# Mindfield eSense vs Calm Now.

The clearest difference is iOS requirement: Mindfield eSense at 15.0 against Calm Now.'s 18.5. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Mindfield eSense sells 10 in-app purchases, starting at $3.99 per month and Calm Now. sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Mindfield eSense ships an update monthly, Calm Now. fortnightly. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Mindfield eSense | Calm Now. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mindfield-esense/id1141032160/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 45.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 276 MB | 52 MB |
| Requires iOS | **15.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mindfield Biosystems Ltd.](https://appshunter.io/developer/496503507) | [Mateusz Byrtus](https://appshunter.io/developer/1774701166) |

## What reviewers say

### Mindfield eSense

[App page](https://appshunter.io/ios/app/mindfield-esense/id1141032160)

This app uses biofeedback sensors to help you measure and manage stress, improve relaxation, and increase self-awareness. It offers real-time feedback through various multimedia options and customizable training programs for daily life, coaching, and research.

**Highlights:** Biofeedback sensors for stress measurement, Real-time multimedia feedback, Customizable breathing pacer, Adjustable training programs, Unlimited data archive with export, OSC and LSL streaming for researchers

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Skin Response, Basic,monatlich | $3.99 | per month |
| eSense Pulse, Basic, monatlich | $3.99 | per month |
| Temperature, Basic, monatlich | $3.99 | per month |
| SkinResponse,Premium,monatlich | $6.49 | per month |
| all 4 eSense, Basic, monthly | $6.49 | per month |
| 4 eSense, Premium, monatlich | $8.99 | per month |
| Skin Response, Basic, jährlich | $38.99 | per year |
| additional eSense Music | $3.99 | one-time |
| Frequency-Domain HRV Analysis | $9.99 | one-time |
| All purchases | $47.99 | one-time |


### Calm Now.

[App page](https://appshunter.io/ios/app/calm-now/id6751507698)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $3.99 | per month |
| Yearly Premium | $24.99 | per year |
| Lifetime Premium | $69.99 | one-time |


## Frequently asked questions

### Is Mindfield eSense free?

Mindfield eSense is free to download, with in-app purchases available.

### Is Calm Now. free?

Calm Now. is free to download, with in-app purchases available.

### Do Mindfield eSense or Calm Now. have ads?

Neither Mindfield eSense nor Calm Now. shows ads.

### Which is updated more often, Mindfield eSense or Calm Now.?

Mindfield eSense ships an update monthly, and Calm Now. fortnightly. Most recently, Mindfield eSense was updated on November 2, 2026 and Calm Now. on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*