# Mindfield eSense — Biofeedback for stress relief > Biofeedback app for stress measurement, reduction, and relaxation training with sensors. (iPhone/iPad app by Mindfield Biosystems Ltd..) - Source: https://appshunter.io/ios/app/mindfield-esense/id1141032160 (this page in markdown: same URL + `.md`) - Developer: [Mindfield Biosystems Ltd.](https://appshunter.io/developer/496503507) - Category: Health & Fitness, Medical - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings · 39 written reviews indexed - Age rating: 4+ - Requires: iOS 15.0 · 276 MB - Languages: English - Released: 2016-09-04 - Data updated: 2026-08-03 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/mindfield-esense/id1141032160/reviews.md ## What is Mindfield eSense? The Mindfield eSense App turns your iPhone and iPad, together with the eSense Biofeedback sensors, into a comprehensive solution for stress measurement, relaxation training and self-awareness - in daily life, in training and coaching settings, and in research. **What is Biofeedback?** Biofeedback makes unconscious body signals such as skin conductance, skin temperature, pulse, breathing or muscle tension visible in real time. With targeted training you learn to influence these signals consciously - a scientifically well-documented approach for stress reduction and overall wellbeing. **Five sensors for precise biofeedback:** 1. **eSense Skin Response**: measures skin conductance (EDA, GSR) as a direct stress indicator. 2. **eSense Temperature**: captures skin temperature for effective hand-warming training. 3. **eSense Pulse**: Bluetooth chest strap for accurate heart rate and heart rate variability (HRV) measurement. 4. **eSense Respiration**: breathing-belt add-on for the eSense Skin Response - captures breathing rate, depth and pattern. 5. **eSense Muscle**: measures muscle activity (EMG) for targeted relaxation and activation training. **Comprehensive app features:** - **Customisable breathing pacer** with breathing rate, hold times and resonance breathing - **Multimedia feedback** through video, music, sounds, vibration and Philips Hue Smart Bulbs - **Adjustable training programs (procedures)** for structured multi-step sessions - **Unlimited archive** with ZIP export, CSV/PDF data analysis and per-sensor data wipe for shared devices - **Real-time thresholds** for reactive video feedback (sharpness, brightness, colour) - **14 languages**, continuous updates, intuitive operation **Concrete use cases:** - Stress management and more recovery in everyday life - HRV training and resonance breathing for autonomic balance - Breathing exercises for mindfulness, sports and mental clarity - Hand-warming training to support circulation - Muscle relaxation for desk-bound tension - Focus and performance training **Cloud functions and eSense Web App:** - **Basic Plan**: cloud storage of measurements and access to the eSense Web App (esense.live) - **Premium Plan**: additional cloud storage of procedures, real-time streaming to the Web App and sharing of measurements - **Web App**: simultaneous display of multiple sensors - ideal for group supervision and professional use **OSC and LSL streaming (In-App Purchase, optional):** For researchers and power users: stream your eSense data in real time directly from the app. - **OSC (Open Sound Control)**: to receivers like Max/MSP, Pure Data, TouchDesigner, Processing - **LSL (Lab Streaming Layer)**: to LabRecorder, OpenViBE, MATLAB, BCI2000, pylsl and other LSL-compatible research tools Both protocols are bundled into a single In-App Purchase. **Who is the app for?** - **Individuals** who want to train stress, breathing and relaxation in a focused way - **Trainers and coaches** for structured training sessions, with a multi-user-friendly archive on shared devices - **Researchers and universities** for quantitative data collection with bridges to MATLAB, LabRecorder and custom LSL pipelines **Flexibility and mobility:** - Use at home, in a training or coaching setting, or on the go with iPhone or iPad - Integration into daily life for regular biofeedback training - Free app with continuous updates and fair value for high-precision biofeedback hardware **More information:** - Product overview and tutorials: mindfield-esense.com - Order sensors and accessories: mindfield-shop.com - FAQ & support: