Flex Fitness vs iThunders
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flex Fitness
This app promotes a lasting, active lifestyle by offering a high-quality fitness experience at an affordable cost. It aims to enhance people's lives and create a healthier world for everyone.
- Promotes active lifestyle
- High-quality fitness experience
- Affordable cost
- Healthier world focus
- Empowering community
Read full descriptionHide full description
Since 1993, we're here to provide a unique environment. Where a lasting, active lifestyle can be built. Flex Fitness is not a brand name, but a way of life that can be live by anyone. In the end, it’s all about you....be powerful and join US Enhance people’s lives and create a healthier world We believe in providing a high quality fitness experience with affordable cost.
iThunders
This app helps individuals achieve fitness goals with expert training and top-notch facilities. It provides a motivating environment for both men and women to pursue fitness excellence.
- Expert training programs
- Top-notch facilities
- Motivating atmosphere
- Fitness excellence for men and women
- Gym membership access
Read full descriptionHide full description
Thunders Gym Kuwait: Empowering men and women to achieve fitness excellence. Join us for expert training, top-notch facilities, and a motivating atmosphere!
Screenshots
Verdict
The clearest difference is review sentiment: iThunders at 100% against Flex Fitness's 0%. iThunders also leads on rating (5.0 vs 1.0) and update cadence (every 2 days vs every 2 months). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
iThunders holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: iThunders has 8 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Flex Fitness's written reviews are positive against 100% of iThunders's.
Flex Fitness ships an update every 2 months, iThunders every 2 days. The most recent releases landed on October 2, 2026 and October 8, 2026 respectively.
| Parameter | Flex Fitness | iThunders |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 5.0 (8 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 | 8 — better |
| Update frequency | Every 2 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 18.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 50 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | AJWAN INTERNATIONAL CO. WLL | Amigoways Technologies Private Limited |
Customer experience
Flex Fitness
iThunders
In-app purchases
Flex Fitness
No in-app purchases
iThunders
No in-app purchases
