Comparison

Bluetooth Controller vs HY300 4K Smart Projector Guide

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

Head to head
About

Bluetooth Controller

Features
Read full description

Cologne Power Equipment Bluetooth Control APP

About

HY300 4K Smart Projector Guide

This guide provides step-by-step instructions for setting up and troubleshooting your HY300 4K Smart Projector. It helps with initial setup, WiFi connection, screen mirroring, image adjustments, and resolving common issues like no signal or audio problems.

Highlights
  • Step-by-step setup instructions
  • WiFi and Bluetooth connection help
  • Screen mirroring guidance
  • Image focus and keystone correction
  • Troubleshooting for common issues
  • Factory reset procedures
Features
Read full description

HY300 4K Smart Projector Guide is a quick, step-by-step helper designed for one thing: getting your projector set up and working with your iPhone without wasting time. Pick your issue, follow a short checklist, and apply the fixes that solve most common setup problems. What this guide helps you do • Complete first-time HY300 projector setup • Connect the projector to WiFi • Mirror an iPhone using AirPlay, Screen Mirroring, iOS Cast, or similar options • Fix blurry images using the available focus controls • Correct tilted or trapezoid-shaped images with keystone settings • Fix HDMI “no signal” problems • Solve Bluetooth, audio, remote-control, and app issues • Understand black-screen and streaming compatibility problems • Use factory reset safely when simpler fixes do not work Built for speed • Clear steps with no long paragraphs • Simple screens you can follow while setting up the projector • Helpful checks so you don’t miss the obvious: power, focus, input source, WiFi, Bluetooth, and projection settings • Troubleshooting guidance for common HY300 problems Important note HY300 projectors are sold by many different sellers and may use different firmware, menu names, focus controls, and built-in apps. Follow the manual supplied with your exact projector when its instructions differ from this guide. Independent guide / disclaimer This app is an independent guide/helper for HY300-family portable smart projectors. It is not affiliated with or endorsed by any projector manufacturer, seller, streaming service, or official projector application. This app does not control, connect to, cast to, or remotely operate your projector. It provides setup and troubleshooting information only.

Screenshots

Bluetooth Controller3 screens
HY300 4K Smart Projector Guide4 screens

Verdict

The call

The clearest difference is ads: Bluetooth Controller at none against HY300 4K Smart Projector Guide's shown. Bluetooth Controller also leads on iOS requirement (13.0 vs 16.6). On price, update cadence, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Bluetooth Controller ships an update monthly, HY300 4K Smart Projector Guide every 6 weeks. The most recent releases landed on September 20, 2026 and September 22, 2026 respectively.

Scorecard2 real differences · 8 level
Bluetooth Controller versus HY300 4K Smart Projector Guide: the parameters behind the verdict, then further details
ParameterBluetooth ControllerHY300 4K Smart Projector Guide
PriceFreeFree
Rating—1.3 (3 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—3 — better
Update frequencyMonthly — betterEvery 6 weeks
AdsNo — betterYes
In-app purchasesNoNo
Monetization—Ad-supported
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.0 — better16.6
Further details — not scored
Size20 MB7 MB
Age rating4++4
DeveloperHebei Cologne Electric Power Technology Co.,Ltd.Cristian Andrei Romascu Radu

In-app purchases

None

Bluetooth Controller

No in-app purchases

None

HY300 4K Smart Projector Guide

No in-app purchases

Questions

Is Bluetooth Controller free?
Bluetooth Controller is free to download, with no in-app purchases.
Is HY300 4K Smart Projector Guide free?
HY300 4K Smart Projector Guide is free to download, with no in-app purchases.
Do Bluetooth Controller or HY300 4K Smart Projector Guide have ads?
HY300 4K Smart Projector Guide shows ads; Bluetooth Controller does not.
Which is updated more often, Bluetooth Controller or HY300 4K Smart Projector Guide?
Bluetooth Controller ships an update monthly, and HY300 4K Smart Projector Guide every 6 weeks. Most recently, Bluetooth Controller was updated on September 20, 2026 and HY300 4K Smart Projector Guide on September 22, 2026.

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