# RED Effect vs Evolt Active

The clearest difference is in-app purchases: RED Effect at none against Evolt Active's 3. RED Effect also leads on iOS requirement (13.0 vs 15.1). Evolt Active's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. Evolt Active sells 2 in-app purchases, starting at $6.99 per month. RED Effect asks for nothing beyond the download.

Evolt Active holds the better App Store score, 2.0 against 1.8. Both are backed by a comparable volume of ratings — 50 and 107 respectively. Written reviews point the same way: 7% of RED Effect's written reviews are positive against 19% of Evolt Active's.

RED Effect ships an update every 2 months, Evolt Active every 3 weeks. The most recent releases landed on October 8, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | RED Effect | Evolt Active |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (50 ratings)](https://appshunter.io/ios/app/red-effect/id1206779889/reviews) | **[2.0 (107 ratings)](https://appshunter.io/ios/app/evolt-active/id1464632516/reviews)** |
| Number of ratings | 50 | **107** |
| Positive reviews | 7.4% of reviews | **19.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 68 MB | 112 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [ZIFIT LA JOLLA, INC.](https://appshunter.io/developer/1468958805) | [Evolt Active](https://appshunter.io/developer/1134659484) |

## What reviewers say

### RED Effect

[App page](https://appshunter.io/ios/app/red-effect/id1206779889)

This app allows users to easily book infrared fitness classes. It provides access to the benefits of infrared training through a convenient booking system, enabling users to select classes by location, date, and time.

**Highlights:** Book fitness classes, Infrared benefits, High intensity interval training, Select location, date, and time, Daily class availability

**Features:** macOS Compatibility

**In-app purchases:** none


### Evolt Active

[App page](https://appshunter.io/ios/app/evolt-active/id1464632516)

Track your body composition progress with immediate insights and instant feedback. This app stores unlimited scans, profiles progress in graphs, and offers a calorie/macronutrient calculator. It also includes lifestyle and supplement questionnaires to guide your fitness journey.

**Highlights:** Body composition tracking, Instant feedback on progress, Unlimited scan storage, Progress graphs and charts, Calorie and macronutrient calculator, Lifestyle and supplement questionnaires

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited 3D Body Scans | $6.99 | per month |
| One Off Scan | $9.99 | one-time |

**What reviewers like**

- 🚀 Detailed body scan results
- 📊 Comprehensive tracking and progress monitoring
- 🔍 Informative health and fitness insights
- 💪 Helpful for achieving fitness goals

**What reviewers complain about**

- 🐛 Frequent app crashes and login issues
- 🔍 Inaccurate body composition measurements
- 🤔 Confusing user interface and navigation
- 🔒 Poor account management and data recovery

**Reported bugs**

- Inability to log in or reset password
- Scan data not syncing or disappearing
- App freezing or closing unexpectedly

**Requested features**

- Integration with Apple Health
- More customization options
- Improved customer support and responsiveness


## Frequently asked questions

### Is RED Effect free?

RED Effect is free to download, with no in-app purchases.

### Is Evolt Active free?

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

### Which has better reviews, RED Effect or Evolt Active?

Evolt Active is rated higher. RED Effect averages 1.8 out of 5 from 50 ratings, while Evolt Active averages 2.0 from 107 ratings.

### Do RED Effect or Evolt Active have ads?

RED Effect shows ads; Evolt Active does not.

### Which is updated more often, RED Effect or Evolt Active?

RED Effect ships an update every 2 months, and Evolt Active every 3 weeks. Most recently, RED Effect was updated on October 8, 2026 and Evolt Active on October 12, 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.*