# Flex Fitness vs iThunders

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.

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.

## The numbers

| Metric | Flex Fitness | iThunders |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/flex-fitness/id1670128809/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/ithunders/id6596736968/reviews)** |
| Number of ratings | 1 | **8** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free | Free |
| Size | 50 MB | 34 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AJWAN INTERNATIONAL CO. WLL](https://appshunter.io/developer/1018579641) | [Amigoways Technologies Private Limited](https://appshunter.io/developer/1712985486) |

## What reviewers say

### Flex Fitness

[App page](https://appshunter.io/ios/app/flex-fitness/id1670128809)

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.

**Highlights:** Promotes active lifestyle, High-quality fitness experience, Affordable cost, Healthier world focus, Empowering community

**Features:** macOS Compatibility

**In-app purchases:** none


### iThunders

[App page](https://appshunter.io/ios/app/ithunders/id6596736968)

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.

**Highlights:** Expert training programs, Top-notch facilities, Motivating atmosphere, Fitness excellence for men and women, Gym membership access

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Flex Fitness free?

Flex Fitness is free to download, with no in-app purchases.

### Is iThunders free?

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

### Which has better reviews, Flex Fitness or iThunders?

iThunders is rated higher. Flex Fitness averages 1.0 out of 5 from 1 ratings, while iThunders averages 5.0 from 8 ratings.

### Do Flex Fitness or iThunders have ads?

Neither Flex Fitness nor iThunders shows ads.

### Which is updated more often, Flex Fitness or iThunders?

Flex Fitness ships an update every 2 months, and iThunders every 2 days. Most recently, Flex Fitness was updated on October 2, 2026 and iThunders on October 8, 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.*