# BellyBio Interactive Breathing vs Inner Balance

The clearest difference is rating: Inner Balance at 4.8 against BellyBio Interactive Breathing's 4.0. Inner Balance also leads on in-app purchases (none vs 4) and ratings volume (18K vs 40). BellyBio Interactive Breathing's advantage is iOS requirement (7.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. BellyBio Interactive Breathing sells 4 one-off in-app purchases. Inner Balance asks for nothing beyond the download.

Inner Balance holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: Inner Balance has 18K ratings behind it against 40, so its average is the more settled of the two. Written reviews point the same way: 68% of BellyBio Interactive Breathing's written reviews are positive against 83% of Inner Balance's.

BellyBio Interactive Breathing ships an update every 3 months, Inner Balance every 4 months. The most recent releases landed on October 16, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | BellyBio Interactive Breathing | Inner Balance |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (40 ratings)](https://appshunter.io/ios/app/bellybio-interactive-breathing/id353763955/reviews) | **[4.8 (18K ratings)](https://appshunter.io/ios/app/inner-balance/id569278747/reviews)** |
| Number of ratings | 40 | **18K** |
| Positive reviews | 68.0% of reviews | **82.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 201 MB | 21 MB |
| Requires iOS | **7.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | +4 |
| Developer | [RelaxLine](https://appshunter.io/developer/352027981) | [HeartMath Inc.](https://appshunter.io/developer/482739914) |

## What reviewers say

### BellyBio Interactive Breathing

[App page](https://appshunter.io/ios/app/bellybio-interactive-breathing/id353763955)

This app uses your iPhone's sensors to create a biofeedback experience synchronized with deep abdominal breathing. It generates music and light patterns that respond to your breath, making relaxation more engaging and measurable. Designed for those already proficient in belly breathing.

**Highlights:** Interactive musical themes synchronized with breathing, Audio stress-level feedback, Breathing color synchronization, Real-time breathing and stress graphs, Breathing and stress logs, 3D Earth animation of users

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Angels Club | $0.99 | one-time |
| Brownian Dream | $0.99 | one-time |
| Metronomia | $0.99 | one-time |
| Highlands | $0.99 | one-time |

**What reviewers like**

- 👍 Highly recommended by professionals
- 💡 Quantifiable breathing data
- 💡 Innovative breathing tracking
- 💡 Free and valuable
- 👍 Long-time user satisfaction

**What reviewers complain about**

- 🐛 Irregular breathing detection issues
- 🐛 App shuts off frequently
- 🐛 Won't stay open
- 🐛 Fails most attempts
- 🐛 Audio doesn't work

**Reported bugs**

- Keeps saying irregular breathing
- Shuts off repeatedly
- Won't stay open
- Fails almost every effort
- Audio doesn't work

**Requested features**

- Update for newer iOS versions
- More song tracks
- Ability to view past log entries
- More sleek design
- More music/ambiance selections


### Inner Balance

[App page](https://appshunter.io/ios/app/inner-balance/id569278747)

This app synchronizes your heart, mind, and emotions to enhance health, well-being, and performance. It requires a HeartMath sensor to measure heart rhythms and provides real-time feedback and guided meditations to help you manage stress and improve focus.

**Highlights:** Real-time HRV monitoring, Guided meditations, Real-time coaching tips, Coherence score, Progress tracking

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

**In-app purchases:** none

**What reviewers like**

- 💗 Coherence integration
- 💤 Helps with sleep
- 🧘‍♀️ Calms the mind
- 🧠 Improves focus and concentration
- 🧠 Helps with emotional regulation

**What reviewers complain about**

- 🐛 Connectivity issues with sensor
- 🐛 Sensor durability concerns
- 🕰️ Lag in real-time feedback
- 🤖 Finds it challenging to maintain high coherence scores
- 🤖 Feels like trying to please the app rather than focusing on self

**Reported bugs**

- App crashes when stopping a session
- Sensor disconnection issues
- Inconsistent heart rate readings compared to other devices

**Requested features**

- Add audio breath pacing
- Implement guest mode to separate user data
- Develop an Apple Watch version
- Provide more detailed progress tracking and analytics
- Include more breathing technique options


## Frequently asked questions

### Is BellyBio Interactive Breathing free?

BellyBio Interactive Breathing is free to download, with in-app purchases available.

### Is Inner Balance free?

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

### Which has better reviews, BellyBio Interactive Breathing or Inner Balance?

Inner Balance is rated higher. BellyBio Interactive Breathing averages 4.0 out of 5 from 40 ratings, while Inner Balance averages 4.8 from 18K ratings.

### Do BellyBio Interactive Breathing or Inner Balance have ads?

Neither BellyBio Interactive Breathing nor Inner Balance shows ads.

### Which is updated more often, BellyBio Interactive Breathing or Inner Balance?

BellyBio Interactive Breathing ships an update every 3 months, and Inner Balance every 4 months. Most recently, BellyBio Interactive Breathing was updated on October 16, 2026 and Inner Balance on October 21, 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.*