# Interval Timer vs HIITLY

The clearest difference is in-app purchases: HIITLY at none against Interval Timer's 4. HIITLY also leads on update cadence (every 6 days vs every 4 weeks) and rating (5.0 vs 4.7). Interval Timer's advantage is ratings volume (534 vs 2). 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. HIITLY asks for nothing beyond the download.

HIITLY holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Interval Timer has 534 ratings behind it against 2, so its average is the more settled of the two.

Interval Timer ships an update every 4 weeks, HIITLY every 6 days. The most recent releases landed on October 12, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Interval Timer | HIITLY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (534 ratings)](https://appshunter.io/ios/app/interval-timer-bit-timer/id505848680/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/hiitly-smart-workout-timer/id6743633814/reviews)** |
| Number of ratings | **534** | 2 |
| Positive reviews | 76.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 6 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 15 MB | 27 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Peiter Buick](https://appshunter.io/developer/505848683) | [Matys Bouziane](https://appshunter.io/developer/1785637310) |

## 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


### HIITLY

[App page](https://appshunter.io/ios/app/hiitly-smart-workout-timer/id6743633814)

This interval timer app allows for quick setup of custom workouts with adjustable intervals, rest periods, and rounds. It offers voice cues or beeps, background functionality, and detailed workout history to track progress. Ideal for HIIT, Tabata, and circuit training.

**Highlights:** Customizable intervals, rest, and rounds, Voice cues or beeps, Background functionality, Detailed workout history and stats, Repeat past workouts, Unlimited custom timer creation

**Features:** macOS Compatibility, 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 HIITLY free?

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

### Which has better reviews, Interval Timer or HIITLY?

HIITLY is rated higher. Interval Timer averages 4.7 out of 5 from 534 ratings, while HIITLY averages 5.0 from 2 ratings.

### Do Interval Timer or HIITLY have ads?

Neither Interval Timer nor HIITLY shows ads.

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

Interval Timer ships an update every 4 weeks, and HIITLY every 6 days. Most recently, Interval Timer was updated on October 12, 2026 and HIITLY on September 24, 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.*