Ray@Home vs USIMPAY
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ray@Home
Monitor your home or business security with real-time video surveillance and instant alerts. Remotely control security modes, detect intruders, and receive notifications for emergencies, including contacting local authorities.
- Real-time video surveillance
- Intruder detection with snapshot images
- Remote security mode control
- Emergency situation notifications
- Contact emergency services
- Hub and sensor management
- Live view function
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Ray@Home * Self installed manually to assure the security of my house through a smartphone. * Setting on and off the Security Modes for Individual Cases (Away or Home). * Real time video surveillance detecting intruders and transmitting snapshot images. * Multiple functions such as notifying emergency situations and contacting the closest police station, security office or neighbors. [Product Composition] - IP Camera/SMART HUB/Door Sensor/Motion Detector/KEYPAD/Siren Light/Smoke Detector/SOS Button. - HUB registration management and share function. - Sensor registration management. - Security management of homes, small shops, and offices. - Snapshot images transmission and Real Time Image "live view" function. [Ray@Home is recommended for] - Home security for one person households. - Security and safety for private shops and shops in shopping complexes. - Checking the safety of parents who live alone. - Housebreaking-Situation warning notification services on smartphones for apartments, villas, studios, and detached or pastoral houses. - Security and late night intruder detection for school staff rooms, professor offices and ordinary offices. - Checking on pets with real time monitoring function.
USIMPAY
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Easy and convenient top-up for domestic and int’l usims. l Top-up for prepaid simcards. l Bills and payments. l Legal and translation services. Why use UsimPay? n Convenient and easy to use. Recharge prepaid usims anytime, anywhere. Easy payment method. Friendly user App made especially for foreigners in Korea. n Bills and Payments You can pay utility bills in your own country. n Translation and Legal Service You may use UsimPay App, if need of legal assistance, counseling or translation. n Follow us on social media ² Facebook: Mobile Phones in Korea – Community Korea ² For English and Tagalog Operator: COM-Philippines ² For Thai Operator: COM-Thailand ² For Khmer Operator: COM-Cambodia ² For Vietnamese Operator: COM-Vietnam n Support Center (Mon~Fri 11am~8pm / Sat~Sun 11am~6pm) ² English or Tagalog: 02-6951-2865 / 010-4833-0955 & 010-2248-0955 KAKAO ID: mobilefilipino1 & mobilefilipino2 ² Thai: 02-6951-2866 / 010-7464-3102 / 010-9862-4766 / 010-3967-7981 Line ID: mobilethailand / mobilethailand1 / Koreanbeauty ² Khmer: 02-6951-2864 / 010-4648-6867 KAKO ID: mobilecambodia ² Vietnamese: 02-6951-2867 / 010-6725-7981 ZALO: 010-6725-7981 KAKAO ID: mobile vietnam
Screenshots
Verdict
The clearest difference is iOS requirement: USIMPAY at 11.0 against Ray@Home's 15.6. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Ray@Home ships an update every 2 months, USIMPAY monthly. The most recent releases landed on August 2, 2026 and September 18, 2026 respectively.
| Parameter | Ray@Home | USIMPAY |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 11.0 — better |
| Further details — not scored | ||
| Size | 106 MB | 13 MB |
| Age rating | 17+ | 4+ |
| Developer | HoseoTelnet | moeunnet |
In-app purchases
Ray@Home
No in-app purchases
USIMPAY
No in-app purchases
