# Binaural Beats vs JustStretch | Flex & Mobility

The clearest difference is review sentiment: JustStretch | Flex & Mobility at 64% against Binaural Beats's 0%. JustStretch | Flex & Mobility also leads on price (Free vs $12.99) and rating (4.7 vs 1.0). Binaural Beats's advantage is in-app purchases (none vs 18) and ads (none vs shown). On device support there is nothing between them.

JustStretch | Flex & Mobility is free to download; Binaural Beats costs $12.99 up front. JustStretch | Flex & Mobility sells 17 in-app purchases, starting at $7.49 per month. Binaural Beats asks for nothing beyond the download.

JustStretch | Flex & Mobility holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: JustStretch | Flex & Mobility has 2.4K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Binaural Beats's written reviews are positive against 64% of JustStretch | Flex & Mobility's.

Binaural Beats ships an update every 10 months, JustStretch | Flex & Mobility every 3 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Binaural Beats | JustStretch | Flex & Mobility |
| --- | --- | --- |
| Price | $12.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/binaural-beats/id6736768693/reviews) | **[4.7 (2.4K ratings)](https://appshunter.io/ios/app/juststretch-flex-and-mobility/id6737028992/reviews)** |
| Number of ratings | 1 | **2.4K** |
| Positive reviews | 0.0% of reviews | **64.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 11 MB | 104 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Wicher B Donga](https://appshunter.io/developer/1758903333) | [TechPioneers Limited](https://appshunter.io/developer/1760674678) |

## What reviewers say

### Binaural Beats

[App page](https://appshunter.io/ios/app/binaural-beats/id6736768693)

This app uses binaural beats to help you achieve specific mental states like focus, sleep, or meditation. Easily set frequencies, play your own music alongside, and save your preferred settings for a seamless experience.

**Highlights:** Achieve desired mental states, Set base and binaural frequencies, Synchronize with personal music, On-screen oscilloscope visualization, Information on frequency effects, Save custom settings

**Features:** Vision Pro support

**In-app purchases:** none


### JustStretch | Flex & Mobility

[App page](https://appshunter.io/ios/app/juststretch-flex-and-mobility/id6737028992)

This app helps you build a daily stretching habit to improve flexibility, relieve pain, and boost overall well-being. It offers guided routines, custom workout creation, and multimedia instructions for all fitness levels.

**Highlights:** Daily stretching routines, Custom workout creation, Audio, image, and video guidance, Live instructor experience, Pain relief and injury prevention, Improved posture and sleep

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

**In-app purchases (17)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Premium | $7.49 | per month |
| 1 Month Premium | $9.99 | per month |
| 1 Month Premium | $19.99 | per month |
| 3 Months Premium | $19.99 | per 3 months |
| 3 Months Premium | $29.99 | per 3 months |
| 12 Months Premium | $29.99 | per year |
| LUCKY DRAW PRIZE | $29.99 | per year |
| 12 Months Premium | $30.99 | per year |
| 12 Months Premium | $35.99 | per year |
| 12 Months Premium | $37.99 | per year |
| One Year Membership | $39.99 | per year |
| 12 Months Premium | $47.99 | per year |
| 7-Day Free Trial | $47.99 | per year |
| one year membership | $49.99 | per year |
| 12 Months Premium | $89.99 | per year |
| Stretch Guide Ebook Bundle | $9.99 | one-time |
| Stretch Guide Ebook Bundle | $12.99 | one-time |

**What reviewers like**

- 🤸‍♀️ Effective stretching routines
- 💪 Variety of exercises
- 🕰️ Guided sessions
- 🌟 Helpful for pain relief

**What reviewers complain about**

- 💰 Requires paid subscription
- 🚫 No free trial
- 🐛 App crashes and bugs
- 🤔 Inconsistent program design

**Reported bugs**

- App not working after latest update
- Inability to open app on certain devices

**Requested features**

- Preparation time before transitions
- Ability to use app on multiple devices


## Frequently asked questions

### Is Binaural Beats free?

Binaural Beats costs $12.99, with no in-app purchases.

### Is JustStretch | Flex & Mobility free?

JustStretch | Flex & Mobility is free to download, with in-app purchases available.

### Which has better reviews, Binaural Beats or JustStretch | Flex & Mobility?

JustStretch | Flex & Mobility is rated higher. Binaural Beats averages 1.0 out of 5 from 1 ratings, while JustStretch | Flex & Mobility averages 4.7 from 2.4K ratings.

### Do Binaural Beats or JustStretch | Flex & Mobility have ads?

JustStretch | Flex & Mobility shows ads; Binaural Beats does not.

### Which is updated more often, Binaural Beats or JustStretch | Flex & Mobility?

Binaural Beats ships an update every 10 months, and JustStretch | Flex & Mobility every 3 weeks. Most recently, Binaural Beats was updated on October 24, 2026 and JustStretch | Flex & Mobility on October 28, 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.*