# LFNJ vs HeartRateHub

The clearest difference is in-app purchases: LFNJ at none against HeartRateHub's 3. LFNJ also leads on update cadence (every 2 months vs every 4 months) and device support (4 vs 2). On price, ads and iOS requirement there is nothing between them.

Both are free to download. HeartRateHub sells 3 in-app purchases, starting at $1.99 per 7 days. LFNJ asks for nothing beyond the download.

LFNJ ships an update every 2 months, HeartRateHub every 4 months. The most recent releases landed on October 11, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | LFNJ | HeartRateHub |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/lfnj/id1639941235/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 175 MB | 7 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Limitless Fitness NJ LLC](https://appshunter.io/developer/1639941237) | [Enzer Erkin](https://appshunter.io/developer/1545061957) |

## What reviewers say

### LFNJ

[App page](https://appshunter.io/ios/app/lfnj/id1639941235)

This app helps users track workouts, meals, and progress towards fitness goals with coach guidance. It allows for scheduling, real-time messaging with trainers, and body measurement tracking. Connects with wearable devices for seamless data syncing.

**Highlights:** Workout tracking, Meal logging, Progress monitoring, Coach messaging, Body measurement tracking, Wearable device integration

**Features:** Apple Wallet

**In-app purchases:** none


### HeartRateHub

[App page](https://appshunter.io/ios/app/heartratehub/id6477622582)

This app helps runners train smarter by utilizing personalized heart rate zones. It integrates with Apple Watch to provide real-time feedback and allows for the creation of custom or pre-set interval workouts for improved endurance and speed.

**Highlights:** Custom heart rate zone creation, Flexible interval workout design, Predefined zone templates, Apple Watch real-time feedback, Speedometer-style visual display, Data-driven goal-oriented sessions

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $1.99 | per 7 days |
| Monthly Subscription | $3.99 | per month |
| Yearly Subscription | $24.99 | per year |


## Frequently asked questions

### Is LFNJ free?

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

### Is HeartRateHub free?

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

### Do LFNJ or HeartRateHub have ads?

Neither LFNJ nor HeartRateHub shows ads.

### Which is updated more often, LFNJ or HeartRateHub?

LFNJ ships an update every 2 months, and HeartRateHub every 4 months. Most recently, LFNJ was updated on October 11, 2026 and HeartRateHub on October 30, 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.*