# Flowly vs Callibri Biofeedback

The clearest difference is rating: Flowly at 4.6 against Callibri Biofeedback's 3.0. Flowly also leads on ratings volume (401 vs 1) and update cadence (monthly vs every 4 months). Callibri Biofeedback's advantage is in-app purchases (none vs 11). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Flowly sells 11 in-app purchases, starting at $4.99 per month. Callibri Biofeedback asks for nothing beyond the download.

Flowly holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: Flowly has 401 ratings behind it against 1, so its average is the more settled of the two.

Flowly ships an update monthly, Callibri Biofeedback every 4 months. The most recent releases landed on August 11, 2026 and August 18, 2026 respectively.

## The numbers

| Metric | Flowly | Callibri Biofeedback |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (401 ratings)](https://appshunter.io/ios/app/flowly-relaxation-training/id1485955236/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/callibri-biofeedback/id1517798639/reviews) |
| Number of ratings | **401** | 1 |
| Positive reviews | 85.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 432 MB | 269 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [Tamade LLC](https://appshunter.io/developer/1454481257) | [BRAINBIT INC.](https://appshunter.io/developer/1510548622) |

## What reviewers say

### Flowly

[App page](https://appshunter.io/ios/app/flowly-relaxation-training/id1485955236)

This app offers a 12-week virtual reality program designed to help individuals manage chronic pain and anxiety. It combines biofeedback, VR training, and expert coaching to guide users from pain to a state of flow.

**Highlights:** 12-week curated program, VR nervous system training, HR sensor integration, Flowly Coaching sessions, Virtual support groups (Bubbles), Expert-led workshops, 2D breathwork guides

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Community Membership Monthly | $4.99 | per month |
| Flowly Journey Maintenance | $4.99 | per month |
| Flowly Basic Monthly | $9.99 | per month |
| Flowly Basic Monthly | $9.99 | per month |
| Community Membership Yearly | $39.99 | per year |
| Flowly Pro Monthly | $44.99 | per month |
| Flowly Pro Monthly | $44.99 | per month |
| Flowly Basic Yearly | $59.99 | per year |
| Flowly Pro Yearly | $239.99 | per year |
| Flowly Family Plan | $349.99 | per year |
| Healing from Pain Program | $1000.00 | one-time |

**What reviewers like**

- 💤 Helps with sleep and insomnia
- 🧘‍♀️ Effective for anxiety and stress relief
- 🚀 Immersive VR experience
- 📊 Provides biometric data and feedback
- 🤝 Responsive and helpful customer support

**What reviewers complain about**

- 💰 Expensive subscription model
- 🤕 Issues with heart rate sensor and connectivity
- 🤓 Steep learning curve for some users
- 🤖 Concerns about overly corporate/cult-like language
- 🔍 Lack of free trial or demo version

**Reported bugs**

- App crashes when entering billing information
- Incompatibility issues with certain phone models and VR headsets

**Requested features**

- Ability to walk around in VR worlds instead of just sitting
- Integration with Apple Health and other fitness trackers
- More diverse range of VR environments and experiences
- Offline mode for VR sessions
- Customizable breathing patterns and pacing


### 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


## Frequently asked questions

### Is Flowly free?

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

### Is Callibri Biofeedback free?

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

### Which has better reviews, Flowly or Callibri Biofeedback?

Flowly is rated higher. Flowly averages 4.6 out of 5 from 401 ratings, while Callibri Biofeedback averages 3.0 from 1 ratings.

### Do Flowly or Callibri Biofeedback have ads?

Neither Flowly nor Callibri Biofeedback shows ads.

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

Flowly ships an update monthly, and Callibri Biofeedback every 4 months. Most recently, Flowly was updated on August 11, 2026 and Callibri Biofeedback on August 18, 2026.

---

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