# Intervals Pro vs Interval Timer

The clearest difference is ratings volume: Intervals Pro at 14K against Interval Timer's 2. Intervals Pro also leads on update cadence (every 8 days vs monthly) and device support (3 vs 1). Interval Timer's advantage is rating (5.0 vs 4.8). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Intervals Pro sells 8 in-app purchases, starting at $2.99 per month and Interval Timer sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Interval Timer holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Intervals Pro has 14K ratings behind it against 2, so its average is the more settled of the two.

Intervals Pro ships an update every 8 days, Interval Timer monthly. The most recent releases landed on October 12, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Intervals Pro | Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (14K ratings)](https://appshunter.io/ios/app/intervals-pro-hiit-timer/id957586938/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/interval-timer-kntc/id6756572360/reviews)** |
| Number of ratings | **14K** | 2 |
| Positive reviews | 84.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 69 MB | 48 MB |
| Requires iOS | **17.5** | 26.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Intervals, LLC](https://appshunter.io/developer/331071662) | [Ruslan Sayfutdinov](https://appshunter.io/developer/1195076753) |

## What reviewers say

### Intervals Pro

[App page](https://appshunter.io/ios/app/intervals-pro-hiit-timer/id957586938)

Create and follow custom interval training routines for various fitness activities. This app offers extensive customization for intervals, alerts, and goals, with seamless integration for Apple Watch and Apple Health.

**Highlights:** Highly customizable intervals (time/distance), Spoken interval names and prompts, Standalone Apple Watch workouts, Workout history with Apple Health, Home screen widgets for quick launch, Bluetooth heart rate monitor support, Siri Shortcuts integration

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $2.99 | per month |
| Yearly Membership | $19.99 | per year |
| Generous Tip | $0.99 | one-time |
| Awesome Tip | $1.99 | one-time |
| Massive Tip | $4.99 | one-time |
| Amazing Tip | $9.99 | one-time |
| Intervals Pro (Legacy) | $69.99 | one-time |
| Lifetime Access | $69.99 | one-time |

**What reviewers like**

- 👍 Customizable timers and intervals
- 🚀 Seamless Apple Watch integration
- 💪 Helps with fitness goals and training
- 🔍 Detailed workout tracking and analytics
- 🎨 Intuitive and user-friendly interface

**What reviewers complain about**

- 🐛 Occasional sync and connectivity issues
- 🔍 Lack of clear guidance and documentation
- 💰 Paid version required for full functionality

**Reported bugs**

- Workout data not syncing correctly
- App crashes or freezes on certain devices

**Requested features**

- More customization options for interval displays
- Ability to batch delete or manage workout history
- Integration with more third-party fitness apps


### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-kntc/id6756572360)

This app provides a customizable interval timer for various training styles like HIIT, boxing, and Tabata. It features a distraction-free interface, audio cues, and haptic feedback for focused workouts. It also integrates with HealthKit to log your training sessions.

**Highlights:** Customizable work/rest intervals, HIIT, Sprint, Boxing, and Tabata timers, Rounds and sets control, Audio cues and voice guidance, Haptic feedback, HealthKit integration

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KNTC Interval Timer Monthly Access | $2.99 | per month |
| Weekly Access | $4.99 | per 7 days |
| KNTC Interval Timer Annual Access | $19.99 | per year |
| KNTC Interval Timer PRO | $29.99 | one-time |


## Frequently asked questions

### Is Intervals Pro free?

Intervals Pro is free to download, with in-app purchases available.

### Is Interval Timer free?

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

### Which has better reviews, Intervals Pro or Interval Timer?

Interval Timer is rated higher. Intervals Pro averages 4.8 out of 5 from 14K ratings, while Interval Timer averages 5.0 from 2 ratings.

### Do Intervals Pro or Interval Timer have ads?

Neither Intervals Pro nor Interval Timer shows ads.

### Which is updated more often, Intervals Pro or Interval Timer?

Intervals Pro ships an update every 8 days, and Interval Timer monthly. Most recently, Intervals Pro was updated on October 12, 2026 and Interval Timer on September 20, 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.*