# Evolve Buffalo vs Interval Timer HIIT Workout

The clearest difference is in-app purchases: Evolve Buffalo at none against Interval Timer HIIT Workout's 5. Evolve Buffalo also leads on ads (none vs shown) and review sentiment (100% vs 67%). Interval Timer HIIT Workout's advantage is update cadence (weekly vs every 8 months) and ratings volume (334 vs 1). On price and device support there is nothing between them.

Both are free to download. Interval Timer HIIT Workout sells 5 in-app purchases, starting at $1.99 per month. Evolve Buffalo asks for nothing beyond the download.

Evolve Buffalo holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Interval Timer HIIT Workout has 334 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Evolve Buffalo's written reviews are positive against 67% of Interval Timer HIIT Workout's.

Evolve Buffalo ships an update every 8 months, Interval Timer HIIT Workout weekly. The most recent releases landed on October 2, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Evolve Buffalo | Interval Timer HIIT Workout |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/evolve-buffalo/id1664005691/reviews)** | [4.8 (334 ratings)](https://appshunter.io/ios/app/interval-timer-hiit-workout/id6741055716/reviews) |
| Number of ratings | 1 | **334** |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 106 MB | 96 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Melissa Moyer Fitness, LLC](https://appshunter.io/developer/1771859114) | [Roli LLC](https://appshunter.io/developer/1792785559) |

## What reviewers say

### Evolve Buffalo

[App page](https://appshunter.io/ios/app/evolve-buffalo/id1664005691)

This app focuses on educating users about fitness, empowering them to take control of their health journey, and facilitating personal evolution. It emphasizes a sustainable lifestyle over quick fixes, aiming to help users become the best version of themselves.

**Highlights:** Movement pattern education, Proper form guidance, Workout structuring, Empowerment for fitness journey, Lifestyle embrace, Personal evolution focus

**Features:** macOS Compatibility

**In-app purchases:** none


### Interval Timer HIIT Workout

[App page](https://appshunter.io/ios/app/interval-timer-hiit-workout/id6741055716)

Customize your HIIT and Tabata workouts with this versatile interval timer. Features AI voice cues from celebrity personalities, music integration, and Apple Health syncing. Track your progress and share routines with ease.

**Highlights:** Customizable work/rest periods, AI voice cues from celebrity personalities, Music integration, Apple Health & Apple Watch sync, Save and organize workouts, Real-time exercise on-screen cues, Share workouts with others

**Features:** Family Sharing, Apple Watch app

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |
| Monthly Subscription | $2.99 | per month |
| Yearly Subscription | $29.99 | per year |
| Yearly Subscription | $29.99 | per year |
| One Time Purchase | $19.99 | one-time |


## Frequently asked questions

### Is Evolve Buffalo free?

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

### Is Interval Timer HIIT Workout free?

Interval Timer HIIT Workout is free to download, with in-app purchases available.

### Which has better reviews, Evolve Buffalo or Interval Timer HIIT Workout?

Evolve Buffalo is rated higher. Evolve Buffalo averages 5.0 out of 5 from 1 ratings, while Interval Timer HIIT Workout averages 4.8 from 334 ratings.

### Do Evolve Buffalo or Interval Timer HIIT Workout have ads?

Interval Timer HIIT Workout shows ads; Evolve Buffalo does not.

### Which is updated more often, Evolve Buffalo or Interval Timer HIIT Workout?

Evolve Buffalo ships an update every 8 months, and Interval Timer HIIT Workout weekly. Most recently, Evolve Buffalo was updated on October 2, 2026 and Interval Timer HIIT Workout on October 14, 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.*