# The PHI vs WristCoach

The clearest difference is update cadence: WristCoach at every 3 weeks against The PHI's every 3 months. The PHI's advantage is iOS requirement (13.5 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

The PHI ships an update every 3 months, WristCoach every 3 weeks. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | The PHI | WristCoach |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/wristcoach-workout-builder/id6798642942/reviews)** |
| Number of ratings | — | **5** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 14 MB | 14 MB |
| Requires iOS | **13.5** | 18.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Phi Strength and Conditioning Inc](https://appshunter.io/developer/1790844630) | [HyperCept AI LLC](https://appshunter.io/developer/6798642944) |

## What reviewers say

### The PHI

[App page](https://appshunter.io/ios/app/the-phi/id6740625134)

**Features:** macOS Compatibility

**In-app purchases:** none


### WristCoach

[App page](https://appshunter.io/ios/app/wristcoach-workout-builder/id6798642942)

Transform any workout video, handwritten plan, or screenshot into a guided session on your Apple Watch. Follow exercises, intervals, and rest periods without needing your phone. Get notified when to switch and track your heart rate during your workout.

**Highlights:** Create workouts from videos, plans, or screenshots, Guided sessions on Apple Watch, Exercise, interval, and rest period identification, Phone-free workout experience, Heart rate zone tracking, Workout scheduling and reminders, Workout history with heart rate data

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

**In-app purchases:** none


## Frequently asked questions

### Is The PHI free?

The PHI is free to download, with no in-app purchases.

### Is WristCoach free?

WristCoach is free to download, with no in-app purchases.

### Do The PHI or WristCoach have ads?

Neither The PHI nor WristCoach shows ads.

### Which is updated more often, The PHI or WristCoach?

The PHI ships an update every 3 months, and WristCoach every 3 weeks. Most recently, The PHI was updated on October 30, 2026 and WristCoach on October 29, 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.*