# NuStep vs KardiaComplete

The clearest difference is rating: KardiaComplete at 4.6 against NuStep's 2.3. KardiaComplete also leads on ads (none vs shown) and update cadence (every 2 months vs every 49 months). NuStep's advantage is iOS requirement (10.0 vs 15.6). On price, in-app purchases and device support there is nothing between them.

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

KardiaComplete holds the better App Store score, 4.6 against 2.3. Both are backed by a comparable volume of ratings — 25 and 120 respectively. Written reviews point the same way: 21% of NuStep's written reviews are positive against 33% of KardiaComplete's.

NuStep ships an update every 49 months, KardiaComplete every 2 months. The most recent releases landed on October 8, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | NuStep | KardiaComplete |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (25 ratings)](https://appshunter.io/ios/app/nustep/id1109444725/reviews) | **[4.6 (120 ratings)](https://appshunter.io/ios/app/kardiacomplete/id1611446187/reviews)** |
| Number of ratings | 25 | **120** |
| Positive reviews | 21.4% of reviews | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 49 months | **Every 2 months** |
| Monetization | Ad-supported | **Free** |
| Size | 132 MB | 324 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [NuStep, Inc.](https://appshunter.io/developer/978748041) | [AliveCor, Inc.](https://appshunter.io/developer/546535893) |

## What reviewers say

### NuStep

[App page](https://appshunter.io/ios/app/nustep/id1109444725)

This app helps users of a specific recumbent cross trainer track their workouts. It offers personalized profiles, workout summaries, and historical activity tracking. Users can also access tutorials and share their progress with trainers or doctors.

**Highlights:** Personalized workout profiles, Workout summaries, Activity history tracking, Workout tutorials and videos, Shareable workout data

**Features:** macOS Compatibility

**In-app purchases:** none


### KardiaComplete

[App page](https://appshunter.io/ios/app/kardiacomplete/id1611446187)

This app connects you with a virtual care team for personalized heart health management. Track EKGs and blood pressure, complete program tasks, and access educational content from Mayo Clinic. Share your data with clinicians for comprehensive care.

**Highlights:** Live video chat with cardiologists, Direct messaging with health coaches, 24/7 virtual digital assistant, Weekly program tasks, Personalized habit logging, View and share heart data, Mayo Clinic educational content

**In-app purchases:** none


## Frequently asked questions

### Is NuStep free?

NuStep is free to download, with no in-app purchases.

### Is KardiaComplete free?

KardiaComplete is free to download, with no in-app purchases.

### Which has better reviews, NuStep or KardiaComplete?

KardiaComplete is rated higher. NuStep averages 2.3 out of 5 from 25 ratings, while KardiaComplete averages 4.6 from 120 ratings.

### Do NuStep or KardiaComplete have ads?

NuStep shows ads; KardiaComplete does not.

### Which is updated more often, NuStep or KardiaComplete?

NuStep ships an update every 49 months, and KardiaComplete every 2 months. Most recently, NuStep was updated on October 8, 2026 and KardiaComplete on October 12, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*