inti light vs Heart Log
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
inti light
This app enhances your wake-up experience by simulating sunlight to regulate your body's natural rhythm. It supports a more comfortable awakening and improved sleep quality. Requires a separate light alarm device to function.
- Sunrise simulation control
- Energy light on/off and color adjustment
- Counseling function
- Automatic clock synchronization via Bluetooth
- Light alarm status display
- Operation guide
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太陽のような明るさの光で快適な目覚めをサポートする 「光目覚まし inti4(インティフォー)」専用アプリです。 起床時に光を浴びる事で体内リズムが整い、快適な目覚めと質の高い夜の時間をサポートします。 すでに多くの方が光目覚ましを使って 朝が楽になっています。 別売りの光目覚ましinti4(インティフォー)本体が必要です。 【アプリ表示画面】 ・「光目覚まし設定」ダイアログ表示ボタン ・光目覚ましステータス ・intiライト操作(操作ガイド付き) ・「サポート」ダイアログ表示ボタン ・「その他設定」ダイアログ表示ボタン 【int4との連動】 inti4 (インティフォー)をこのアプリで動かすことが出来ます。 ・エナジーライトのオン/オフと色調の変更 ・サンライズの設定 ・カウンセリング機能 Bluetoothでのペアリングをすると本体の時計は スマホの時間に自動で設定されます。 ※ペアリングの際は、お手持ちのinti4の液晶が点滅します。 点滅しない場合は、再度接続ボタンを押してください。 照射データ記録に不具合が発生し、一時休止をしております。 今後とも、inti lightアプリをよろしくお願いいたします。
Heart Log
Track your blood pressure, heart rate, and weight daily. This app helps you manage your health with easy data entry, rest timers, and medication tracking. It also offers graphing and printing features for better health insights and doctor communication.
- Daily blood pressure and weight logging
- Rest timer before measurement
- Morning/night tally
- Diverse analysis graphs
- Medication and exercise checklist
- Health app integration (HealthKit)
- LAN data exchange
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Leaving hypertension intact will cause various diseases. To know and manage correct blood pressure, it is necessary to measure the blood pressure at home every day. This application records health, blood pressure, weight, lifestyle, etc everyday and controls health We will provide useful functions for communication with doctors. Health app INTEGRATION: this app shows you the following data from the Health app (HealthKit). You can input your data manually, and the data is stored in the Health app. Blood pressure Heart rate Body weight Feature: Easy to fill Rest time timer before measurement Tally separately for morning and night Three types of graphs that can be analyzed diversely A checklist that can record medications and exercise Comment function such as physical condition and living situation Print function You can check the function with sample data exchange data with other device's heart log via LAN communication( TCP/IP port 2020) Calculation and Graphing of pulse pressure(PP) and mean blood pressure(MBP)
Screenshots
Verdict
The clearest difference is review sentiment: Heart Log at 100% against inti light's 11%. inti light's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence, 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.
inti light ships an update every 4 weeks, Heart Log every 3 weeks. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.
| Parameter | inti light | Heart Log |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.0 (3 ratings) — better |
| Positive reviews | 10.8% of reviews | 100.0% of reviews — better |
| Number of ratings | — | 3 — better |
| Update frequency | Every 4 weeks | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 7.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 138 MB | 7 MB |
| Age rating | 4+ | 12+ |
| Developer | Moon moon, Inc. | Forty,Co.,Ltd. |
Customer experience
inti light
Heart Log
In-app purchases
inti light
No in-app purchases
Heart Log
No in-app purchases









