# Stromno vs TachyMon

The clearest difference is price: TachyMon at Free against Stromno's $4.99. TachyMon also leads on rating (3.8 vs 3.1) and ratings volume (288 vs 24). Stromno's advantage is in-app purchases (none vs 2) and chart position (#74 vs unranked). On review sentiment, update cadence, ads and device support there is nothing between them.

TachyMon is free to download; Stromno costs $4.99 up front. TachyMon sells 2 in-app purchases, starting at $2.99 per month. Stromno asks for nothing beyond the download.

TachyMon holds the better App Store score, 3.8 against 3.1. That said, the two scores are not equally well evidenced: TachyMon has 288 ratings behind it against 24, so its average is the more settled of the two. Written reviews split almost evenly too, at 57% and 58% positive.

Both ship on a similar rhythm, roughly every 3 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | Stromno | TachyMon |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [3.1 (24 ratings)](https://appshunter.io/ios/app/stromno/id1538966480/reviews) | **[3.8 (288 ratings)](https://appshunter.io/ios/app/tachymon/id1603517412/reviews)** |
| Number of ratings | 24 | **288** |
| Positive reviews | 57.1% of reviews | **58.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | **#74** | — |
| Size | 1 MB | 36 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 9+ |
| Developer | [Yaroslav Hryniuk](https://appshunter.io/developer/1538966482) | [Whip Development Inc.](https://appshunter.io/developer/1603514887) |

## What reviewers say

### Stromno

[App page](https://appshunter.io/ios/app/stromno/id1538966480)

**Currently charting:** #74 Top Paid · Health & Fitness (US App Store)

Broadcast your real-time heart rate from your Apple Watch to live streams on platforms like Twitch and YouTube. Easily set up a customizable widget or overlay for your stream with a simple login code.

**Highlights:** Heart rate streaming from Apple Watch, Live stream integration (Twitch, YouTube), Customizable widget/overlay designs, Easy 1-minute setup, OBS, Twitch Studio, XSplit, Streamlabs OBS compatible, Integrates with Apple Health

**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 Stromno free?

Stromno costs $4.99, with no in-app purchases.

### Is TachyMon free?

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

### Which has better reviews, Stromno or TachyMon?

TachyMon is rated higher. Stromno averages 3.1 out of 5 from 24 ratings, while TachyMon averages 3.8 from 288 ratings.

### Do Stromno or TachyMon have ads?

Neither Stromno nor TachyMon shows ads.

### Which is updated more often, Stromno or TachyMon?

Stromno ships an update every 3 months, and TachyMon every 3 months. Most recently, Stromno was updated on October 25, 2026 and TachyMon on October 25, 2026.

---

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