STRETCHIT vs RED Effect
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
STRETCHIT
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.
- 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
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FLEXIBILITY TRAINING & CONDITIONING - Get your front, middle, and standing splits - Improve your backbends - Gain strength to support your increased ROM - Accelerate your flexibility progress - Break through a flexibility plateau - Finally make stretching a habit - Join a flexibility challenge to reach your goals faster MOBILITY TRAINING - Improve athletic performance - Increase strength (at the end range of your motion) - Reach your full movement potential - Eliminate muscle stiffness - Fix muscular imbalances - Improve your overall agility - Decrease risk of injury - Function normally and pain-free through your daily activities FEEL-GOOD STRETCH SESSIONS - Recover sooner - Sleep better - Eliminate lower back pain, neck pain, and hip pain - Increase energy levels - Reduce stress, recharge, rewind - Improve posture PERSONALIZED TRAINING RECOMMENDATIONS STRETCHIT will recommend a class or a personal program based on your goals and training history. We'll ask your feedback after each class and guide you to the next one to help you safely push your flexibility thresholds. FLEXIBILITY & MOBILITY PROGRAMS Join one of the curated training programs to finally make stretching a habit and reach your full movement potential. COMPETITIONS A new competition feature that allows users to compete by taking classes, earning points, and climbing the leaderboard. ALL SKILL LEVELS Our users range from those who never stretched before to cheerleaders, dancers, gymnasts, martial artists, surfers, CrossFit lovers, bodybuilders, trick riders, cyclists, runners, aerialists, personal trainers, golfers, moms, athletes, desk sitters, and yogis. All agree: if you want to get more flexible, STRETCHIT works. 100+ HOURS OF VIDEO INSTRUCTION New classes are released weekly. The classes are 5-45 min long. FULLY LOCALIZED AND TRANSLATED TO SPANISH, PORTUGUESE, ITALIAN, GERMAN, FRENCH. The app and all its content (including video classes) are available in English, Spanish, Portuguese, Italian, German, and French. Terms of Service and Privacy Policy: www.stretchitapp.com/terms-of-service CONTACT US Email: support@stretchitapp.com Training tips, daily inspiration, and weekly live streams: Instagram - @stretchitapp, @stretchitapp-espanol Facebook - STRETCHIT YouTube - @stretchitapp, @stretchitapp-espanol Hashtag #stretchitapp. We'd be happy to see your progress and feature you.
RED Effect
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.
- Book fitness classes
- Infrared benefits
- High intensity interval training
- Select location, date, and time
- Daily class availability
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At Red Effect Infrared Fitness we're here for you every day of the week to provide infrared benefits during your high intensity interval training. With the endless benefits of Infrared Fitness so easy available through our booking app, what are you waiting for? Select your location, date and time on the go with ease any time of the day.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | STRETCHIT | RED Effect |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (15K ratings) — better | 1.8 (50 ratings) |
| Positive reviews | 60.9% of reviews — better | 7.4% of reviews |
| Number of ratings | 15K — better | 50 |
| Update frequency | Every 8 days — better | Every 2 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 16.4 | 13.0 — better |
| Further details — not scored | ||
| Size | 141 MB | 68 MB |
| Age rating | 12+ | 12+ |
| Developer | StretchIt, Inc. | ZIFIT LA JOLLA, INC. |
Customer experience
STRETCHIT
RED Effect
Bugs and requests
STRETCHIT
Reported bugs
3 issues- Video playback issues (freezing, crashing)
- Inaccurate class difficulty labeling
- Syncing issues with Apple Health
Requested features
5 requests- 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
Not enough reviews yet to summarise bugs or requests.
In-app purchases
STRETCHIT
- Full Body Stretch$4.991 Month
- Full Body Stretch (trial)7 Days trial$4.991 Month
- Get Your Splits$4.991 Month
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- Get Your Splits (trial)7 Days trial$4.991 Month
- Bendy Back$4.991 Month
- Bendy Back (trial)7 Days trial$4.991 Month
- Middle Split Stretch$4.991 Month
- Middle Split Stretch (trial)7 Days trial$4.991 Month
- Stretching flexibility Monthly7 Days trial$24.991 Month
- Yearly7 Days trial$144.991 Year
- Flexibility. Yearly7 Days trial$179.991 Year
RED Effect
No in-app purchases









