# BASELINE vs Interval Timer HIIT Workout

The clearest difference is in-app purchases: BASELINE at none against Interval Timer HIIT Workout's 5. BASELINE also leads on ads (none vs shown) and iOS requirement (11.0 vs 18.0). Interval Timer HIIT Workout's advantage is update cadence (weekly vs every 3 months). 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. BASELINE asks for nothing beyond the download.

BASELINE ships an update every 3 months, Interval Timer HIIT Workout weekly. The most recent releases landed on September 12, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | BASELINE | Interval Timer HIIT Workout |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (311 ratings)](https://appshunter.io/ios/app/interval-timer-hiit-workout/id6741055716/reviews)** |
| Number of ratings | — | **311** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 105 MB | 108 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [BASELINE: A Sasser Studio, LLC](https://appshunter.io/developer/1533806325) | [Roli LLC](https://appshunter.io/developer/1792785559) |

## What reviewers say

### BASELINE

[App page](https://appshunter.io/ios/app/baseline-a-sasser-studio/id1576517225)

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

**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 BASELINE free?

BASELINE 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.

### Do BASELINE or Interval Timer HIIT Workout have ads?

Interval Timer HIIT Workout shows ads; BASELINE does not.

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

BASELINE ships an update every 3 months, and Interval Timer HIIT Workout weekly. Most recently, BASELINE was updated on September 12, 2026 and Interval Timer HIIT Workout on September 26, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*