Qilowatt vs KeyBoy
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Qilowatt
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Take control of your home's energy usage with the Qilowatt.eu app. Our advanced Home Energy Management System (HEMS) empowers you to monitor, optimize, and control your energy devices in real time. Key features include: Seamless integration with solar inverters, batteries, and smart devices. Smart scheduling to reduce energy costs and maximize savings. Intuitive dashboards to track energy consumption and production. Customizable automation rules for personalized energy management. Gain insights, reduce your energy bills, and contribute to a greener future. Qilowatt.eu is the ultimate tool for sustainable and cost-effective energy management.
KeyBoy
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KeyBoy is the easy way to rent a smart locker and share access securely. The app is designed primarily for hosts of short-term rentals, but works for anyone who needs to hand over or pick up keys without meeting in person. KeyBoy lockers are placed in central, easily accessible locations. Rent one or several lockers, manage your contracts and get the access codes directly on your phone. FEATURES - Rent a locker in minutes - Access codes available right in the app β always with you - Codes rotate automatically every week for security - Biometric protection (Face ID / Touch ID) before codes are shown - Guest access β create a time-limited code for family, staff or a tenant - Send the code by SMS when needed - Give each locker a personal nickname (e.g. βCabin keysβ) - Monthly subscription or one-time payment β your choice - Secure payments via Stripe β card details are never stored in the app - Receipts and contracts as PDFs straight from the app - Manage subscription, card and cancellations at any time - Available in Finnish, Swedish and English WHO ITβS FOR - Airbnb hosts and short-term rental managers exchanging keys - Companies managing keys for employees and drivers - Anyone storing a bicycle, tools or belongings safely
Screenshots
Verdict
The clearest difference is update cadence: KeyBoy at every 4 days against Qilowatt's every 3 months. 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Qilowatt ships an update every 3 months, KeyBoy every 4 days. The most recent releases landed on September 13, 2026 and September 21, 2026 respectively.
| Parameter | Qilowatt | KeyBoy |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 4 days β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details β not scored | ||
| Size | 28 MB | 50 MB |
| Age rating | 4+ | 4+ |
| Developer | Qilowatt | Antti Immonen |
In-app purchases
Qilowatt
No in-app purchases
KeyBoy
No in-app purchases









