# Run Intervals vs AI Endurance

The clearest difference is price: AI Endurance at Free against Run Intervals's $0.99. Run Intervals's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 vs 15.0). On update cadence, ads and device support there is nothing between them.

AI Endurance is free to download; Run Intervals costs $0.99 up front. AI Endurance sells 2 in-app purchases, starting at $20.00 per month. Run Intervals asks for nothing beyond the download.

Run Intervals ships an update every 8 months, AI Endurance every 5 months. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Run Intervals | AI Endurance |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.2 (25 ratings)](https://appshunter.io/ios/app/ai-endurance/id6714485075/reviews)** |
| Number of ratings | — | **25** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 5 months** |
| Monetization | — | Freemium |
| Size | 1 MB | 3 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Paweł Supeł](https://appshunter.io/developer/1669210434) | [AI Endurance](https://appshunter.io/developer/1544807340) |

## What reviewers say

### Run Intervals

[App page](https://appshunter.io/ios/app/run-intervals-start-running/id6449671249)

**Features:** Apple Watch app

**In-app purchases:** none


### AI Endurance

[App page](https://appshunter.io/ios/app/ai-endurance/id6714485075)

This AI-powered fitness coach analyzes your personal data to create a customized training plan. It's designed for athletes looking to optimize their performance and achieve superior results by training smarter.

**Highlights:** AI-powered performance analysis, Personalized training plans, Optimized for unique physiology, Trusted by cyclists, runners, triathletes, Train smarter, not harder

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $20.00 | per month |
| Yearly Subscription | $200.00 | per year |


## Frequently asked questions

### Is Run Intervals free?

Run Intervals costs $0.99, with no in-app purchases.

### Is AI Endurance free?

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

### Do Run Intervals or AI Endurance have ads?

Neither Run Intervals nor AI Endurance shows ads.

### Which is updated more often, Run Intervals or AI Endurance?

Run Intervals ships an update every 8 months, and AI Endurance every 5 months. Most recently, Run Intervals was updated on October 25, 2026 and AI Endurance on October 30, 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.*