# Interval Timer vs HIITLY

The clearest difference is in-app purchases: HIITLY at none against Interval Timer's 12. HIITLY also leads on ads (none vs shown) and update cadence (every 6 days vs monthly). Interval Timer's advantage is ratings volume (379 vs 2) and device support (4 vs 2). On price, rating and iOS requirement there is nothing between them.

Both are free to download. Interval Timer sells 12 in-app purchases, starting at $2.09 per month. HIITLY asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Interval Timer against 5.0 for HIITLY. That said, the two scores are not equally well evidenced: Interval Timer has 379 ratings behind it against 2, so its average is the more settled of the two.

Interval Timer ships an update monthly, HIITLY every 6 days. The most recent releases landed on September 25, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Interval Timer | HIITLY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (379 ratings)](https://appshunter.io/ios/app/interval-timer-tabata-and-hiit/id6443672034/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/hiitly-smart-workout-timer/id6743633814/reviews)** |
| Number of ratings | **379** | 2 |
| Positive reviews | 96.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 6 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 113 MB | 27 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SimpleInnovation LLC](https://appshunter.io/developer/1479770962) | [Matys Bouziane](https://appshunter.io/developer/1785637310) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-tabata-and-hiit/id6443672034)

This app provides a customizable interval timer for various training routines, including HIIT and Tabata. Easily set up custom workouts, track your progress, and stay motivated with visual cues and audio notifications. It's suitable for a wide range of activities from fitness to productivity.

**Highlights:** Customizable workout setup, Progress tracking with calendar, Saveable custom presets, Color-coded notifications, Listen to music/audiobooks, Large, full-screen display, Widget for easy access

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Timer PRO for 1 month: 30% OFF | $2.09 | per month |
| Timer PRO for 1 month: 25% OFF | $2.29 | per month |
| Interval Timer PRO for 1 month | $2.99 | per month |
| Interval Timer PRO for 1 month | $2.99 | per month |
| Interval Timer PRO - 30% OFF | $15.00 | per year |
| Interval Timer PRO - 25% OFF | $16.49 | per year |
| Interval Timer PRO for 1 year | $21.99 | per year |
| Tabata Timer PRO for 1 year | $21.99 | per year |
| Interval Timer - no Ads | $2.99 | one-time |
| HIIT Timer PRO Forever 30% OFF | $27.99 | one-time |
| HIIT Timer PRO Forever 25% OFF | $29.99 | one-time |
| Exercise Timer PRO Forever | $39.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Intuitive interface
- 🔋 Doesn't drain battery
- 💪 Effective for interval training
- 📆 Tracks workout history

**What reviewers complain about**

- 🔔 Frequent prompts to rate the app
- 🔒 Concerns about data privacy and permissions
- 🔧 Limited customization options

**Reported bugs**

- Occasional app crashes
- Compatibility issues with older devices

**Requested features**

- More pre-designed workout routines
- Ability to name and customize exercises
- Option to adjust countdown time between intervals


### 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 4.9 out of 5 from 379 ratings, while HIITLY averages 5.0 from 2 ratings.

### Do Interval Timer or HIITLY have ads?

Interval Timer shows ads; HIITLY does not.

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

Interval Timer ships an update monthly, and HIITLY every 6 days. Most recently, Interval Timer was updated on September 25, 2026 and HIITLY on September 8, 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.*