# STF Kronos vs MOBO SMART

STF Kronos and MOBO SMART are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

STF Kronos ships an update every 2 months, MOBO SMART every 4 months. The most recent releases landed on September 20, 2026 and February 26, 2026 respectively.

## The numbers

| Metric | STF Kronos | MOBO SMART |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (9 ratings)](https://appshunter.io/ios/app/stf-kronos/id1476804951/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | — |
| Size | 228 MB | 110 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [STUFFACTORY](https://appshunter.io/developer/1476804950) | [Shixian Wu](https://appshunter.io/developer/1460645620) |

## What reviewers say

### STF Kronos

[App page](https://appshunter.io/ios/app/stf-kronos/id1476804951)

This app syncs with your smartwatch to monitor your fitness performance across various sports. Track heart rate, steps, and sedentary periods to analyze your health metrics. It offers additional features based on your specific smartwatch model.

**Highlights:** Smartwatch synchronization, Sports performance monitoring, Heart rate tracking, Step counting, Sedentary period analysis, iOS Health App integration

**Features:** Vision Pro support

**In-app purchases:** none


### MOBO SMART

[App page](https://appshunter.io/ios/app/mobo-smart/id6502823076)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is STF Kronos free?

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

### Is MOBO SMART free?

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

### Do STF Kronos or MOBO SMART have ads?

Neither STF Kronos nor MOBO SMART shows ads.

### Which is updated more often, STF Kronos or MOBO SMART?

STF Kronos ships an update every 2 months, and MOBO SMART every 4 months. Most recently, STF Kronos was updated on September 20, 2026 and MOBO SMART on February 26, 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.*