# Seconds Pro Interval Timer — Tabata, HIIT, Circuit Training

> Interval timer for HIIT, Tabata, and circuit training workouts. (iPhone/iPad app by Runloop Ltd.)

- Source: https://appshunter.io/ios/app/seconds-pro-interval-timer/id363978811 (this page in markdown: same URL + `.md`)
- Developer: [Runloop Ltd](https://appshunter.io/developer/325563420)
- Category: Health & Fitness, Utilities
- Price: $7.99
- Rating: 4.80/5 from 11,936 App Store ratings · 1,495 written reviews indexed
- Age rating: 4+
- Requires: iOS 17 · 107 MB
- Languages: British English, French (France), German (Germany), Japanese, European Portuguese, Russian, Chinese (Simplified, China), European Spanish, Swedish, Chinese (Traditional, Taiwan)
- Released: 2010-07-13
- Data updated: 2026-09-10
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/seconds-pro-interval-timer/id363978811/reviews.md

## What is Seconds Pro Interval Timer?

Seconds Pro Interval Timer is the best interval timer for Tabata, HIIT & Circuit Training workouts. As well as being featured by Apple, it is recommended by celebrity and personal trainers to their clients all around the globe.
 

INTERVAL TIMER:

- Full screen, colored display. Easy to read from a distance. Landscape or portrait.
- Templates for HIIT, Tabata & Circuit Training. Combine timers for ultimate control.
- Speaks your interval names & can provide warning for upcoming intervals.
- Other alerts including beeps and bells are available.
- Assign music per interval or per interval timer.
- Match the intensity of your music to the intensity of your HIIT workoutk.
- Interval timer runs in the background while you use other apps.
- Share your interval timer with a friend.

ADDITIONAL TIMERS:

- Stopwatch highlights best and worst lap times.
- Countdown Timer with 5 preset durations (only first 3 on Apple Watch).

APPLE HEALTH:

- Seconds Pro Interval Timer can use Apple Health to save workouts or mindful sessions, read body measurements and year of birth to calculate calorie expenditure in conjunction with a heart rate monitor.

VARIANTS:
- Please note, Seconds Interval Timer and Seconds Pro Interval Timer are separate products. Once paid for they each contain identical features. However, they are not interchangeable. If you have purchased one you should always download that version and in the case of Seconds Interval Timer, restore the in-app purchase within it gain access to the upgraded features.

## Key features

- Full screen colored display
- Templates for HIIT, Tabata, Circuit Training
- Speaks interval names and provides warnings
- Assign music per interval
- Runs in background
- Share interval timers
- Apple Health integration

## Chart rankings

- #8 in Top Paid · Health & Fitness (US App Store)

## What do users think of Seconds Pro Interval Timer?

Overall sentiment: positive

**Pros**

- ⭐ Great updates
- 🤖 Amazing voice prompts
- 👍 Easy to use
- 🎨 Highly customizable
- 🔧 Versatile for various workouts
- 🏫 Useful for instructors and personal training
- 🔍 Detailed and flexible timer options
- 🔁 Ability to repeat/copy workouts
- 🎵 Integrates well with music playback
- 💪 Helps with consistency and motivation

**Cons**

- 🐛 Occasional bugs and glitches
- 🔌 Music volume issues
- 🔍 Complicated setup for some features
- 🌐 Sync/sharing issues between devices
- 🔇 Inconsistent audio cues
- 🕰️ Lack of calendar/history tracking

**Commonly reported bugs**

- Intervals randomly pausing or skipping
- Music volume issues when launching the app
- Inconsistent audio cues and countdown
- Sync issues between devices

**Most requested features**

- Ability to lock Apple Watch screen
- Option to see more than just the next exercise
- Fractional time settings (e.g. 7.74 seconds)
- More voice/audio customization options
- Improved sync between iPhone and iPad
- Calendar integration to track workouts

## Recent user reviews (10 of 1,495)

All indexed reviews: https://appshunter.io/ios/app/seconds-pro-interval-timer/id363978811/reviews.md

### 1/5 — NEED HELP

*2026-09-07, version 3.24.2*

Need help getting timbers back on app, that were lost.

### 2/5 — Importing Won't Work

*2026-09-01, version 3.24.2*

I upgraded my device and now when I try to share time, it will not automatically import. I can pull it up on the web browser, but there is no option to "open in the app" also, the most frustrating part is there is no way to reach out to anyone for help.

