# Biostress vs PacePal

The clearest difference is iOS requirement: Biostress at 13.4 against PacePal's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Biostress ships an update monthly, PacePal every 2 months. The most recent releases landed on September 15, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Biostress | PacePal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/pacepal/id6563148283/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 88.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | — | Free |
| Size | 41 MB | 45 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Biostress Lab Ltd](https://appshunter.io/developer/1762589825) | [PacePal](https://appshunter.io/developer/1758611709) |

## What reviewers say

### Biostress

[App page](https://appshunter.io/ios/app/biostress/id6444656152)

**Features:** macOS Compatibility

**In-app purchases:** none


### PacePal

[App page](https://appshunter.io/ios/app/pacepal/id6563148283)

Connect with other runners, discover local runs, and track your progress. Earn points for every kilometer run, with group runs offering double points. Use these points for a chance to win monthly prizes and access training plans.

**Highlights:** Host and join runs, Interactive run map, Earn points for distance, Monthly prize draws, Real-time GPS tracking, In-app messaging, Training plans and pace calculator

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

**In-app purchases:** none


## Frequently asked questions

### Is Biostress free?

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

### Is PacePal free?

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

### Do Biostress or PacePal have ads?

Neither Biostress nor PacePal shows ads.

### Which is updated more often, Biostress or PacePal?

Biostress ships an update monthly, and PacePal every 2 months. Most recently, Biostress was updated on September 15, 2026 and PacePal on October 1, 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.*