# STS(스마트 트레이너 시스템) vs FMT

The clearest difference is in-app purchases: STS(스마트 트레이너 시스템) at none against FMT's 1. FMT's advantage is iOS requirement (13.0 vs 15.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. FMT sells 1 in-app purchase, starting at $29.99 per month. STS(스마트 트레이너 시스템) asks for nothing beyond the download.

STS(스마트 트레이너 시스템) ships an update monthly, FMT every 2 weeks. Both last shipped on November 7, 2026.

## The numbers

| Metric | STS(스마트 트레이너 시스템) | FMT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 11 MB | 32 MB |
| Requires iOS | 15.4 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Byunggon Kim](https://appshunter.io/developer/1631341518) | [FITT corp.](https://appshunter.io/developer/1331805922) |

## What reviewers say

### STS(스마트 트레이너 시스템)

[App page](https://appshunter.io/ios/app/sts/id1631341516)

**Features:** macOS Compatibility

**In-app purchases:** none


### FMT

[App page](https://appshunter.io/ios/app/fmt-functional-movement-test/id6443843259)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited monthly payment plan | $29.99 | per month |


## Frequently asked questions

### Is STS(스마트 트레이너 시스템) free?

STS(스마트 트레이너 시스템) is free to download, with no in-app purchases.

### Is FMT free?

FMT is free to download, with in-app purchases available.

### Do STS(스마트 트레이너 시스템) or FMT have ads?

Neither STS(스마트 트레이너 시스템) nor FMT shows ads.

### Which is updated more often, STS(스마트 트레이너 시스템) or FMT?

STS(스마트 트레이너 시스템) ships an update monthly, and FMT every 2 weeks. Most recently, STS(스마트 트레이너 시스템) was updated on November 7, 2026 and FMT on November 7, 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.*