# Flex Studioz vs Personal Trainer CRM

The clearest difference is in-app purchases: Flex Studioz at none against Personal Trainer CRM's 2. Personal Trainer CRM's advantage is update cadence (weekly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Personal Trainer CRM sells 2 in-app purchases, starting at $19.99 per month. Flex Studioz asks for nothing beyond the download.

Flex Studioz ships an update every 2 months, Personal Trainer CRM weekly. Both last shipped on October 28, 2026.

## The numbers

| Metric | Flex Studioz | Personal Trainer CRM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 53 MB | 60 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [FLEX STUDIO FITNESS CLUB L.L.C](https://appshunter.io/developer/1867140048) | [AHMET DUMAN](https://appshunter.io/developer/1886097677) |

## What reviewers say

### Flex Studioz

[App page](https://appshunter.io/ios/app/flex-studioz/id6757464862)

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

**In-app purchases:** none


### Personal Trainer CRM

[App page](https://appshunter.io/ios/app/personal-trainer-crm-rosteros/id6783041515)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RosterOS Pro Monthly | $19.99 | per month |
| RosterOS Pro Annual | $149.99 | per year |


## Frequently asked questions

### Is Flex Studioz free?

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

### Is Personal Trainer CRM free?

Personal Trainer CRM is free to download, with in-app purchases available.

### Do Flex Studioz or Personal Trainer CRM have ads?

Neither Flex Studioz nor Personal Trainer CRM shows ads.

### Which is updated more often, Flex Studioz or Personal Trainer CRM?

Flex Studioz ships an update every 2 months, and Personal Trainer CRM weekly. Most recently, Flex Studioz was updated on October 28, 2026 and Personal Trainer CRM on October 28, 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.*