NISSEI HealStyle3.5.0 - App Store

Easy smartphone-based health care management

NISSEI HealStyle is an app from Japan Precision Instruments that lets users manage their health and fitness data, measured using medical instruments, on their iOS devices.
Compatible with Health.

Please do not make any judgment or treatment on your own based on the measurement result. Make sure to follow doctor's directions/instructions.

Blood Pressure Monitor App Features

1. Compatible with the Apple Health app on iOS 13 and later. (for one person only at a time) This app can transfer health and fitness data used and acquired in-app to the Health app.
2. Displays daily blood pressure and pulse rate data, both numerically and graphically. This makes it easy to visualize improvements.
3. If a blood pressure threshold set on the profile screen is exceeded, that fact is indicated by a color change on the text display screen and the graphical display screen.
4. Can set an alarm for starting measurements up to twice a day, and displays an alarm notification on the iOS device.
5. Can manage blood pressure and pulse rate data for up to five people. Family members can check each other's data by sharing the app.(DS-S10)
6. Automatically corrects internal clock data when the blood pressure gauge data is transferred over Bluetooth.
7. Transfers data is using wireless. (Bluetooth Low Energy).

- Compatible Models
Blood Pressure Monitor : DS-S10, WS-X10BTJ (As of August 2026)
- Compatible OS
iOS13 or later

Pulse Oximeter App Features

1. Compatible with the Apple Health app on iOS 13 and later. This app can transfer health and fitness data used and acquired in-app to the Health app.
2. BO-950BT : Displays blood oxygen saturation level, pulse rate, PX (pulse index : pulse strength) and respiratory rate values numerically,
enabling users to manage their daily health easily.
BO-750BT : Displays blood oxygen saturation level, pulse rate data, and perfusion index values numerically, enabling users to manage their daily health easily.
3. BO-950BT : Can monitor blood oxygen saturation level, pulse rate, pulse data , and respiratory rate to check for changes at measurement time.
BO-750BT : Can monitor blood oxygen saturation level, pulse rate, and pulse data to check for changes at measurement time.
4. If warnings are enabled from the settings screen, a warning sound is played whenever the pulse rate falls outside of upper and lower bounds, or whenever the SpO2 level falls below a threshold.
5. If automatic recording is enabled from the settings screen, measured values are automatically recorded every 10 seconds once measurement begins.BO-950BT does not automatically record, so please tap record after the respiratory rate is displayed on the screen.
6. Transfers data is using wireless. (Bluetooth Low Energy).

- Compatible Models
Pulse Oximeter : BO-750BT/950BT (As of August 2026)
- Compatible OS
iOS13 or later

Non contact Thermometer App Features

1. Compatible with the Apple Health app on iOS 13 and later. (for one person only at time) This app can transfer health and fitness data used and acquired in-app to the Health app.
2. Can display forehead temperature and room temperature both numerically and graphically, enabling users to manage their health.
3. Can display the temperatures of objects and room temperature both numerically and graphically, enabling users to manage the temperature of objects.
4. Transfers data is using wireless. (Bluetooth Low Energy).

- Compatible Models
Non contact Thermometer: MT-500BT/550BT (As of August 2026)
- Compatible OS
iOS13 or later

Version History We have added a new model, the BO-950BT, to our pulse oximeter lineup, which is capable of measuring respiratory rate. 3.5.0 Aug 18 Fixed the issue where the device could not be selected in iOS26.1.0. 3.3.1 11/20/2025 Correspondence of chinese of iOS. 3.3.0 07/31/2020 Bug fix on connection of pulse oximeter and thermometer. 3.2.0 09/09/2019 Corresponds for WS-X10BTJ 3.1.0 09/04/2019 1.Addition of MT-500BT app.
2.Correspondence of english of iOS. 3.0.0 06/07/2016 DS−S１０用
１．リスト画面に不整脈波マーク表示機能を追加しました
２．リスト画面でのデータ削除機能を追加しました
３．グラフ画面を変更しました
４．ヘルスケア連携機能を修正しました

BO-750BT用アプリ追加しました 2.0.0 07/31/2015 1.0.0 03/16/2015