# STRETCHIT vs RED Effect

The clearest difference is review sentiment: STRETCHIT at 61% against RED Effect's 7%. STRETCHIT also leads on rating (4.8 vs 1.8) and ads (none vs shown). RED Effect's advantage is in-app purchases (none vs 11) and iOS requirement (13.0 vs 16.4). On price and device support there is nothing between them.

Both are free to download. STRETCHIT sells 11 in-app purchases, starting at $4.99 per month. RED Effect asks for nothing beyond the download.

STRETCHIT holds the better App Store score, 4.8 against 1.8. That said, the two scores are not equally well evidenced: STRETCHIT has 15K ratings behind it against 50, so its average is the more settled of the two. Written reviews point the same way: 61% of STRETCHIT's written reviews are positive against 7% of RED Effect's.

STRETCHIT ships an update every 8 days, RED Effect every 2 months. Both last shipped on October 16, 2026.

## The numbers

| Metric | STRETCHIT | RED Effect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (15K ratings)](https://appshunter.io/ios/app/stretchit-stretch-and-splits/id1124278517/reviews)** | [1.8 (50 ratings)](https://appshunter.io/ios/app/red-effect/id1206779889/reviews) |
| Number of ratings | **15K** | 50 |
| Positive reviews | **60.9% of reviews** | 7.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 8 days** | Every 2 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 141 MB | 68 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [StretchIt, Inc.](https://appshunter.io/developer/1124278516) | [ZIFIT LA JOLLA, INC.](https://appshunter.io/developer/1468958805) |

## What reviewers say

### STRETCHIT

[App page](https://appshunter.io/ios/app/stretchit-stretch-and-splits/id1124278517)

This app offers guided flexibility and mobility training to improve athletic performance, reduce pain, and increase range of motion. It provides personalized recommendations, curated programs, and challenges to help users build a consistent stretching habit and achieve their fitness goals.

**Highlights:** Flexibility training for splits and backbends, Mobility exercises for athletic performance, Personalized training recommendations, Curated flexibility and mobility programs, Flexibility challenges, Competition feature with leaderboards, Extensive video instruction library

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Body Stretch | $4.99 | per month |
| Full Body Stretch (trial) | $4.99 | per month |
| Get Your Splits | $4.99 | per month |
| Get Your Splits (trial) | $4.99 | per month |
| Bendy Back | $4.99 | per month |
| Bendy Back (trial) | $4.99 | per month |
| Middle Split Stretch | $4.99 | per month |
| Middle Split Stretch (trial) | $4.99 | per month |
| Stretching flexibility Monthly | $24.99 | per month |
| Yearly | $144.99 | per year |
| Flexibility. Yearly | $179.99 | per year |

**What reviewers like**

- 💪 Effective for improving flexibility
- 🎯 Helps achieve specific goals (splits, backbends, etc.)
- 🧘‍♀️ Calming and relaxing experience
- 🕰️ Variety of class lengths to fit schedules
- 🤸‍♀️ Challenging yet accessible for beginners

**What reviewers complain about**

- 💰 Expensive subscription cost
- 🤔 Some classes too advanced for beginner level
- 🕹️ Difficult video controls (pausing, scrubbing)
- 🔇 No volume control for instructor audio
- 🔄 Inconsistent class lengths within programs

**Reported bugs**

- Video playback issues (freezing, crashing)
- Inaccurate class difficulty labeling
- Syncing issues with Apple Health

**Requested features**

- Calendar view to track progress
- Ability to replace scheduled classes
- More beginner-friendly and modified exercises
- Handstand and other advanced skill training
- Personalized recommendations based on feedback


### 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


## Frequently asked questions

### Is STRETCHIT free?

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

### Is RED Effect free?

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

### Which has better reviews, STRETCHIT or RED Effect?

STRETCHIT is rated higher. STRETCHIT averages 4.8 out of 5 from 15K ratings, while RED Effect averages 1.8 from 50 ratings.

### Do STRETCHIT or RED Effect have ads?

RED Effect shows ads; STRETCHIT does not.

### Which is updated more often, STRETCHIT or RED Effect?

STRETCHIT ships an update every 8 days, and RED Effect every 2 months. Most recently, STRETCHIT was updated on October 16, 2026 and RED Effect on October 16, 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.*