help.mindfield.de With precise sensors, a versatile app and cloud functions, biofeedback integrates seamlessly into daily life, training and research. ## Key features - Biofeedback sensors (skin response, temperature, pulse, respiration, muscle) - Customizable breathing guide - Multimedia feedback (video, music, sound, vibration) - Unlimited measurement storage - Detailed data analysis with export - Smart bulb integration (Philips Hue) ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | SkinResponse,Premium,monatlich | $6.49 | per month | | 4 eSense, Premium, monatlich | $8.99 | per month | | Skin Response, Basic,monatlich | $3.99 | per month | | eSense Pulse, Basic, monatlich | $3.99 | per month | | Skin Response, Basic, jährlich | $38.99 | per year | | Respiration,Basic,jährlich | $38.99 | per year | | Alle 4 eSense,Basic,jährlich | $60.99 | per year | | all 4 eSense, Basic, monthly | $6.49 | per month | | Temperature, Basic, monatlich | $3.99 | per month | | eSense Muscle, Basic, jährlich | $38.99 | per year | | eSense Pulse,Premium,jährlich | $60.99 | per year | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | additional eSense Videos | $3.99 | one-time | | additional eSense Music | $3.99 | one-time | | Frequency-Domain HRV Analysis | $9.99 | one-time | | All purchases | $47.99 | one-time | | eSense Cloud | $19.90 | one-time | | esense Polar | $129.00 | one-time | | OSC data | $9.99 | one-time | | esense Hue | $9.99 | one-time | ## Recent user reviews (10 of 39) All indexed reviews: https://appshunter.io/ios/app/mindfield-esense/id1141032160/reviews.md ### 2/5 — Puh…. *2024-05-23, version 6.8.7* Es geht hier ja einzig und allein um die App und nicht um den dazugehörigen Sensor. Die App macht auf mich einen unfertigen Eindruck… Einerseits sind es sehr viele Möglichkeiten, andererseits lassen sich diese Möglichkeiten aber auch meistens nicht so kombinieren, wie ich es gerne hätte. Vorhandene Schieberegler um Zeiten einzustellen, sind extrem schwierig bedienbar; wenn man da nicht aufpasst, sind die Ruckzuck wieder verstellt. Auch gibt es immer wieder Bereiche, in denen sich die App aufhängt.. oder die Videos verschwinden einfach und man muss die App wieder neu installieren. Was mir auch komisch vorkam: Bei ein und der selben Übung hatte ich einmal exorbitante Werte und beim anderen Mal unterirdische Werte. Das Werte schwanken ist sicherlich normal, aber in solchen Dimensionen…..? Kurz um: für mich ist es nichts, aber wahrscheinlich muss es jeder selber ausprobieren, um zu sehen, wie zufrieden er mit dieser App ist. ### 1/5 — Très mauvaise qualité *2024-05-19, version 6.8.7* Produit inutilisable, ne fonctionne pas. Beaucoup trop cher pour une qualité très médiocre. ### 1/5 — Impossibile salvare sessioni di allenamento *2023-10-02, version 6.6.0* Esense respirazione non salva le sessioni di allenamento aperto. Nient’altro da aggiungere. App inutile. Punto ### 5/5 — Great HRV Trainer *2023-09-27* Love the HRV training program. Have found it very beneficial for dealing with my stress and teaching others to deal with theirs. ### 1/5 — Terrible Quality *2023-03-19* The GSR sensor device is made so cheaply with old technology. It requires an old style headphone jack for the iPhone. It will not hold a sensor contact no matter what I do. I bought a new jack, rebooted the app, the phone, updated the finger sensors to plastic clips. Nothing works. Kinda defeats the purpose of biofeedback. I’m more frustrated than relaxed. App itself is in desperate need of an update. It’s not user friendly but I did figure out how to navigate and program procedures. They do offer YouTube tutorials which definitely help. ### 1/5 — No connection to sensors *2022-10-23, version 5.6.5* The app always looses connection to the sensor. Every 5 seconds it warns of lost connection. ### 4/5 — Valutazione eSense skin response *2022-09-02, version 5.6.5* Sovente sgancia il segnale perdendo tutti i dati della seduta. In particolare se si prova ad utilizzare lo zoom durante il training . ### 1/5 — Ne fonctionne pas *2022-02-24, version 5.6.1* L application freeze rapidement et rien ne se passe plus ### 2/5 — Funktioniert nicht *2021-11-03, version 5.1.9* Die App funktioniert nicht nach dem Update der neuen Apple Version ### 5/5 — Easy to use *2021-10-29, version 5.1.9* Easy to use, this app used