TweetNaCl) and is completely open source. Your encryption keys never leave your device, and all data is encrypted before transmission. Built by Bay Area engineers who believe the best tools come from scratching your own itch. We needed a way to securely check on our AI coding assistant while away from our desks - so we built it and shared it with the community. Your code. Your privacy. Your Codex and Claude Code companion. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Klipper | OctoPrint4 screens
Happy4 screens

Verdict

The call

The clearest difference is update cadence: Happy at weekly against Klipper | OctoPrint's every 5 weeks. Happy also leads on chart position (#45 vs unranked). Klipper | OctoPrint's advantage is review sentiment (82% vs 71%). On price, rating, ratings volume and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Klipper | OctoPrint sells 3 in-app purchases, starting at $49.99 per month and Happy sells 1 in-app purchase, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Klipper | OctoPrint against 4.9 for Happy. Both are backed by a comparable volume of ratings — 1.1K and 991 respectively. Written reviews are what separate them: 82% of Klipper | OctoPrint's written reviews are positive against 71% of Happy's.

UpkeepUpdate frequency

Klipper | OctoPrint ships an update every 5 weeks, Happy weekly. Both last shipped on September 24, 2026.

Scorecard3 real differences · 8 level
Klipper | OctoPrint versus Happy: the parameters behind the verdict, then further details
ParameterKlipper | OctoPrintHappy
PriceFreeFree
Rating4.9 (1.1K ratings)4.9 (991 ratings)
Positive reviews82.4% of reviews — better71.2% of reviews
Number of ratings1.1K — better991
Update frequencyEvery 5 weeksWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank—#45 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.1
Further details — not scored
Size64 MB92 MB
Age rating4+4+
DeveloperTSDBulka, LLC

Customer experience

Klipper | OctoPrint

All ratings1,108 ratings
Positive97.5%
Neutral1.4%
Negative1.2%
Written reviews119 reviews
Positive82.4%
Neutral6.7%
Negative10.9%

Happy

All ratings991 ratings
Positive96.9%
Neutral0.9%
Negative2.2%
Written reviews66 reviews
Positive71.2%
Neutral10.6%
Negative18.2%

Bugs and requests

Klipper | OctoPrint

Reported bugs

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

Requested features

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

Happy

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Klipper | OctoPrint

Subscriptions3
  • Up to 2 printers$49.991 Month
  • Up to 5 printers$99.991 Month
  • UNLIMITED printers$199.991 Month
1 purchases

Happy

Subscriptions1
  • Plus Plus Monthly$19.991 Month

Questions

Is Klipper | OctoPrint free?
Klipper | OctoPrint is free to download, with in-app purchases available.
Is Happy free?
Happy is free to download, with in-app purchases available.
Which has better reviews, Klipper | OctoPrint or Happy?
Klipper | OctoPrint and Happy are both rated 4.9 out of 5 on the App Store, from 1.1K and 991 ratings respectively.
Do Klipper | OctoPrint or Happy have ads?
Neither Klipper | OctoPrint nor Happy shows ads.
Which is updated more often, Klipper | OctoPrint or Happy?
Klipper | OctoPrint ships an update every 5 weeks, and Happy weekly. Most recently, Klipper | OctoPrint was updated on September 24, 2026 and Happy on September 24, 2026.

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