### 2/5 — Can’t share across devices

*2026-08-29, version 3.24.2*

Can’t share

### 5/5 — I love this app

*2026-08-28, version 3.24.2*

This app really does its job well. I use it to get to two minute dead hangs. I use a 10 second warm-up to get to Bar and get into position. I then do 30 seconds with a countdown and then staying on the bar doing a low intensity of one second and then doing a 30 second high intensity again.

What I Like are the alerts at 15 seconds and the countdown at three seconds although I would rather have it count at 10 second intervals and countdown 54321  

This app is a very good app for the price

### 3/5 — Love the app but…

*2026-08-25, version 3.24.2*

I had all of my timers saved and didn’t use the app for a few months. Opened it and they’re all gone. No way to contact support and get help.

### 5/5 — Fave timer app!

*2026-08-24, version 3.24.2*

Most flexible, customizable and easy to use timer app out there!

### 5/5 — The go to for timers

*2026-08-24, version 3.24.2*

For all things timers, this has been my go to for years. Excellent app.

### 3/5 — Like it, but has an inconvenient bug

*2026-08-23, version 3.24.2*

Works great as a timer with music at end. However, there is a bug where if you are connected to any Bluetooth speaker, you have to start the timer (it won’t work through the speaker) then stop and start again and it does work through the speaker. So we have to start/stop/start every timed event we do each night. 10+ events. It’s fine but pretty annoying. 

One feature request is to add more options for sounds at the start, halfway and end. Most are not loud enough to hear in a large room even with speaker on max volume. 

I would like to play music at the end of a timer only. No other app does this. I can do it by faking a “round” break and putting music to the break. So it works, it’s just clearly a bit of an odd workaround when you could have a differentiated feature. 

Otherwise, great app! I’ll happily adjust my rating when the bug is fixed.

### 4/5 — Love it but…

*2026-08-20, version 3.24.2*

Love the app. Use it to coach fitness classes. But… the latest version won’t download on my Apple Watch. Probably because my watch is an older gen. So I need to use my phone which limits my range to see the timer.

### 3/5 — missing functionality

*2026-08-19, version 3.24.2*

Would like the copy and paste feature to work. Also would like to upload CSV files.

## Frequently asked questions about Seconds Pro Interval Timer

### What is Seconds Pro Interval Timer used for?

Seconds Pro Interval Timer is designed to be a comprehensive interval timer for various workout types, including Tabata, HIIT (High-Intensity Interval Training), and Circuit Training. It helps users structure and manage their workout intervals with clear visual and auditory cues.

### What are the key features of Seconds Pro Interval Timer?

Key features include a full-screen, color-coded display that's easy to read from a distance, customizable templates for different training styles, spoken interval names with warnings, background operation, music assignment per interval, and integration with Apple Health for saving workouts.

### How much does Seconds Pro Interval Timer cost?

Seconds Pro Interval Timer is a paid application. Once purchased, it unlocks all its features. It's important to note that Seconds Pro Interval Timer and Seconds Interval Timer are separate products, and purchasing one does not grant access to the other.

### What devices is Seconds Pro Interval Timer compatible with?

The app is designed for iOS devices and integrates with Apple Health. Some features, like countdown timer presets, may have limitations on Apple Watch compared to the iPhone version.

### Can I use this app for different types of workouts?

Yes, the app is highly versatile. It provides specific templates for HIIT, Tabata, and Circuit Training, allowing users to combine timers for ultimate control and tailor their workouts to their specific needs and intensity levels.

## Version history (last 5 releases)

### 3.24.2 — 2025-11-30

Seconds for Apple Watch

• Added new compact interval template
• Added new setting for intervals template
• Added option to remove the info bar during workouts
• Added link to Settings from timer controls
• Added option to exit to the home screen
• Restored haptic feedback only alerts
• Restored haptic feedback to all alerts
• Fixed volume control from settings
• Fixed alert enabling from settings
• Fixed watch count down timer not using user defined times
• Fixed delay of alerts and haptic feedback
• Fixed indefinite intervals

• Updated minimum supported watchOS to version 26.

watchOS 26 introduced changes that made the previous version of Seconds for Apple Watch stop working. Unfortunately, there was no way to fix it—I had to rebuild the watch app from scratch.

In order to function as expected, the app now requires watchOS 26. This means Apple Watches older than Series 6 are no longer supported—I'm sorry if this affects you. All Series 6 and newer watches can update to watchOS 26 (you may also need iOS 18 on your iPhone).