to be working very well until the iOS 15.1 update. It’s impossible to launch it since the update. I can’t wait for a correction of this bug to be made, so as to be able to use it again. ## Frequently asked questions about Mindfield eSense ### What does the Mindfield eSense app do? The Mindfield eSense app, when used with its eSense Biofeedback sensors, offers a comprehensive solution for measuring, reducing, and training relaxation for stress. It allows users to monitor various physiological signals and engage in guided exercises to improve their stress management. ### What are the key features of the app? Key features include a customizable breathing guide, multimedia feedback options (video, music, sound, vibration), unlimited storage for measurements, detailed data analysis with export capabilities, and integration with Philips Hue smart bulbs for innovative visualization. ### How much does the Mindfield eSense app cost? The app itself is free and receives continuous updates and feature enhancements. However, it is designed to work with proprietary eSense Biofeedback sensors, which are purchased separately. There are also optional cloud functions and a web app available through basic and premium plans. ### What sensors are compatible with the Mindfield eSense app? The app is compatible with a range of eSense Biofeedback sensors, including eSense Skin Response for EDA/GSR, eSense Temperature for hand-warming training, eSense Pulse for ECG and HRV, eSense Respiration for breathing patterns, and eSense Muscle for EMG. ### Who is the target audience for this app? This app is designed for individuals who want to actively measure, understand, and reduce their stress levels. It's suitable for both beginners and advanced users looking for a flexible and effective way to integrate biofeedback training into their daily lives for improved well-being. ## Version history (last 5 releases) ### 8.1.6 — 2026-08-03 New in 8.1.6 - NEW: Automatic restart of a measurement. In the sensor settings, right below Session length, you can now switch on an automatic restart. When the timer stops the measurement, it starts again on its own, up to five times in a row. Every run is stored as its own recording, and the app shows you in advance how long the whole training will take with the length and the number of parts you selected. - NEW: What is new, directly in the app. After an update the app now shows you what we added and what we fixed. The notice can be switched off. The app also lets you know when a newer version is available in the App Store. - eSense Skin Response: revised counting of spontaneous fluctuations. A rise from a local minimum to the following maximum now counts as an SCR when it reaches at least 0.02 µS within 1 to 20 seconds. That is the established criterion in psychophysiology, and it makes the SCR rate largely independent of how quiet the signal is. Please note that SCR values from recordings made before this update cannot be compared one to one with newer ones. We explain the background at help.mindfield.de/en. - Procedures: fixed several issues with modules that use your own images, videos or audio files, and with procedures built from many modules. - Updated technical basis for current iOS versions. Manual & FAQ: help.mindfield.de/en Please send us your feedback to info@mindfield.de. Enjoy this update! ### 8.1.3 — 2026-07-01 New in 8.1.3 - USB audio adapters now work reliably. Whether you use an original Apple or a third-party USB-C or Lightning adapter, your eSense is detected correctly - no matter which option you choose in the audio popup. For the best signal quality we still recommend original Apple adapters. - Your settings are now remembered. Breath pacer, video, music and other options are saved per sensor, and your eSense Pulse connection is kept in Open Training and Procedures. Settings are stored per account - and also when you use the app without an account. - Improved performance and stability under the hood. Manual & FAQ: help.mindfield.de/en Please send us your feedback to info@mindfield.de. Enjoy this update! ### 8.1.0 — 2026-06-26 New in 8.1.0 - Improved automatic detection of the required audio input when you start an Open Training. This especially helps with USB-C and headphone-jack adapters, where the eSense was sometimes not picked up right