Comparison

Java Viewer & Converter vs Open Pi

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

Head to head
About

Java Viewer & Converter

Features
Read full description

Preview Java file content & convert Java files to PNG/JPG/PDF easily. Preview Java files content in Dark & Light theme with line numbers. Convert Java files to PNG/JPG/PDF. Share & see Java files files converted to PNG/JPG/PDF from within the app. User friendly interface. Easy to add files, preview & convert file content. Multiple language support : Arabic, Bangla, Chinese, Hindi, English, French, German, Indonesian, Italian, Japanese, Korean, Portuguese, Spanish, Russian, Thai, Vietnamese Terms of use(EULA) : https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Open Pi

Manage your Raspberry Pi devices remotely without cloud services. Monitor system health, control Docker, run commands, transfer files, and manage GPIO from a modern, privacy-focused interface.

Highlights
  • Real-time system monitoring
  • SSH terminal access
  • Docker container management
  • GPIO control
  • File manager
  • Wake-on-LAN Helper
  • Remote system actions
Features
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Direct, local, and private Raspberry Pi management. Open Pi lets you monitor system health, manage Docker containers, and run SSH commands on your Raspberry Pi right from your phone. No cloud servers, accounts, or subscriptions. Built for homelabs, self-hosting, IoT projects, and software development. Key Features • System Health: Real-time CPU, RAM, storage, and temperature metrics • Docker Management: View, start, stop, and restart containers • Terminal: Secure SSH command-line access over local network or VPN • File Manager: Direct file uploads and downloads • GPIO Control: Monitor and toggle pins • Auto-Discovery: Detect devices automatically on local networks • System Actions: Wake-on-LAN helper, remote reboot, and alerts Privacy • Native SSH connection with no background agents • No accounts, tracking, or telemetry • Local-first architecture with zero subscriptions • All data stays on your local network

Screenshots

Java Viewer & Converter4 screens
Open Pi4 screens

Verdict

The call

The clearest difference is ads: Open Pi at none against Java Viewer & Converter's shown. On price, in-app purchases, device support and iOS requirement 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. Java Viewer & Converter sells 1 in-app purchase, starting at $9.99 per year and Open Pi sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference · 9 level
Java Viewer & Converter versus Open Pi: the parameters behind the verdict, then further details
ParameterJava Viewer & ConverterOpen Pi
PriceFreeFree
Rating—4.4 (9 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—9 — better
Update frequency—Weekly
AdsYesNo — better
In-app purchasesYesYes
Monetization—Paid
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.6 — better18.0
Further details — not scored
Size12 MB43 MB
Age rating4+4+
DeveloperVaibhav SinghalArtem Svitelskyi

In-app purchases

1 purchases

Java Viewer & Converter

Subscriptions1
  • App yearly subscription$9.991 Year
2 purchases

Open Pi

One-time2
  • Single (Lifetime)$5.99
  • Family (Lifetime)$12.99

Questions

Is Java Viewer & Converter free?
Java Viewer & Converter is free to download, with in-app purchases available.
Is Open Pi free?
Open Pi is free to download, with in-app purchases available.
Do Java Viewer & Converter or Open Pi have ads?
Java Viewer & Converter shows ads; Open Pi does not.

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