# Smart personal training vs FLXN

The clearest difference is update cadence: Smart personal training at every 4 months against FLXN's every 22 months. FLXN's advantage is iOS requirement (13.0 vs 15.0). 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.

Smart personal training ships an update every 4 months, FLXN every 22 months. The most recent releases landed on August 31, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Smart personal training | FLXN |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 22 months |
| Size | 213 MB | 46 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Smart personal training](https://appshunter.io/developer/1464881058) | [Sandy Provacia](https://appshunter.io/developer/1579899119) |

## What reviewers say

### Smart personal training

[App page](https://appshunter.io/ios/app/smart-personal-training/id1464881059)

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

**In-app purchases:** none


### FLXN

[App page](https://appshunter.io/ios/app/flxn/id1579899117)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Smart personal training free?

Smart personal training is free to download, with no in-app purchases.

### Is FLXN free?

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

### Do Smart personal training or FLXN have ads?

Neither Smart personal training nor FLXN shows ads.

### Which is updated more often, Smart personal training or FLXN?

Smart personal training ships an update every 4 months, and FLXN every 22 months. Most recently, Smart personal training was updated on August 31, 2026 and FLXN on September 19, 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.*