# Race Pace Ai vs Impulse

The clearest difference is in-app purchases: Impulse at none against Race Pace Ai's 1. Race Pace Ai's advantage is ratings volume (6 vs 1). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Race Pace Ai sells 1 one-off in-app purchase. Impulse asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Race Pace Ai against 5.0 for Impulse. That said, the two scores are not equally well evidenced: Race Pace Ai has 6 ratings behind it against 1, so its average is the more settled of the two.

Race Pace Ai ships an update weekly, Impulse every 4 days. The most recent releases landed on October 30, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Race Pace Ai | Impulse |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (6 ratings)](https://appshunter.io/ios/app/race-pace-ai/id6746557381/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/impulse-sprint-mechanics/id6786762191/reviews) |
| Number of ratings | **6** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Free | Free |
| Size | 49 MB | 60 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Race Pace AI LLC](https://appshunter.io/developer/1817396451) | [KEERTAN RAO SAWTELL](https://appshunter.io/developer/6786762193) |

## What reviewers say

### Race Pace Ai

[App page](https://appshunter.io/ios/app/race-pace-ai/id6746557381)

This app provides real-time finish-time predictions for distance runners during races. It helps coaches and athletes by offering lap-by-lap pacing strategies and automatically logging performance data for improved accuracy and insights.

**Highlights:** Real-time finish-time predictions, Lap-by-lap pacing strategies, Automatic performance logging, One-tap export of race data, Predictive stopwatch functionality

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Unlimited Usage | $14.99 | one-time |


### Impulse

[App page](https://appshunter.io/ios/app/impulse-sprint-mechanics/id6786762191)

Analyze your sprint acceleration with detailed mechanics. Film your first few steps in slow motion to get insights on shin angle, ground contact time, and flight time without specialized equipment.

**Highlights:** Shin angle at ground contact, Ground contact time, Flight time per step, Calculated speed per step, Session history tracking, Mechanics correlation with speed

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

**In-app purchases:** none


## Frequently asked questions

### Is Race Pace Ai free?

Race Pace Ai is free to download, with in-app purchases available.

### Is Impulse free?

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

### Which has better reviews, Race Pace Ai or Impulse?

Race Pace Ai and Impulse are both rated 5.0 out of 5 on the App Store, from 6 and 1 ratings respectively.

### Do Race Pace Ai or Impulse have ads?

Neither Race Pace Ai nor Impulse shows ads.

### Which is updated more often, Race Pace Ai or Impulse?

Race Pace Ai ships an update weekly, and Impulse every 4 days. Most recently, Race Pace Ai was updated on October 30, 2026 and Impulse on November 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.*