# TachyMon vs KiT

The clearest difference is price: TachyMon at Free against KiT's $2.99. TachyMon also leads on ratings volume (288 vs 1) and iOS requirement (16.4 vs 26.5). KiT's advantage is rating (5.0 vs 3.8) and in-app purchases (none vs 2). On ads and device support there is nothing between them.

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

KiT holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: TachyMon has 288 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | TachyMon | KiT |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [3.8 (288 ratings)](https://appshunter.io/ios/app/tachymon/id1603517412/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kit-karas-interval-trainer/id6787561511/reviews)** |
| Number of ratings | **288** | 1 |
| Positive reviews | 58.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 36 MB | 1 MB |
| Requires iOS | **16.4** | 26.5 |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Age rating | 9+ | 4+ |
| Developer | [Whip Development Inc.](https://appshunter.io/developer/1603514887) | [Karl Mcclendon](https://appshunter.io/developer/1587810759) |

## What reviewers say

### 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


### KiT

[App page](https://appshunter.io/ios/app/kit-karas-interval-trainer/id6787561511)

A minimalist interval timer designed for efficient workouts. It allows users to build custom routines with warmups, work, rest, and cooldown periods, offering voice cues and lock screen integration. This app focuses on simplicity and immediate use without ads or subscriptions.

**Highlights:** Customizable workout builder, Voice and sound cues, Lock screen and Dynamic Island integration, Apple Watch mirroring and health tracking, Minimalist, distraction-free interface, Offline functionality

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is TachyMon free?

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

### Is KiT free?

KiT costs $2.99, with no in-app purchases.

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

KiT is rated higher. TachyMon averages 3.8 out of 5 from 288 ratings, while KiT averages 5.0 from 1 ratings.

### Do TachyMon or KiT have ads?

Neither TachyMon nor KiT shows ads.

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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.*