# Pace Calculator by PL vs HeartFan

The clearest difference is update cadence: Pace Calculator by PL at every 10 months against HeartFan's every 21 months. HeartFan's advantage is iOS requirement (13.0 vs 15.2). 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.

Pace Calculator by PL ships an update every 10 months, HeartFan every 21 months. The most recent releases landed on September 9, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Pace Calculator by PL | HeartFan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 21 months |
| Size | 1 MB | 3 MB |
| Requires iOS | 15.2 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Paddle Logger Ltd.](https://appshunter.io/developer/955311910) | [ritterfeld.com](https://appshunter.io/developer/482567621) |

## What reviewers say

### Pace Calculator by PL

[App page](https://appshunter.io/ios/app/pace-calculator-by-pl/id1608406909)

**In-app purchases:** none


### HeartFan

[App page](https://appshunter.io/ios/app/heartfan/id1662266021)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Pace Calculator by PL free?

Pace Calculator by PL is free to download, with no in-app purchases.

### Is HeartFan free?

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

### Do Pace Calculator by PL or HeartFan have ads?

Neither Pace Calculator by PL nor HeartFan shows ads.

### Which is updated more often, Pace Calculator by PL or HeartFan?

Pace Calculator by PL ships an update every 10 months, and HeartFan every 21 months. Most recently, Pace Calculator by PL was updated on September 9, 2026 and HeartFan on September 10, 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.*