# JustStretch | Flex & Mobility vs Prove It

The clearest difference is review sentiment: JustStretch | Flex & Mobility at 64% against Prove It's 9%. JustStretch | Flex & Mobility also leads on rating (4.7 vs 4.4) and iOS requirement (13.0 vs 15.1). Prove It's advantage is update cadence (every 6 days vs every 3 weeks) and ratings volume (16K vs 2.4K). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. JustStretch | Flex & Mobility sells 17 in-app purchases, starting at $7.49 per month and Prove It sells 25 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

JustStretch | Flex & Mobility holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: Prove It has 16K ratings behind it against 2.4K, so its average is the more settled of the two. Written reviews point the same way: 64% of JustStretch | Flex & Mobility's written reviews are positive against 9% of Prove It's.

JustStretch | Flex & Mobility ships an update every 3 weeks, Prove It every 6 days. Both last shipped on October 30, 2026.

## The numbers

| Metric | JustStretch | Flex & Mobility | Prove It |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (2.4K ratings)](https://appshunter.io/ios/app/juststretch-flex-and-mobility/id6737028992/reviews)** | [4.4 (16K ratings)](https://appshunter.io/ios/app/prove-it-supplement-scanner/id6740288836/reviews) |
| Number of ratings | 2.4K | **16K** |
| Positive reviews | **64.1% of reviews** | 9.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 104 MB | 132 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [TechPioneers Limited](https://appshunter.io/developer/1760674678) | [Control. Alt. Delete. LLC](https://appshunter.io/developer/1762687184) |

## What reviewers say

### 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


### Prove It

[App page](https://appshunter.io/ios/app/prove-it-supplement-scanner/id6740288836)

Empower your supplement choices with science-backed reviews. Instantly scan barcodes or search our database to understand ingredient efficacy, safety, and research quality. Make informed decisions about your health investments.

**Highlights:** Evidence-based analysis, Barcode scanning, Extensive supplement database, Ingredient efficacy and safety, Research quality assessment, Informed decision making

**Features:** Apple Wallet, Vision Pro support

**In-app purchases (25)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription with Trial | $4.99 | per 7 days |
| Weekly Subscription | $4.99 | per 7 days |
| weekly | $7.99 | per 7 days |
| monthly subscription | $9.99 | per month |
| Yearly Subscription | $14.99 | per year |
| yearly subscription | $19.99 | per year |
| Pro Subscription | $25.99 | per 3 months |
| Food and Skincare Health Plan | $29.99 | per year |
| Prove It Quarterly | $29.99 | per 3 months |
| Yearly Subscription | $29.99 | per year |
| Pro Subscription | $32.49 | per 3 months |
| Yearly Subscription | $34.99 | per year |
| Yearly Subscription | $35.90 | per year |
| Prove It Quarterly | $39.99 | per 3 months |
| Yearly Subscription | $39.99 | per year |
| Yearly Subscription | $47.90 | per year |
| Yearly Subscription with Trial | $49.99 | per year |
| Yearly 49.99 | $49.99 | per year |
| Prove It Subscription | $59.99 | per 3 months |
| yearly subscription | $59.99 | per year |
| yearly subscription | $69.99 | per year |
| Yearly Subscription | $71.90 | per year |
| Yearly Subscription | $83.90 | per year |
| Yearly Subscription | $95.90 | per year |
| yearly subscription | $99.99 | per year |

**What reviewers like**

- 🚀 Highly informative
- 👍 Useful information
- 👍 Simple and straightforward
- 👍 Convenient and helpful
- 👍 Personalized recommendations

**What reviewers complain about**

- 🐛 Incomplete database
- 🐛 Scanning issues

**Reported bugs**

- Scanning errors
- Incompatibility with some supplements

**Requested features**

- Ability to manually add supplements
- Reduce subscription cost


## Frequently asked questions

### Is JustStretch | Flex & Mobility free?

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

### Is Prove It free?

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

### Which has better reviews, JustStretch | Flex & Mobility or Prove It?

JustStretch | Flex & Mobility is rated higher. JustStretch | Flex & Mobility averages 4.7 out of 5 from 2.4K ratings, while Prove It averages 4.4 from 16K ratings.

### Do JustStretch | Flex & Mobility or Prove It have ads?

Both JustStretch | Flex & Mobility and Prove It show ads.

### Which is updated more often, JustStretch | Flex & Mobility or Prove It?

JustStretch | Flex & Mobility ships an update every 3 weeks, and Prove It every 6 days. Most recently, JustStretch | Flex & Mobility was updated on October 30, 2026 and Prove It on October 30, 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.*