# BS vs Interval Timer

The clearest difference is in-app purchases: BS at none against Interval Timer's 12. BS also leads on review sentiment (92% vs 67%) and device support (3 vs 1). On price, update cadence and ads there is nothing between them.

Both are free to download. Interval Timer sells 12 in-app purchases, starting at $1.99 per month. BS asks for nothing beyond the download.

BS ships an update every 2 weeks, Interval Timer every 4 weeks. The most recent releases landed on September 25, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | BS | Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (3.5K ratings)](https://appshunter.io/ios/app/interval-timer/id1610398390/reviews)** |
| Number of ratings | — | **3.5K** |
| Positive reviews | **91.7% of reviews** | 67.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 weeks |
| Monetization | **Free** | Subscription |
| Size | 2 MB | 243 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Simon Plovyt](https://appshunter.io/developer/1492758789) | [HIIT Apps Sp. z o.o.](https://appshunter.io/developer/1713395721) |

## 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/id1610398390)

This app is a versatile interval timer designed for various training styles like Tabata and HIIT. It offers customizable workout parameters, voice guidance, and music ducking for an enhanced training experience. Save your custom workouts and track your progress.

**Highlights:** Customizable interval settings, Voice assistant with text-to-speech, Music ducking for audio integration, Save custom workouts, Tabata, Rounds, Stopwatch modes, Apple Health integration

**Features:** Family Sharing, Vision Pro support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Intervals: monthly membership | $1.99 | per month |
| Intervals: membership | $3.99 | per 3 months |
| Intervals: monthly membership | $4.99 | per month |
| Intervals: yearly membership | $6.99 | per year |
| Intervals: yearly membership | $9.99 | per year |
| Intervals: yearly membership | $19.99 | per year |
| Intervals: yearly membership | $24.99 | per year |
| Intervals: membership | $24.99 | per year |
| Intervals \| PRO version | $14.99 | one-time |
| Intervals \| Membership | $14.99 | one-time |
| Intervals \| Membership | $34.99 | one-time |
| Intervals \| Membership | $39.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Customizable workouts
- 🚀 Versatile and efficient
- 🚀 Helpful voice prompts
- 👍 Seamless music integration

**What reviewers complain about**

- 🐛 Bugs causing lost workouts
- 🔋 High battery consumption
- 💰 Subscription-based model
- 🔒 Forced free trial
- 🐛 Timing issues with intervals

**Reported bugs**

- Workouts disappearing
- App crashes and freezes
- Timing issues with intervals

**Requested features**

- Apple Watch integration
- More customization options
- Additional audio cues and prompts
- Improved workout tracking and history


## 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?

Neither BS nor Interval Timer shows ads.

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

BS ships an update every 2 weeks, and Interval Timer every 4 weeks. Most recently, BS was updated on September 25, 2026 and Interval Timer on September 29, 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.*