# re.flex vs Jen

The clearest difference is in-app purchases: re.flex at none against Jen's 3. re.flex also leads on update cadence (every 3 weeks vs every 6 weeks) and iOS requirement (12.0 vs 16.0). Jen's advantage is ratings volume (484 vs 1). On price, rating, ads and device support there is nothing between them.

Both are free to download. Jen sells 3 in-app purchases, starting at $29.99 per month. re.flex asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for re.flex against 4.9 for Jen. That said, the two scores are not equally well evidenced: Jen has 484 ratings behind it against 1, so its average is the more settled of the two.

re.flex ships an update every 3 weeks, Jen every 6 weeks. The most recent releases landed on October 3, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | re.flex | Jen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/reflex/id1308263322/reviews)** | [4.9 (484 ratings)](https://appshunter.io/ios/app/jen-physical-therapy-workouts/id1601368941/reviews) |
| Number of ratings | 1 | **484** |
| Positive reviews | — | 83.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 231 MB | 124 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Kineto Tech Rehab](https://appshunter.io/developer/1308263321) | [The Mobility Method LLC](https://appshunter.io/developer/1545415549) |

## What reviewers say

### re.flex

[App page](https://appshunter.io/ios/app/reflex/id1308263322)

This app helps you recover from joint pain at home with medically validated exercises. It uses patented sensor technology for accurate movement tracking and provides real-time feedback to improve exercise execution. Detailed reports track your progress and pain levels.

**Highlights:** Medically validated exercise programs, Patented sensor technology for movement tracking, Real-time acoustic and 3D visual feedback, Personalized digital exercise assistant, Detailed training and progress reports, Flexible training scheduling

**In-app purchases:** none


### Jen

[App page](https://appshunter.io/ios/app/jen-physical-therapy-workouts/id1601368941)

This app provides expert-led physical therapy exercise plans designed by doctors to improve mobility, reduce pain, and increase strength. It offers personalized plans based on your progress and educational insights into each movement, empowering you for long-term health.

**Highlights:** Expert-driven exercise plans, Personalized for your progress, Understand and overcome injuries, Targeted healing plans, Community challenges, Preventative care focus

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $29.99 | per month |
| Yearly | $189.99 | per year |
| Wrist & Elbow Plan | $9.99 | one-time |

**What reviewers like**

- 👍 Excellent customer support and personalized responses
- 💪 Effective pain relief and injury recovery results
- 🎯 Targeted programs for specific body parts and conditions
- 📚 Extensive content library with diverse exercises
- 🧘 Expert instruction with clear, detailed cuing

**What reviewers complain about**

- 🐛 Audio/sound issues on videos
- 🐛 Content access problems on iPad and web
- 💳 Billing and refund policy issues
- 🐛 Account deletion not stopping charges
- 🎨 User interface needs improvement

**Reported bugs**

- No sound on videos in app
- Paid programs not accessible on iPad
- Content access failures on app and web
- Account deletion not terminating subscriptions
- Customer service unresponsiveness after initial contact

**Requested features**

- Chromecast support for video casting
- Improved UI/UX design
- Better cross-device compatibility


## Frequently asked questions

### Is re.flex free?

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

### Is Jen free?

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

### Which has better reviews, re.flex or Jen?

re.flex is rated higher. re.flex averages 5.0 out of 5 from 1 ratings, while Jen averages 4.9 from 484 ratings.

### Do re.flex or Jen have ads?

Neither re.flex nor Jen shows ads.

### Which is updated more often, re.flex or Jen?

re.flex ships an update every 3 weeks, and Jen every 6 weeks. Most recently, re.flex was updated on October 3, 2026 and Jen on October 15, 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.*