해군PTSD알람 vs Empty Classrooms
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
해군PTSD알람
This alarm app is designed to help former navy personnel wake up on time with unique sounds and phrases reminiscent of their training days. It aims to solve the problem of oversleeping and fatigue with special alarm tones.
- Navy basic training wake-up sounds
- DI whistle sounds
- Mealtime call sounds
- Ship deck wake-up calls
- Navy anthem
- Various training and ship sounds
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■ 앱스토어 유료앱 1위 ■ ■ 구글플레이스토어 유료앱 1위 ■ 필승! 해군출신 선배님 후배님들! 드디어 기다리시던 알람이 나왔습니다. 해군을 전역했지만 여전히 아침에 일어나기가 힘드십니까? 아직도 몸이 피곤해 늘 늦잠을 자나요? ‘해군PTSD알람’앱을 설치하시면 이 모든 문제를 해결할 수 있습니다. 저절로 눈이 뜨이고 해군기초교의 PTSD가 생각나는 특별한 알람앱! 진해기초교에서 늦잠을 잔적이 있던가요? 웅동야교대에서 늦잠을 잔적이 있던가요? 너무 피곤해도 잠을 깨우던 그 싱그러운 목소리와 추억의 군가를 알람에 담았습니다. 그리고 해군에 입대하시는 후배님들 입대전에 무조건 이 앱 설치하고 적응 바랍니다. 알람사운드 기능 - 기초교 기상 사운드 - DI 호루라기 사운드 - 각소대그대로들어 사운드 - 기초교 식사시작 구호 사운드 - 갑판 총기상 15분전 사운드 - 해군가 사운드 - DI 버전 필승 사운드 - 오와열과 발구르는 사운드 - 그외 다양한 기초교(기군단) 사운드와 함정 실무 사운드가 있습니다.
Empty Classrooms
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"Empty Classrooms" was created for the convenience of students who use empty classrooms during their free periods between classes. Features Shows, building by building, how many classrooms are currently empty and which ones they are, all at a glance. Shows each classroom's current status (Empty / Class starting soon / In session). For empty classrooms and classrooms where a class is starting soon, shows when the next class begins. For classrooms currently in session, shows when the class ends. Lets you find the classroom you want easily with the search function. Lets you find classrooms that are empty at the time you want with the search filter. Language support (Korean, English) Dark mode support Lets you send bug reports, service inquiries, feedback, and more to the developer through the Contact Us feature. To request support for your school, please send the following by email: School name: This semester's full school timetable file (Excel, CSV, etc.) A file proving that you are a currently enrolled student (a photo of your student ID, a screenshot from Everytime, etc.) Please send it to the following email: jubileecreater@gmail.com
Screenshots
Verdict
The clearest difference is price: Empty Classrooms at Free against 해군PTSD알람's $1.99. Empty Classrooms also leads on iOS requirement (16.0 vs 26.6). On ads, 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
Empty Classrooms is free to download; 해군PTSD알람 costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | 해군PTSD알람 | Empty Classrooms |
|---|---|---|
| Price | $1.99 | Free — better |
| Positive reviews | 91.2% of reviews | — |
| Update frequency | Every 2 days | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone | iPhone |
| Requires iOS | 26.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 177 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Dong Chul Lee | HEEYEON PARK |
In-app purchases
해군PTSD알람
No in-app purchases
Empty Classrooms
No in-app purchases









