# HeartRate++ vs TachyMon

The clearest difference is price: TachyMon at Free against HeartRate++'s $2.99. TachyMon also leads on rating (3.8 vs 2.4) and review sentiment (58% vs 42%). HeartRate++'s advantage is in-app purchases (none vs 2) and update cadence (every 3 weeks vs every 3 months). On ads and device support there is nothing between them.

TachyMon is free to download; HeartRate++ costs $2.99 up front. TachyMon sells 2 in-app purchases, starting at $2.99 per month. HeartRate++ asks for nothing beyond the download.

TachyMon holds the better App Store score, 3.8 against 2.4. That said, the two scores are not equally well evidenced: TachyMon has 288 ratings behind it against 17, so its average is the more settled of the two. Written reviews point the same way: 42% of HeartRate++'s written reviews are positive against 58% of TachyMon's.

HeartRate++ ships an update every 3 weeks, TachyMon every 3 months. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | HeartRate++ | TachyMon |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [2.4 (17 ratings)](https://appshunter.io/ios/app/heartrate-plus-plus/id1485278667/reviews) | **[3.8 (288 ratings)](https://appshunter.io/ios/app/tachymon/id1603517412/reviews)** |
| Number of ratings | 17 | **288** |
| Positive reviews | 42.1% of reviews | **58.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 2 MB | 36 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 9+ |
| Developer | [Ahmed Hussein](https://appshunter.io/developer/884216229) | [Whip Development Inc.](https://appshunter.io/developer/1603514887) |

## What reviewers say

### HeartRate++

[App page](https://appshunter.io/ios/app/heartrate-plus-plus/id1485278667)

Display your current heart rate directly on your watch face with real-time updates. This app provides a detailed overview of your heart rate, including resting heart rate, and historical data for the past four hours. Optimize your watch face space with a functional and informative complication.

**Highlights:** Real-time heart rate complication, Up-to-date resting heart rate, 4-hour heart rate histogram, Average, highest, lowest heart rate data, Complications for various watch styles

**Features:** Apple Watch app

**In-app purchases:** none


### TachyMon

[App page](https://appshunter.io/ios/app/tachymon/id1603517412)

Receive immediate alerts for significant heart rate fluctuations, ideal for conditions like POTS or during exercise. Customize thresholds and receive detailed event tracking. Premium features offer advanced data visualization and reporting.

**Highlights:** Customizable heart rate threshold alerts, Haptic feedback for alerts, Real-time heart rate and average display, Alert event tracking and logging, Temporary alert silencing, Detailed monitoring data review, Shareable PDF reports (premium)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TachyMon Premium Monthly | $2.99 | per month |
| TachyMon Premium Annual | $19.99 | per year |

**What reviewers like**

- 🚀 Continuous monitoring
- 🚨 Helpful alerts for heart rate spikes/drops
- 📊 Useful data tracking and visualization
- 🤖 Customizable settings and thresholds
- 💯 Accurate heart rate measurements

**What reviewers complain about**

- 🔋 Drains Apple Watch battery quickly
- 🔒 Paywalled features that were previously free
- 🤯 Buggy and unreliable at times
- 📱 Lack of companion iPhone app for data review
- 🔇 Limited notification/alert customization

**Reported bugs**

- Frequent disconnections from heart rate monitor
- Inconsistent data sync between watch and phone
- Inability to reinstall app on new devices
- Freezing and crashing issues on latest updates

**Requested features**

- Add ability to log symptoms and notes
- Implement emergency contact alerts
- Improve data export and sharing options
- Enhance graphing and trend analysis tools
- Optimize battery usage and background monitoring


## Frequently asked questions

### Is HeartRate++ free?

HeartRate++ costs $2.99, with no in-app purchases.

### Is TachyMon free?

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

### Which has better reviews, HeartRate++ or TachyMon?

TachyMon is rated higher. HeartRate++ averages 2.4 out of 5 from 17 ratings, while TachyMon averages 3.8 from 288 ratings.

### Do HeartRate++ or TachyMon have ads?

Neither HeartRate++ nor TachyMon shows ads.

### Which is updated more often, HeartRate++ or TachyMon?

HeartRate++ ships an update every 3 weeks, and TachyMon every 3 months. Most recently, HeartRate++ was updated on October 25, 2026 and TachyMon on October 27, 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.*