Napplee vs Gazzy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Napplee
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Napplee (hereinafter referred to as "this application") uses separately sold baby sensors Baby Ai series and IBUKI series (hereinafter referred to as "dedicated baby sensors") to detect the decrease in respiration estimated from the body movements of sleeping infants. If you do, you will be notified by an alert sound. ※Average breathing rate, temperature and humidity are not displayed with this app alone. A dedicated baby sensor (sold separately) is required. When wirelessly connecting the special baby sensor and iPad/iPhone, please bring the sensor and iPad/iPhone closer together. ※Body motion sensor IBUKI can be connected to this application. When connecting IBUKI, some models cannot use the temperature/humidity display function and the heat stroke/flu alert function. (Example: Body motion sensor IBUKI ONE: Not compatible, New model body motion sensor IBUKI 1.5: Compatible) Please read the following main functions, operating environment, and precautions before using this product correctly. <Main functions> ・You can record average respiration data for up to 1000 days. <Function linked with dedicated baby sensor> ・ Every few seconds, the baby's average breathing rate/minute, body movement, attention, and stability during sleep are monitored and automatically recorded every 30 seconds. ・An alert will notify you when your baby's respiratory body movements per minute are less than 6 times or when it is undetected for 25 seconds. ・Monitor and record the sleeping conditions of up to 2 infants with this app. In addition, the following settings and displays can be made from the menu screen. (For details, please refer to the "Instruction Manual for Baby Sensor App Napplee" in this app.) ・ The data recorded during sleep can be displayed in a graph. ・You can be notified by an alert sound when the arbitrarily set temperature and humidity are outside the set range. ・ If the temperature and humidity in the room are at risk of heat stroke or influenza, you can be notified by an alert sound. <Operating environment> ・iOS11 or higher, compatible with iPhone/iPad ・The dedicated body motion sensors that can work with this application are body motion sensors that have been sold by LDS in the past, such as IBUKI ONE, Baby Ai, Baby Ai Med, Mamorin Baby, Hapisapo Baby Sensor, Nursing Care Log Med. <Notes> ・Please do not use this application for preventive, diagnostic or therapeutic purposes. ・This app cannot be used alone. A dedicated motion sensor (sold separately) is required. ・Please consider the average breathing rate and respiratory body movement intensity graph displayed in this app as a reference only. ・Please be sure to follow the procedures and precautions written in the "Instruction Manual for Baby Sensor App Napplee" in this app. Please note that we are not responsible for any unsafe events that occur due to deviated procedures.
Gazzy
This app automatically tracks your steps and distance, integrating with your device's health data. Compete against others nationwide in real-time state leaderboards to foster a healthier lifestyle and build a consistent fitness habit.
- Automatic step and distance tracking
- US state-by-state rankings
- Real-time leaderboards
- Seamless Health app integration
- Clean and motivating interface
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Gazzy is your running and walking companion that automatically tracks your steps and distance while letting you compete in state-by-state rankings across the USA. 【Key Features】 ■ Automatic Step Tracking Seamlessly integrates with Health app for accurate step and distance tracking *No other health data is accessed or collected ■ State Rankings Choose your state and compete with runners nationwide in real-time leaderboards ■ Real-Time Updates Today's steps, distance, and rankings update instantly ■ Modern Design Clean, motivating interface that makes you want to move every day! 【Perfect for】 ・Building a daily walking or running habit ・Living a healthier lifestyle ・Competing with your community ・Finding a simple, reliable fitness tracker Start your healthy journey with Gazzy today! Contact Email contactnakapon@gmail.com Terms of Service https://www.nakapon.jp/en/services/gazzy/terms Privacy Policy https://www.nakapon.jp/en/privacy-policy
Screenshots
Verdict
The clearest difference is ads: Napplee at none against Gazzy's shown. Napplee also leads on iOS requirement (11.0 vs 15.1). Gazzy's advantage is update cadence (every 5 days vs every 3 months). On price, 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.
Napplee ships an update every 3 months, Gazzy every 5 days. The most recent releases landed on October 19, 2026 and October 8, 2026 respectively.
| Parameter | Napplee | Gazzy |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 3 months | Every 5 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 60 MB | 56 MB |
| Age rating | 12+ | 4+ |
| Developer | 株式会社リキッド・デザイン・システムズ | Sho Nakazato |
In-app purchases
Napplee
No in-app purchases
Gazzy
No in-app purchases









