# BS vs Interval Timer

The clearest difference is in-app purchases: BS at none against Interval Timer's 1. BS also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Interval Timer sells 1 one-off in-app purchase. BS asks for nothing beyond the download.

BS ships an update every 2 weeks, Interval Timer every 2 months. The most recent releases landed on July 19, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | BS | Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (246 ratings)](https://appshunter.io/ios/app/interval-timer-hiit-workout/id1596127692/reviews)** |
| Number of ratings | — | **246** |
| Positive reviews | **91.7% of reviews** | 83.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 12 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Simon Plovyt](https://appshunter.io/developer/1492758789) | [Yosyp Hameliak](https://appshunter.io/developer/895008826) |

## What reviewers say

### BS

[App page](https://appshunter.io/ios/app/bs-free-interval-timer/id1492758790)

A straightforward workout timer designed for focus, offering customizable rounds, intervals, and start delays without any advertisements. Adjust sound effects to suit your training style for a distraction-free experience.

**Highlights:** Customizable number of rounds, Adjustable time per round, Configurable rest intervals, Pre-workout countdown, Adjustable sound effects, Ad-free experience

**In-app purchases:** none


### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-hiit-workout/id1596127692)

This interval timer is designed for HIIT and interval training. Easily set work and rest periods, sets, and rounds to guide your workouts. It supports background operation and music playback, with an Apple Watch companion app for heart rate monitoring.

**Highlights:** Customizable work and rest periods, Set number of sets and rounds, Background operation support, Music playback compatibility, Apple Watch integration, Heart rate monitoring (Apple Watch)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


## Frequently asked questions

### Is BS free?

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

### Is Interval Timer free?

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

### Do BS or Interval Timer have ads?

Interval Timer shows ads; BS does not.

### Which is updated more often, BS or Interval Timer?

BS ships an update every 2 weeks, and Interval Timer every 2 months. Most recently, BS was updated on July 19, 2026 and Interval Timer on September 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.*