# Interval Timer vs Harold Health Mobile App

The clearest difference is in-app purchases: Harold Health Mobile App at none against Interval Timer's 4. Harold Health Mobile App also leads on iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Interval Timer sells 4 in-app purchases, starting at $1.99 per month. Harold Health Mobile App asks for nothing beyond the download.

## The numbers

| Metric | Interval Timer | Harold Health Mobile App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (560 ratings)](https://appshunter.io/ios/app/interval-timer-bit-timer/id505848680/reviews)** | — |
| Number of ratings | **560** | — |
| Positive reviews | 76.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 15 MB | 151 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 17+ |
| Developer | [Peiter Buick](https://appshunter.io/developer/505848683) | [Harold Health Organization, Inc.](https://appshunter.io/developer/6777187286) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-bit-timer/id505848680)

This app provides a simple and intuitive interval timer for workouts like HIIT, EMOM, and CrossFit. It features quick setup, guiding tones and colors, and background functionality to keep you focused on your training.

**Highlights:** Instant interval setup, Guiding tones and colors, HealthKit integration, Background functionality, Save and sync favorite timers, Preparation countdown, Pause and resume workouts

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bit Timer Pro | $1.99 | per month |
| Bit Timer Pro | $4.99 | per year |
| Bit Timer Pro | $9.99 | per year |
| Bit Timer Pro Lifetime | $17.99 | one-time |

**What reviewers like**

- 🚀 Simple and easy to use
- 👍 Elegant and intuitive design
- ✨ Effective for interval training
- 💯 Works great for the basics

**What reviewers complain about**

- 🔒 Paid app now requires subscription
- 💰 Asking users to pay again after initial purchase
- 🔇 Audio cues too quiet
- ⏱️ Limited to 4 minutes of work time

**Reported bugs**

- Timer continues counting down even after app is closed
- Issues with music volume reduction while app is in use

**Requested features**

- Ability to save and load custom workout routines
- Option to increase work interval duration beyond 4 minutes
- Apple Watch app integration
- More sound effect options


### Harold Health Mobile App

[App page](https://appshunter.io/ios/app/harold-health-mobile-app/id6777187284)

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

**In-app purchases:** none


## Frequently asked questions

### Is Interval Timer free?

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

### Is Harold Health Mobile App free?

Harold Health Mobile App is free to download, with no in-app purchases.

### Do Interval Timer or Harold Health Mobile App have ads?

Neither Interval Timer nor Harold Health Mobile App shows ads.

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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.*