# RunIntensity vs Laktic Pace Calculator

The clearest difference is in-app purchases: Laktic Pace Calculator at none against RunIntensity's 2. Laktic Pace Calculator also leads on iOS requirement (15.1 vs 17.0). RunIntensity's advantage is ratings volume (10 vs 2). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. RunIntensity sells 2 in-app purchases, starting at $19.99 per year. Laktic Pace Calculator asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for RunIntensity against 5.0 for Laktic Pace Calculator. That said, the two scores are not equally well evidenced: RunIntensity has 10 ratings behind it against 2, so its average is the more settled of the two.

RunIntensity ships an update every 2 weeks, Laktic Pace Calculator every 9 days. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | RunIntensity | Laktic Pace Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (10 ratings)](https://appshunter.io/ios/app/runintensity-training-load/id6760513963/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/laktic-pace-calculator/id6808660864/reviews) |
| Number of ratings | **10** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 15 MB | 28 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zero Di, LLC](https://appshunter.io/developer/1884485197) | [Travis Mahoney](https://appshunter.io/developer/1896344290) |

## What reviewers say

### RunIntensity

[App page](https://appshunter.io/ios/app/runintensity-training-load/id6760513963)

This app provides advanced running analytics, calculating training load with a multi-factor model that considers intensity, terrain, and environmental stress. It offers daily readiness scores and personalized workout plans to optimize training and recovery.

**Highlights:** Stress-Adjusted Miles (SAM) calculation, Daily readiness score, Readiness-first "Today" home screen, Training planner with periodization, Social features to train with friends, AI coaching options, Shoe mileage tracking

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coach Brady — Yearly | $19.99 | per year |
| Coach Mode — Yearly | $39.99 | per year |


### Laktic Pace Calculator

[App page](https://appshunter.io/ios/app/laktic-pace-calculator/id6808660864)

Calculate heat-adjusted running paces for training and racing. Input your personal records and current weather conditions to receive adjusted threshold zones and per-mile ranges. Coaches can manage athlete rosters and share workout boards.

**Highlights:** Heat-adjusted threshold paces, Race PR and track/road pace calculation, Temperature and dew point adjustment, Rep length scaling for heat penalty, Athlete roster management for coaches, Workout board sharing, Session logging and performance comparison

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

**In-app purchases:** none


## Frequently asked questions

### Is RunIntensity free?

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

### Is Laktic Pace Calculator free?

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

### Which has better reviews, RunIntensity or Laktic Pace Calculator?

RunIntensity and Laktic Pace Calculator are both rated 5.0 out of 5 on the App Store, from 10 and 2 ratings respectively.

### Do RunIntensity or Laktic Pace Calculator have ads?

Neither RunIntensity nor Laktic Pace Calculator shows ads.

### Which is updated more often, RunIntensity or Laktic Pace Calculator?

RunIntensity ships an update every 2 weeks, and Laktic Pace Calculator every 9 days. Most recently, RunIntensity was updated on October 7, 2026 and Laktic Pace Calculator on October 11, 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.*