away. - Cloud sync: your trainings no longer disappear. Synced sessions now appear in the main archive. A new popup reminds you that you may need to restart the app or leave and re-enter the sensor for them to show up. - Corrected dates in the records list - sessions are no longer shown under the wrong year. - Fixed CSV export for combined feedback. - Further refinements, including the PDF report layout. Manual & FAQ: help.mindfield.de/en Please send us your feedback to info@mindfield.de. Enjoy this update! ### 8.0.9 — 2026-06-19 New in version 8.0.9 This release focuses entirely on bug fixes and stability. No new features were added – instead, we concentrated on issues reported to us by our users. Fixed in this version: Longer eSense Pulse sessions are now saved correctly. Previously, extended recordings could in some cases be stored incompletely in the archive. This has been fixed, so even long training sessions are now reliably preserved. The Philips Hue Bridge is detected reliably again. The connection to the Hue Bridge now works as expected, so light-based biofeedback can be used without further issues. Improved signal display for all eSense sensors. The way measurement signals are displayed has been reworked across all eSense sensors and is now clearer and more consistent. We recommend that all users update to this version. Manual & FAQ: help.mindfield.de/en ### 8.0.7 — 2026-06-02 New in 8.0.6 - Brand-new technical foundation: full migration to Capacitor 7. Significantly improved stability, a cleaner user interface and a platform for faster future updates. - NEW: Lab Streaming Layer (LSL) is now included in the OSC In-App Purchase. Stream your eSense data in real time to LabRecorder, OpenViBE, MATLAB, BCI2000, pylsl and any other LSL-compatible research tool. - NEW: Archive wipe. Supervisors can reset a client's data from the profile page. Every user can also wipe their own data per sensor via the 3-dot menu in the archive - ideal for shared devices and multi-user setups. - NEW: Sensor connection check. When you start a training without a connected sensor, the app now shows a clear message and points you to Demo Mode. - Reworked procedure system: downloads, uploads, sharing and the local procedures list all work reliably now. - Philips Hue: pairing without the 10-second button press. eSense Pulse, breath pacer and Hue lighting now share a consistent color and brightness logic. Improved temperature slider (20-40 °C in 0.1° steps) is available in Open Training and Procedures. - Breath pacer: hold times applied correctly with clearly highlighted breaths-per-minute. Oscilloscope: scale lock now also in fullscreen and procedures. Real-time thresholds during video feedback (sharpness, brightness, color). - Archive: reliable ZIP export, clearer sort toggle and more control over cloud sync (no forced sync after login). - Many further refinements: tactile feedback, restored YouTube thumbnails, fixed Help links, refreshed Shop & Plans, login language selection and UI polish across headers, modals and notch handling. Manual & FAQ: help.mindfield.de/en Please send us your feedback to info@mindfield.de. Enjoy this new update! ## Apps similar to Mindfield eSense | App | Rating | Price | Category | | --- | --- | --- | --- | | [Yudemon HRV](https://appshunter.io/ios/app/yudemon-hrv/id1629852639) | 4.8 (9) | Free | Health & Fitness | | [Vagus Nerve Breathing - FlowMD](https://appshunter.io/ios/app/vagus-nerve-breathing-flowmd/id6446627839) | 4.7 (33) | Free | Health & Fitness | | [Optimal HRV](https://appshunter.io/ios/app/optimal-hrv/id1501292206) | 3.1 (23) | Free | Health & Fitness | | [Brainbit App](https://appshunter.io/ios/app/brainbit-app/id1510548623) | 3.7 (3) | Free | Health & Fitness | | [Callibri Biofeedback](https://appshunter.io/ios/app/callibri-biofeedback/id1517798639) | 3.0 (1) | Free | Health & Fitness | | [BrainBit Neurofeedback](https://appshunter.io/ios/app/brainbit-neurofeedback/id1537953008) | 4.0 (1) | Free | Health & Fitness | ## More apps by Mindfield Biosystems Ltd. - [eSense Muscle](https://appshunter.io/ios/app/esense-muscle/id1563762101) - [eSense EEGenius](https://appshunter.io/ios/app/esense-eegenius/id1563767134) All apps by Mindfield Biosystems Ltd.: https://appshunter.io/developer/496503507 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-03.*