# Pacer vs Interval Run

The clearest difference is update cadence: Pacer at every 3 weeks against Interval Run's every 6 months. Pacer also leads on iOS requirement (15.6 vs 17.0). 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.

Pacer ships an update every 3 weeks, Interval Run every 6 months. The most recent releases landed on September 22, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Pacer | Interval Run |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (7 ratings)](https://appshunter.io/ios/app/pacer/id1271026763/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Monetization | Free | — |
| Size | 80 MB | 1 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [鹏飞 阎](https://appshunter.io/developer/1271026762) | [ataraxia chen](https://appshunter.io/developer/1559422010) |

## What reviewers say

### Pacer

[App page](https://appshunter.io/ios/app/pacer/id1271026763)

This app provides structured running plans and voice-guided routes for marathon training and daily runs. It offers detailed data analysis, various running tools, and educational content for serious runners. Integrates with Apple Health for heart rate monitoring.

**Highlights:** Customizable running plans, Voice-guided GPS navigation, Detailed running data analysis, Heart rate monitoring integration, Running tools and calculators, Race day preparation features

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

**In-app purchases:** none


### Interval Run

[App page](https://appshunter.io/ios/app/interval-run/id6664059300)

**In-app purchases:** none


## Frequently asked questions

### Is Pacer free?

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

### Is Interval Run free?

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

### Do Pacer or Interval Run have ads?

Neither Pacer nor Interval Run shows ads.

### Which is updated more often, Pacer or Interval Run?

Pacer ships an update every 3 weeks, and Interval Run every 6 months. Most recently, Pacer was updated on September 22, 2026 and Interval Run on September 9, 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.*