Orunning vs STF Kronos
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Orunning
This app pairs with a sport smartwatch to provide real-time performance monitoring, including steps, distance, calories, sleep quality, and heart rate. It supports multiple activity types and delivers smartphone notifications directly to your wrist.
- Real-time performance monitoring
- Step, distance, and calorie tracking
- Sleep quality analysis
- Heart rate monitoring
- Multi-sport activity support
- Smartphone notifications
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Orunning App together with our sport smartwatch provides you with the best set of information straight from your wrist. Without compromising your style, our sport smartwatch is not only a traditional smartwatch but a powerful sport computer to monitor your performance in real time, and also let you receive text message and notifications from your smartphone. A built-in pedometer tracks your steps, distance, and calories burned. A built-in sleep monitor tracks your quality of sleep. A built-in heart rate sensor tracks your heart rate. Integrates with iOS Health App. Powered with multi-sport functionality, our sport smartwatch lets you choose from a series of activity types such as running, biking, walking, hiking, trail run etc… In addition to its training functions, our sport smartwatch will also notify you when receiving incoming calls, text messages or social networks notifications.
STF Kronos
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.
- Smartwatch synchronization
- Sports performance monitoring
- Heart rate tracking
- Step counting
- Sedentary period analysis
- iOS Health App integration
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Descarga, sincroniza y utiliza la aplicación STF Kronos para sacar el máximo provecho a las funciones de tu smartwatch. Ideal para monitorear tu desempeño en diferentes deportes como excursionismo, ciclismo, correr y caminata en interiores y exteriores. Mide y analiza las métricas de tu frecuencia cardiaca, pasos y periodos de sedentarismo. Consulta otras funciones de acuerdo a tu modelo de smartwatch. Integrates with iOS Health App.
Screenshots
Verdict
The clearest difference is review sentiment: STF Kronos at 100% against Orunning's 23%. STF Kronos also leads on rating (4.7 vs 3.0). Orunning's advantage is update cadence (every 3 weeks vs every 2 months) and ratings volume (122 vs 9). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
STF Kronos holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: Orunning has 122 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 23% of Orunning's written reviews are positive against 100% of STF Kronos's.
Orunning ships an update every 3 weeks, STF Kronos every 2 months. The most recent releases landed on September 23, 2026 and September 20, 2026 respectively.
| Parameter | Orunning | STF Kronos |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (122 ratings) | 4.7 (9 ratings) — better |
| Positive reviews | 23.2% of reviews | 100.0% of reviews — better |
| Number of ratings | 122 — better | 9 |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 81 MB | 228 MB |
| Age rating | 4+ | 4+ |
| Developer | Synergy Technologies Limited | STUFFACTORY |
Customer experience
Orunning
STF Kronos
Bugs and requests
Orunning
Reported bugs
3 issues- Frequent app crashes
- Syncing problems between watch and app
- Inconsistent step/activity tracking
Requested features
3 requests- Custom watch faces
- More detailed health/fitness tracking
- Improved notification support
STF Kronos
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Orunning
No in-app purchases
STF Kronos
No in-app purchases









