# Cardio Zones. vs Run+

The clearest difference is price: Run+ at Free against Cardio Zones.'s $49.99. Run+ also leads on rating (4.5 vs 4.3). Cardio Zones.'s advantage is in-app purchases (none vs 4) and ratings volume (40 vs 2). On review sentiment, update cadence and ads there is nothing between them.

Run+ is free to download; Cardio Zones. costs $49.99 up front. Run+ sells 4 in-app purchases, starting at $1.99 per month. Cardio Zones. asks for nothing beyond the download.

Run+ holds the better App Store score, 4.5 against 4.3. That said, the two scores are not equally well evidenced: Cardio Zones. has 40 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 48% of Cardio Zones.'s written reviews are positive against 50% of Run+'s.

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Cardio Zones. | Run+ |
| --- | --- | --- |
| Price | $49.99 | **Free** |
| Rating | [4.3 (40 ratings)](https://appshunter.io/ios/app/cardio-zones/id1103232564/reviews) | **[4.5 (2 ratings)](https://appshunter.io/ios/app/run-plus/id1487226087/reviews)** |
| Number of ratings | **40** | 2 |
| Positive reviews | 47.6% of reviews | **50.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Monetization | Paid | **Freemium** |
| Size | 28 MB | 39 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [Theo Scott](https://appshunter.io/developer/691156625) | [World Champ Tech](https://appshunter.io/developer/815744920) |

## What reviewers say

### Cardio Zones.

[App page](https://appshunter.io/ios/app/cardio-zones/id1103232564)

Train effectively by keeping your heart rate within target zones during various activities. Analyze your performance with cumulative graphs and track your routes. Measure fitness metrics and access preloaded or custom heart rate zones.

**Highlights:** Voice assistant for heart rate zone guidance, Cumulative graphs of time in heart rate zones, Fitness level and recovery heart rate rating, Resting Heart Rate & VO2 Max measurement, Preloaded and custom heart rate zones, Location tracking of routes with heart rate data, Export heart data to CSV for analysis

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Run+

[App page](https://appshunter.io/ios/app/run-plus/id1487226087)

This intelligent workout coach uses AI to provide real-time, personalized audio feedback during runs. It adapts to your health data, detects critical metrics like climbs and fatigue, and offers motivational insights without needing to check your watch.

**Highlights:** Real-time AI coaching, Personalized audio feedback, Automatic climb detection, Fatigue analysis, Integrates with Apple Health, On-device processing for privacy

**Features:** Siri integration, Apple Watch app

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Intelligent Coaching | $1.99 | per month |
| Intelligent Coaching | $1.99 | per month |
| Intelligent Coaching | $19.99 | per year |
| Intelligent Coaching | Free | one-time |


## Frequently asked questions

### Is Cardio Zones. free?

Cardio Zones. costs $49.99, with no in-app purchases.

### Is Run+ free?

Run+ is free to download, with in-app purchases available.

### Which has better reviews, Cardio Zones. or Run+?

Run+ is rated higher. Cardio Zones. averages 4.3 out of 5 from 40 ratings, while Run+ averages 4.5 from 2 ratings.

### Do Cardio Zones. or Run+ have ads?

Neither Cardio Zones. nor Run+ shows ads.

### Which is updated more often, Cardio Zones. or Run+?

Cardio Zones. ships an update every 5 weeks, and Run+ every 5 weeks. Most recently, Cardio Zones. was updated on November 2, 2026 and Run+ on November 3, 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.*