# Callibri Biofeedback vs Lingvostim

The clearest difference is update cadence: Lingvostim at every 6 weeks against Callibri Biofeedback's every 4 months. Lingvostim also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Callibri Biofeedback ships an update every 4 months, Lingvostim every 6 weeks. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Callibri Biofeedback | Lingvostim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/callibri-biofeedback/id1517798639/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 269 MB | 83 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [BRAINBIT INC.](https://appshunter.io/developer/1510548622) | [Gleb Golub](https://appshunter.io/developer/1579345427) |

## What reviewers say

### Callibri Biofeedback

[App page](https://appshunter.io/ios/app/callibri-biofeedback/id1517798639)

This system uses a sensor to measure muscle tone and visualizes your muscle activity in a game-like interface. It's designed for self-regulation training to improve muscle strength and bodily functions.

**Highlights:** Muscle tone evaluation (EMG signal), Visualizes muscle activity in games, Muscle restoration for stroke/CP, Home fitness muscle strengthening, Increases physiological reserves

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

**In-app purchases:** none


### Lingvostim

[App page](https://appshunter.io/ios/app/lingvostim-ble/id1592829807)

Control a wireless LINGVOSTIM device to optimize your psycho-emotional state. Adjust device brightness and select sessions to manage your well-being.

**Highlights:** Wireless device control, Brightness adjustment, Session selection, Psycho-emotional state optimization, IOS compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Callibri Biofeedback free?

Callibri Biofeedback is free to download, with no in-app purchases.

### Is Lingvostim free?

Lingvostim is free to download, with no in-app purchases.

### Do Callibri Biofeedback or Lingvostim have ads?

Neither Callibri Biofeedback nor Lingvostim shows ads.

### Which is updated more often, Callibri Biofeedback or Lingvostim?

Callibri Biofeedback ships an update every 4 months, and Lingvostim every 6 weeks. Most recently, Callibri Biofeedback was updated on October 15, 2026 and Lingvostim on October 24, 2026.

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