Comparison

heart/work vs Miva

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

Head to head
About

heart/work

This app generates unique artwork based on your health data, including heart rate, steps, and environmental factors. It uses meditative breathing exercises and personal preferences to create layered visuals, offering a novel way to visualize wellbeing.

Highlights
  • Generates art from health data
  • Uses heart rate and steps
  • Incorporates environmental data
  • Meditative breathing exercises
  • Customizable art parameters
  • Integrates with HealthKit
Features
Read full description

Introducing *heart/work*, the only iOS app that generates original artwork based on your unique health information. Bridging the gap between wellbeing and health data, heart/work creates layered visuals to provide at-a-glance synopsis using meditative breathing exercises, your heartbeat and environmental data from your current surroundings.

 Maintain your exercise streaks by completing heart/work everyday and generate a new piece of art, straight from your heart. The heart/work is generated based on different attributes like: 
 - heart beat
s during exercise - HRV (heart rate variability)
 - resting heart beat
 - # of steps taken 
- distance for running / walking
 - stairs climbed 
- active energy burned
 - local weather 
& climate - location information 
- mood
 - favorite color 

Customize the number of breaths, meditation session length, and favorite color - let heart/work do the rest. heart/work is using HealthKit data to create visuals. Access to the data is required for the app to work. No personally identifiable data is ever shared with anyone. Created with love at the Apple Developer Academy in Naples, Italy.

About

Miva

This app uses your Apple Watch to provide a relaxing and immersive sensory experience. It helps calm your mind and body, relieve muscle tension, and reduce stress through unique vibration patterns. Enjoy distraction-free sessions with intelligent screen disabling and intuitive Digital Crown control.

Highlights
  • Digital Crown control for seamless interaction
  • Discreet screen disabling for full immersion
  • Versatile vibration patterns for various needs
  • Stress reduction and tension relief
  • Promotes self-awareness and body consciousness
Read full description

Step into a journey of discovery through your senses, take a break and relax, thanks to your Apple Watch! Miva is conceived to put this power in your hands, or rather, on your wrist! Calm your mind & body, relieve muscle tension, reduce stress and anxiety... and more! There’s no limit to imagination, turn your watch into your new best well-being companion thanks to: – Digital Crown Control: Enjoy a seamless experience and forget about any undesired interruption. Miva’s revolutionary Digital Crown control allows you to start and stop your chosen vibration pattern with one simple, intuitive interaction. Stay away from accidental touches and casual gestures that may interfere with your journey. Take control! – Disable Discreet Screen: Live full-immersion sessions, relax and enjoy your flow without distractions. Miva intelligently disables your screen while the vibration is active, to let you dive into your sensations and feel the moment. – Versatile Experience: Let your curiosity bloom and explore the full range of your body sensations with Miva. From relaxation to stress reduction, sleep improvement and tension relief, you just need to unleash your imagination to embark on a journey of discovery and self-awareness. – Unique Vibrations Patterns Have fun seeking new sensations, live intense relaxing moments thanks to Miva’s vibration patterns, carefully designed to stimulate both mind and body. Feel the rhythm, get in sync with your body. 
Get away from stress, play with your sensations, just free your mind and go with the flow. Miva is here for you, to take the first step into a satisfying journey in the name of pleasure and self-care, explore new horizons and foster body consciousness. It’s time for pleasure! Download Miva and get your new pocket-sized wellness companion!

Screenshots

heart/work4 screens

Verdict

The call

The clearest difference is review sentiment: Miva at 100% against heart/work's 0%. Miva also leads on in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 5 months). On price, ads, device support and iOS requirement 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. heart/work sells 1 one-off in-app purchase. Miva asks for nothing beyond the download.

UpkeepUpdate frequency

heart/work ships an update every 5 months, Miva every 3 weeks. The most recent releases landed on October 19, 2026 and October 12, 2026 respectively.

Scorecard4 real differences · 6 level
heart/work versus Miva: the parameters behind the verdict, then further details
Parameterheart/workMiva
PriceFreeFree
Rating4.0 (3 ratings) — better—
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings3 — better—
Update frequencyEvery 5 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPod, Apple WatchiPhone, iPod, Apple Watch
Requires iOS11.0 — better12.0
Further details — not scored
Size29 MB3 MB
Age rating4+17+
DeveloperMoritz Philip ReckeCARMINE CINQUEGRANA

Customer experience

heart/work

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Miva

Written reviews11 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

heart/work

One-time1
  • Unlimited Interaction$1.99
None

Miva

No in-app purchases

Questions

Is heart/work free?
heart/work is free to download, with in-app purchases available.
Is Miva free?
Miva is free to download, with no in-app purchases.
Do heart/work or Miva have ads?
Neither heart/work nor Miva shows ads.
Which is updated more often, heart/work or Miva?
heart/work ships an update every 5 months, and Miva every 3 weeks. Most recently, heart/work was updated on October 19, 2026 and Miva on October 12, 2026.

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