PB Controller vs HTML Viewer
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
PB Controller
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PB Controller is a Bluetooth Low Energy (BLE) remote control app for compatible ESP32-based robots and other supported hardware. Designed for students, parents, educators, and robot developers. Key Features - 4-button and 8-button gamepad modes - Dual joystick and joystick-with-buttons modes - Customizable control layouts and button sizes - PB2 secure pairing with a Pair Code and session verification - Layouts adapted for iPhone and iPad - Stop commands when leaving the control screen or moving the app to the background - Requires Start again after a BLE disconnection How to Use 1. Enable Bluetooth on your iPhone or iPad. 2. Open PB Controller and scan for your robot. 3. Select your compatible device. 4. Enter its Pair Code when prompted. 5. Choose a control mode and tap Start. Pair Codes contain 8-16 English letters or numbers and are case-insensitive. Compatibility Requires a robot or controller running compatible PB2 firmware. A Bluetooth connection alone does not guarantee compatibility. Hardware is not included. Safety Keep the robot in a safe testing area. Wireless connections can be interrupted; compatible robot firmware must provide a connection-loss failsafe. Privacy No ads. No personal data collected.
HTML Viewer
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HTML Viewer opens and reads any HTML file in a clean, fast, fully offline view โ no clutter, no internet needed. Open an HTML or XHTML file from Files, Mail, a download, or the share sheet, and read it beautifully in seconds. Key features: โข Open HTML & XHTML files from anywhere โ Files, Mail, downloads, or the share sheet โข Clean reading view โ fast, distraction-free, easy on the eyes โข Fully offline โ read without an internet connection โข Recent files โ jump back to what you were reading โข In-app search โ find the page or text you need โข Bookmarks โ keep the pages you return to โข Dark mode โ comfortable reading day or night Great for reports, articles, saved web pages, AI-generated HTML, e-tickets, and exported documents โ anytime, anywhere. Download HTML Viewer and open any HTML file in a tap. This app is using the standard Apple Terms of Use (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: PB Controller at none against HTML Viewer's 2. PB Controller also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. HTML Viewer sells 2 in-app purchases, starting at $4.99 per 7 days. PB Controller asks for nothing beyond the download.
PB Controller ships an update every 2 months, HTML Viewer monthly. The most recent releases landed on September 27, 2026 and September 24, 2026 respectively.
| Parameter | PB Controller | HTML Viewer |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Monthly โ better |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 โ better | 15.0 |
| Further details โ not scored | ||
| Size | 68 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Kunlasatree Sayuen | ๆ่ช ๆ |
In-app purchases
PB Controller
No in-app purchases
HTML Viewer
- Unlimited access$4.997 Days
- Unlimited access$24.991 Year
Questions
Is PB Controller free?
Is HTML Viewer free?
Do PB Controller or HTML Viewer have ads?
Which is updated more often, PB Controller or HTML Viewer?
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