열나요 vs Baby Billy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
열나요
This app helps parents manage their child's fever by tracking temperature, guiding home care, and providing safe medication schedules. It offers timely reminders, a health timeline, and expert-backed content to support your child's well-being.
- Temperature tracking and home care guidance
- Safe medication dosage and schedule
- Care reminders for temperature and medication
- Health timeline for child's records
- Expert health content on fever and illness
- Fever and illness statistics
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아이가 갑자기 열이 날 때, 집에서 어떻게 대처해야 할지 몰라 걱정이 크셨죠? 이제 걱정하지 마세요. 열나요가 도와드릴게요! ● 아이가 갑자기 열날 때, 체온 기록하고 홈 케어 - 아이 체온에 맞게 제공되는 가이드에 따라 아이를 케어할 수 있어요. - 체온 그래프로 아이의 체온이 회복되고 있는지 확인해 보세요. ● 우리 아이에 맞게 안전한 해열제 복용 - 아이의 연령과 체중에 따라 해열제를 언제 얼마나 먹이면 되는지 알 수 있어요. - 과다 복용, 교차 복용 걱정 No! 하루 허용량 기준, 추가로 먹일 수 있는 용량을 안내해 드려요. ● 육아에 정신없는 엄마 아빠를 위한 알림 서비스 - 체온 측정과 해열제 먹이는 시간을 놓치지 않게 케어 알림을 보내 드려요. - 놓치지 않게 최대 3번까지 받을 수 있고, 원하지 않는 알림은 알림센터에서 미리 삭제할 수 있어요. ● 타임라인으로 아이의 건강 기록을 한눈에 파악 - 체온/복약/증상/병원방문/예방접종/육아메모 등을 기록하고 날짜/시간대별로 확인할 수 있어요. ● 가정의학과 전문의가 알려주는 건강 콘텐츠 - 열 질환 / 해열제 복용 / 기타 질환 등 아이 건강과 관련된 공신력 있는 정보를 확인할 수 있어요. ● 꼭 필요한 권한만 요청합니다. [선택 접근 권한] - 사진 : 사용자/아이 프로필 사진 등록 및 1:1 문의 이미지 업로드 시 필요 - 위치(GPS) : 위치 기반의 체온 및 유행 질환 통계 분석 용도로 사용 * 열나요에서 제공되는 서비스는 진단이나 치료를 목적으로 하는 의료 행위에 해당하지 않으며, 건강 관련 모든 문제에 대해서는 반드시 의사나 의료 전문가와 상담하시기 바랍니다. * 앱 사용 관련 문의 : 열나요 앱의 1:1문의 또는 cs@fevercoach.net * 제휴 문의 : biz@fevercoach.net
Baby Billy
Track your pregnancy week by week with expert advice on mom and baby's development. Connect with a supportive community of parents for tips and share your journey with family.
- Week-by-week pregnancy tracking
- Baby development milestones
- Expert prenatal care guidance
- Parenting community forum
- Photo gallery
- Personal diary
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▶ The best prenatal care guidance is here! From the moment you realize your pregnancy, it changes everything. Combating morning sickness, shopping for a baby's room, scheduling doctor’s visits, remembering to take your prenatal vitamins... We know there’s so much to keep tabs on! But no worries! We're here to help! ▶ Tracking week-by-week changes of mom and baby Baby Billy provides weekly tips to see if your baby is meeting their milestones. You can have instant access to expert advice on baby's developmental milestones, from mental, physical, emotional, and linguistic health. There are hundreds of articles and images to help you understand your weekly changes! ▶ Your BFFs are waiting! You can connect with millions of other like-minded parents who are currently going through or have overcome the pregnancy ride. It can be especially tough and overwhelming if you're trying to do it alone and feeling like no one can empathize with you. You probably encounter people who may be going through the exact anxieties, stresses, and joys of pregnancy and parenting at the same time. Join your BFF community and get some tips from baby name ideas to a shopping list for essential items during and after pregnancy. ▶ Sharing with family You can share tips written by experts to your partner, family members and friends and get some supports! You can even create a whole gallery of your baby's photos and feel proud of how your little angel is growing up. ▶Diary Baby Billy gives you a variety of record-keeping, scheduling and communication tools to communicate with not only others but also yourself. Pregnancy and parenting aren't easy, and it never hurts to have a shoulder to lean on and a place to be vulnerable. The ride itself is not always full of laughters but sometimes is filled with mood swings and moodiness. Let all of these inner feelings out, relax and Baby Billy is right here to hear you out. ▶Baby Billy wishes you all the best on this journey. If you have any questions, please feel free to contact us. - Homepage : https://babybilly.co/en - Instagram: https://www.instagram.com/babybilly.global/
Screenshots
Verdict
The clearest difference is rating: Baby Billy at 4.9 against 열나요's 4.1. Baby Billy also leads on ads (none vs shown) and ratings volume (233 vs 10). On price, review sentiment, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Baby Billy holds the better App Store score, 4.9 against 4.1. That said, the two scores are not equally well evidenced: Baby Billy has 233 ratings behind it against 10, so its average is the more settled of the two. Written reviews split almost evenly too, at 94% and 93% positive.
열나요 ships an update every 3 weeks, Baby Billy weekly. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.
| Parameter | 열나요 | Baby Billy |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (10 ratings) | 4.9 (233 ratings) — better |
| Positive reviews | 94.3% of reviews — better | 93.4% of reviews |
| Number of ratings | 10 | 233 — better |
| Update frequency | Every 3 weeks | Weekly — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 165 MB | 267 MB |
| Age rating | 12+ | 12+ |
| Developer | Mobile Doctor | VillageBaby Inc |
Customer experience
열나요
Baby Billy
In-app purchases
열나요
No in-app purchases
Baby Billy
No in-app purchases







