LENGCEOI vs Beacon 73
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LENGCEOI
Transform your traditional air conditioner into a smart device. Control, automate, and monitor your AC remotely, set schedules, and track energy usage for increased comfort and efficiency.
- Remote AC control
- Customizable automation scenes
- Energy consumption tracking
- Wi-Fi setup with ESP32 modules
- Scheduled operations
- Secure device connectivity
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AC Companion is a smart controller app designed to upgrade traditional air conditioners into intelligent home devices. Control, automate, and monitor your AC anytime, anywhere. Key Features: Fast Wi-Fi Setup Powered by ESP32 smart modules, enabling quick and easy device configuration. Remote Control Turn your AC on or off, adjust temperature, mode, and fan speed from anywhere. Smart Automation Create schedules and automation scenes such as auto-on before arrival or sleep mode at night. Energy Monitoring Track usage data and electricity consumption to improve efficiency and reduce energy costs. Reliable & Secure Stable communication and secure connectivity ensure smooth device control. AC Companion makes your air conditioner smarter and your life more comfortable. Optimized for iPhone Duo and iPad with adaptive layouts across screen sizes. Supports more compatible smart-home accessories, with improved device setup and controls.
Beacon 73
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Beacon 73 makes sending your APRS position simple. Just open the app and start. SIMPLE BEACONING • Start or stop auto-beaconing from a clear, focused dashboard • Send your position immediately whenever you choose • See when your last beacon was sent and when the next one is due SMART TIMING Choose manual, timed, or movement-aware Smart beaconing. Beacon 73 can adapt beacon timing to your speed and direction. MAP AND TRACK • See nearby APRS station callsigns, icons, and status • View your current position and recent location track • Use a map to see other stations in real-time TRY IT SAFELY Demo Mode uses simulated data, does not request your location, and cannot transmit. Explore the app before entering your callsign. Beacon 73 connects to APRS-IS. Live operation requires a valid amateur radio callsign and APRS-IS passcode. Beacon 73 is not an emergency or safety service.
Screenshots
Verdict
The clearest difference is in-app purchases: LENGCEOI at none against Beacon 73's 3. Beacon 73's advantage is update cadence (every 6 days vs every 4 weeks). On price, ads, 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
Both are free to download. Beacon 73 sells 3 one-off in-app purchases. LENGCEOI asks for nothing beyond the download.
LENGCEOI ships an update every 4 weeks, Beacon 73 every 6 days. Both last shipped on October 31, 2026.
| Parameter | LENGCEOI | Beacon 73 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 4 weeks | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 58 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Guangzhou Lingqu Electronic Science & Technology Co., Ltd. | DAVID BRET SANDERS |
In-app purchases
LENGCEOI
No in-app purchases
Beacon 73
- Buy me a coffee ☕$1.99
- Buy Me a Burrito 🌯$4.99
- Fund My Next Bad Idea 🚀$9.99









