Comparison

Volteec vs HTML Viewer (013653)

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

Head to head
About

Volteec

Features
Read full description

Advanced UPS monitoring for self-hosted environments. Requires a backend server (NUT or Volteec Backend). Volteec is a private, read-only UPS status viewer for iPhone and iPad, designed for homelab and self-hosted setups. Connect the app to your own monitoring backend to see: β€’ UPS status (Online / On Battery / Offline) β€’ Battery percentage and runtime (when available) β€’ Load and voltage details (when available) β€’ Real-time updates Optional push alerts are available via Relay for critical status changes. Note: Push alerts require your monitoring server to be reachable from the internet over HTTPS. If the server is offline or only accessible locally, notifications won’t be delivered. No Volteec account is required by default. The app does not collect personal data.

About

HTML Viewer (013653)

Features
Read full description

Every HTML file you generate with AI deserves a proper home β€” and a proper canvas. HTML Viewer is the studio built for the age of AI-generated code. Whether you're creating dashboards, prototypes, or data visualizations from any AI assistant or large language model, this app gives your HTML artifacts the full-fidelity rendering environment they deserve. IMPORT FROM FILES, INSTANTLY Bring in any HTML file straight from the Files app β€” iCloud Drive, local storage, or any connected provider. No copy-pasting, no workarounds. Tap, import, and render. ORGANIZED THE WAY YOU WORK Build a nested folder structure and manage all your HTML files in a collapsible file tree. When it's time to focus, one tap hides the entire sidebar and expands the canvas to fill your screen. TABS AND SPLIT VIEW Open multiple HTML files at once with a clean tabbed interface, or activate split view to compare two files side by side. Perfect for reviewing iterations, design variations, or before-and-after states across your projects. YOUR FILES, YOUR DEVICE Everything stays on your device. No uploads, no remote servers, no accounts required. Your files are stored privately on-device by default. HTML Viewer is the tool that was missing from every AI-assisted workflow. Download it today and give your artifacts a studio-grade home.

Screenshots

Volteec4 screens
HTML Viewer (013653)2 screens

Verdict

The call

The clearest difference is iOS requirement: HTML Viewer (013653) at 18.0 against Volteec's 26.2. On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference Β· 5 level
Volteec versus HTML Viewer (013653): the parameters behind the verdict, then further details
ParameterVolteecHTML Viewer (013653)
PriceFreeFree
Update frequencyEvery 3 weeksβ€”
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.218.0 β€” better
Further details β€” not scored
Size6 MB3 MB
Age rating4+17+
DeveloperTEODOR DRAGANNaoya Yamashita

In-app purchases

None

Volteec

No in-app purchases

None

HTML Viewer (013653)

No in-app purchases

Questions

Is Volteec free?
Volteec is free to download, with no in-app purchases.
Is HTML Viewer (013653) free?
HTML Viewer (013653) is free to download, with no in-app purchases.
Do Volteec or HTML Viewer (013653) have ads?
Neither Volteec nor HTML Viewer (013653) shows ads.

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