# CrossFit FNA vs Pure Intervals

The clearest difference is price: CrossFit FNA at Free against Pure Intervals's $3.99. Pure Intervals's advantage is update cadence (weekly vs every 6 weeks). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

CrossFit FNA is free to download; Pure Intervals costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CrossFit FNA ships an update every 6 weeks, Pure Intervals weekly. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | CrossFit FNA | Pure Intervals |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pure-intervals-interval-timer/id6761694802/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | — | Paid |
| Size | 77 MB | 41 MB |
| Requires iOS | **15** | 15.1 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [CrossFit FNA](https://appshunter.io/developer/1759068240) | [Tres Arboles Ltd.](https://appshunter.io/developer/1890533574) |

## What reviewers say

### CrossFit FNA

[App page](https://appshunter.io/ios/app/crossfit-fna/id6557035388)

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

**In-app purchases:** none


### Pure Intervals

[App page](https://appshunter.io/ios/app/pure-intervals-interval-timer/id6761694802)

This interval timer app is designed for various training styles including HIIT, Tabata, and strength training. It offers a distraction-free interface with voice and sound notifications, allowing users to save unlimited workout routines and use it completely offline. All features are included with a one-time purchase.

**Highlights:** Distraction-free interface, Voice and sound notifications, Save unlimited workout routines, Create workout templates and collections, Peer-to-peer workout sharing, Fully offline functionality, Workout history tracking

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is CrossFit FNA free?

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

### Is Pure Intervals free?

Pure Intervals costs $3.99, with no in-app purchases.

### Do CrossFit FNA or Pure Intervals have ads?

Neither CrossFit FNA nor Pure Intervals shows ads.

### Which is updated more often, CrossFit FNA or Pure Intervals?

CrossFit FNA ships an update every 6 weeks, and Pure Intervals weekly. Most recently, CrossFit FNA was updated on October 25, 2026 and Pure Intervals on October 28, 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.*