Calypso Smartime vs KSIX Ring
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calypso Smartime
This app monitors vital health metrics like heart rate and blood pressure, and tracks sleep patterns. It also offers guided breathing exercises and supports multiple sports modes for activity tracking and progress monitoring.
- Heart rate and blood pressure monitoring
- Sleep tracking
- Guided breathing exercises
- Multi-sport modes (basketball, football, cycling, etc.)
- Activity data registration and progress monitoring
- Integration with Health app
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Calypso SmarTime is integrated with tools for health check, such as blood pressure and heart rate monitor, as well as other functions oriented towards the user’s well-being, like sleep monitoring and guided-breathing exercises. Sport lovers will find a great ally in Calypso SmarTime: its multi-sports mode includes basketball, football, climbing, cycling, hiking and running, both indoors for gym use and outdoors. On top of this, the user will be able to register all their activity and monitor their progress by connecting with the mobile app. Calypso SmarTime integrates and shares activity data with the Health app. This app connects your Calypso SmarTime fitness band.
KSIX Ring
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Connect with your wellness KSIX Ring is the ideal app to get the most out of your KSIX Saturn smart ring. Monitor your health, sleep quality and measure your sports performance. Remember to enable the Apple Health feature from the App Store for health monitoring and the Strava app for full synchronisation of your workouts. Synchronise all the data captured by your KSIX Saturn ring so you have complete control on your smartphone: - Steps: Record your daily activity and view the number of steps clearly and accurately. - Sleep: Synchronise and analyse the phases and quality of your rest. - Heart rate: Measure and record your heart rate at rest and during exercise. - Exercise: Select your sport mode, save your workout records and evaluate your progress. - Apple Health:Synchronize steps, calories, exercise distance, heart rate, sleep to Apple Health - And much more! KSIX Ring converts your daily data into useful information to take care of your health and improve your performance.
Screenshots
Verdict
The clearest difference is iOS requirement: Calypso Smartime at 10.0 against KSIX Ring's 12.0. On price, update cadence, ads and in-app purchases 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.
Calypso Smartime ships an update every 6 months, KSIX Ring every 7 months. The most recent releases landed on August 19, 2026 and September 19, 2026 respectively.
| Parameter | Calypso Smartime | KSIX Ring |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (2 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 6 months — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 10.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 198 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | Festina Lotus SA | KSIX |
In-app purchases
Calypso Smartime
No in-app purchases
KSIX Ring
No in-app purchases









