Comparison

Orunning vs STF Kronos

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Real-time performance monitoring
  • Step, distance, and calorie tracking
  • Sleep quality analysis
  • Heart rate monitoring
  • Multi-sport activity support
  • Smartphone notifications
Features
Read full description

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.

About

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.

Highlights
  • Smartwatch synchronization
  • Sports performance monitoring
  • Heart rate tracking
  • Step counting
  • Sedentary period analysis
  • iOS Health App integration
Features
Read full description

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

Orunning4 screens
STF Kronos4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
Orunning versus STF Kronos: the parameters behind the verdict, then further details
ParameterOrunningSTF Kronos
PriceFreeFree
Rating3.0 (122 ratings)4.7 (9 ratings) — better
Positive reviews23.2% of reviews100.0% of reviews — better
Number of ratings122 — better9
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.0 — better13.0
Further details — not scored
Size81 MB228 MB
Age rating4+4+
DeveloperSynergy Technologies LimitedSTUFFACTORY

Customer experience

Orunning

All ratings122 ratings
Positive46.7%
Neutral6.6%
Negative46.7%
Written reviews181 reviews
Positive23.2%
Neutral9.4%
Negative67.4%

STF Kronos

All ratings9 ratings
Positive88.9%
Neutral0.0%
Negative11.1%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

None

Orunning

No in-app purchases

None

STF Kronos

No in-app purchases

Questions

Is Orunning free?
Orunning is free to download, with no in-app purchases.
Is STF Kronos free?
STF Kronos is free to download, with no in-app purchases.
Which has better reviews, Orunning or STF Kronos?
STF Kronos is rated higher. Orunning averages 3.0 out of 5 from 122 ratings, while STF Kronos averages 4.7 from 9 ratings.
Do Orunning or STF Kronos have ads?
Neither Orunning nor STF Kronos shows ads.
Which is updated more often, Orunning or STF Kronos?
Orunning ships an update every 3 weeks, and STF Kronos every 2 months. Most recently, Orunning was updated on September 23, 2026 and STF Kronos on September 20, 2026.

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