# TachyMon vs Not Therapy

The clearest difference is rating: Not Therapy at 5.0 against TachyMon's 3.8. Not Therapy also leads on update cadence (every 9 days vs every 3 months). TachyMon's advantage is ratings volume (287 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. TachyMon sells 2 in-app purchases, starting at $2.99 per month and Not Therapy sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Not Therapy holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: TachyMon has 287 ratings behind it against 2, so its average is the more settled of the two.

TachyMon ships an update every 3 months, Not Therapy every 9 days. The most recent releases landed on October 21, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | TachyMon | Not Therapy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (287 ratings)](https://appshunter.io/ios/app/tachymon/id1603517412/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/not-therapy/id6744280335/reviews)** |
| Number of ratings | **287** | 2 |
| Positive reviews | 57.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 36 MB | 143 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Whip Development Inc.](https://appshunter.io/developer/1603514887) | [Chad Newbry](https://appshunter.io/developer/885333641) |

## 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


### Not Therapy

[App page](https://appshunter.io/ios/app/not-therapy/id6744280335)

Access 24/7 AI-powered mental wellness support with no judgment or waiting. Utilize evidence-based CBT techniques, personalized mood tracking, and behavior change modules for self-care and habit building.

**Highlights:** 24/7 AI chat support, Evidence-based CBT techniques, Personalized mood tracking, Behavior change modules, Complete privacy, Instant support

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Monthly Premium | $49.99 | per year |


## Frequently asked questions

### Is TachyMon free?

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

### Is Not Therapy free?

Not Therapy is free to download, with in-app purchases available.

### Which has better reviews, TachyMon or Not Therapy?

Not Therapy is rated higher. TachyMon averages 3.8 out of 5 from 287 ratings, while Not Therapy averages 5.0 from 2 ratings.

### Do TachyMon or Not Therapy have ads?

Neither TachyMon nor Not Therapy shows ads.

### Which is updated more often, TachyMon or Not Therapy?

TachyMon ships an update every 3 months, and Not Therapy every 9 days. Most recently, TachyMon was updated on October 21, 2026 and Not Therapy on October 6, 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.*