More Free Apps for iPhone and Apple Watch
Tidal Mobility is one of a family of small, private apps from the same maker, and every one of them is free.
Say It Twenty Times, the Way Coué Taught
Émile Coué asked people to say one line twenty times, morning and night, counting on a knotted string. Twenty Knots brings that method to your iPhone, your wrist and your car, so the count is the same wherever you pick it up.
On iPhone
- Record your own affirmations, in your own voice
- Coué’s formula and nine more, in British, American and Australian voices
- A short daily reading from Coué’s own writing, sixty-four in all
- A quiet calendar, with no streaks and no scolding
On Apple Watch
- Playlists stored on the Watch, so your iPhone can stay at home
- Listen through AirPods, or follow in silence with a tap for every knot
In CarPlay
- Your playlists on the car’s display, ready for the commute
- Start, pause and skip from the screen, the wheel or Siri
In CarPlay




Breathe With the Tide
Resonance breathing paced by a tide that rises and falls on screen, with gentle haptics on your wrist. Close your eyes and follow it, wherever you are: nothing needs a signal.
On iPhone
- Techniques explained in plain English, with sources you can open
- A short guided trial to find the pace that feels easiest for you
- Build your own rhythm
- Your session on the Lock Screen and in the Dynamic Island
On Apple Watch
- The tide on your wrist, with haptics to breathe by
- Start from a watch face, Siri or the Action button on Apple Watch Ultra
- Or start a Watch session from your iPhone




Heat and Cold, Within Clear Limits
A sauna and cold water coach that keeps your eye on the time. It sets cautious limits while you are new, warns you as you near them, and walks you through warming back up afterwards.
On iPhone
- Guided mode, with cautious limits that build up slowly
- Sauna, steam, contrast and cold sessions
- Your time in the heat and the cold, week by week
- Spotter, so someone knows when you are in
On Apple Watch
- A ring counts down, with a warning and an alarm at your time
- Tap I’m Out when you are out
- Heart rate on your wrist, and live water temperature on a Watch with a water sensor
- Rewarm guidance once you are out of the water
Heat and cold are risky for some people. Read the safety page first.



