# Penometer vs Trained By Jay

The clearest difference is monetization model: Trained By Jay at free against Penometer's freemium. Trained By Jay also leads on review sentiment (100% vs 83%). Penometer's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Penometer sells 3 in-app purchases, starting at $4.99 per month and Trained By Jay sells 1 in-app purchase, starting at $399.99 per month. Whichever you choose, the download price is not the number that matters.

Penometer ships an update every 3 weeks, Trained By Jay every 2 months. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Penometer | Trained By Jay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/trained-by-jay/id6463033361/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 83.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Freemium | **Free** |
| Size | 16 MB | 50 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [TotalContent](https://appshunter.io/developer/1542541643) | [Jeremy Park](https://appshunter.io/developer/1703831205) |

## What reviewers say

### Penometer

[App page](https://appshunter.io/ios/app/penometer/id1561621238)

Measure and track your body size metrics over time. Compare your measurements to national and global averages, and gain insights with a built-in analysis tool. Your data is kept private and secure.

**Highlights:** Measure length, width, and girth, Track changes over time with graphs, Compare size to global and national averages, Micropenis analysis tool, Private and secure data storage, Unlimited measurement history (Premium), Advanced trend analysis (Premium)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $4.99 | per month |
| Full Access | $29.99 | per year |
| Full Access | $49.99 | one-time |


### Trained By Jay

[App page](https://appshunter.io/ios/app/trained-by-jay/id6463033361)

This app provides personalized nutrition and training plans for clients of a specific coaching service. Access is granted upon enrollment in a paid coaching package, offering tailored fitness guidance.

**Highlights:** Custom nutrition programs, Custom training programs, Client access, Paid coaching integration

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Coaching | $399.99 | per month |


## Frequently asked questions

### Is Penometer free?

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

### Is Trained By Jay free?

Trained By Jay is free to download, with in-app purchases available.

### Do Penometer or Trained By Jay have ads?

Neither Penometer nor Trained By Jay shows ads.

### Which is updated more often, Penometer or Trained By Jay?

Penometer ships an update every 3 weeks, and Trained By Jay every 2 months. Most recently, Penometer was updated on October 2, 2026 and Trained By Jay on September 30, 2026.

---

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