# Flex Studio vs DR HHH

The clearest difference is update cadence: DR HHH at weekly against Flex Studio's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Flex Studio ships an update every 3 weeks, DR HHH weekly. The most recent releases landed on October 11, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Flex Studio | DR HHH |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/flex-studio/id1054008985/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Ad-supported | — |
| Size | 190 MB | 93 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [HTS Holdings Ltd](https://appshunter.io/developer/1579270383) | [HITRONS INTELLIGENCE LIMITED](https://appshunter.io/developer/1846527366) |

## What reviewers say

### Flex Studio

[App page](https://appshunter.io/ios/app/flex-studio/id1054008985)

Easily plan and schedule your fitness classes directly from your device. View class schedules, sign up for sessions, and access studio location details. Optimize your time and enjoy the convenience of managing your fitness activities on the go.

**Highlights:** View class schedules, Sign up for classes, Access studio location, Schedule planning, Device-based convenience

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

**In-app purchases:** none


### DR HHH

[App page](https://appshunter.io/ios/app/dr-hhh/id6787001379)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flex Studio free?

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

### Is DR HHH free?

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

### Do Flex Studio or DR HHH have ads?

Neither Flex Studio nor DR HHH shows ads.

### Which is updated more often, Flex Studio or DR HHH?

Flex Studio ships an update every 3 weeks, and DR HHH weekly. Most recently, Flex Studio was updated on October 11, 2026 and DR HHH on October 14, 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.*