If these improvements have resolved any issues you had, an updated review would mean a lot.

### 3.24.1 — 2025-11-15

Thank you for your feedback on the previous version. This update resolves:

- Apple Watch navigation issue
- Cut & Paste toolbar hidden
- Apple Watch timer sort order

If these improvements have addressed your concerns, we would greatly appreciate an updated rating.

### 3.24 — 2025-11-03

New Apple Watch app!

As has been pointed out, the latest update to watchOS 26 broke the existing Apple Watch app. The previous version was developed when Apple Watch was first introduced and many workarounds were required to get something that behaved as I wanted. Apple changed how they wanted developers to build apps several years ago and the old version of the watch app and this approach were incompatible, but the new approach was also a step back in many ways and some features were not possible. This led to difficulties updating the app.

The issues relating to watchOS 26 and the previous version of the app have meant that I have had to redevelop the app from the ground up. This means that finally some features that people have been requesting are now included in the app where they were not possible before. But it also means that, in the short term, there may some missing features and inconveniences. These will be ironed out over time. My priority has been to get a working version of the Apple Watch app ready as quickly as possible so that users are still able to use it for their training.

### 3.23 — 2025-08-22

SDK Updates

### 3.22.3 — 2023-03-14

- Haptic feedback in iPhone app now stronger with different feedback at end of timers.
- Added option to disable pre-timer ducking
- Fixed default voice selecting voice for blind users that Apple recently added.
- Fixed audio not reducing for intervals that have the option enabled.
- Fixed text to speech with warning last interval speech.
- Fixed audio ducking when exiting a timer

## Apps similar to Seconds Pro Interval Timer

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Interval Timer - Tabata Timer](https://appshunter.io/ios/app/interval-timer-tabata-timer/id406473568) | 4.5 (19,032) | Free | Health & Fitness |
| [Seconds Interval Timer](https://appshunter.io/ios/app/seconds-interval-timer/id475816966) | 4.7 (23,504) | Free | Health & Fitness |
| [Intervals Pro: HIIT Timer](https://appshunter.io/ios/app/intervals-pro-hiit-timer/id957586938) | 4.8 (13,511) | Free | Health & Fitness |
| [Interval Timer X Workout Timer](https://appshunter.io/ios/app/interval-timer-x-workout-timer/id1448144846) | 4.8 (686) | Free | Health & Fitness |
| [Interval Timer □ HIIT Timer](https://appshunter.io/ios/app/interval-timer-hiit-timer/id1124297113) | 4.8 (85,854) | Free | Health & Fitness |
| [Tabata Timer: Interval Timer.](https://appshunter.io/ios/app/tabata-timer-interval-timer/id1255964203) | 4.9 (9,173) | Free | Health & Fitness |

## More apps by Runloop Ltd

- [Stretch - A countdown timer for fitness, workout, egg, or anything really](https://appshunter.io/ios/app/stretch-a-countdown-timer-for-fitness-workout-egg-or-anything-really/id333281172)
- [Seconds Interval Timer](https://appshunter.io/ios/app/seconds-interval-timer/id475816966)
- [HeavySet - Gym Workout Log](https://appshunter.io/ios/app/heavyset-gym-workout-log/id1171500310)

All apps by Runloop Ltd: https://appshunter.io/developer/325563420

## Related topics

[seconds pro](https://appshunter.io/ios/topics/seconds-pro) · [seconds pro interval timer](https://appshunter.io/ios/topics/seconds-pro-interval-timer) · [seconds](https://appshunter.io/ios/topics/seconds) · [circuit timer train](https://appshunter.io/ios/topics/circuit-timer-train) · [circuit timer countdown](https://appshunter.io/ios/topics/circuit-timer-countdown) · [seconds pro timer](https://appshunter.io/ios/topics/seconds-pro-timer) · [intervals pro trainer](https://appshunter.io/ios/topics/intervals-pro-trainer) · [secnds](https://appshunter.io/ios/topics/secnds) · [seconds interval timer](https://appshunter.io/ios/topics/seconds-interval-timer) · [seconds interval](https://appshunter.io/ios/topics/seconds-interval) · [temporizador pro](https://appshunter.io/ios/topics/temporizador-pro) · [workout timer second](https://appshunter.io/ios/topics/workout-timer-second) · [circuit timer workout](https://appshunter.io/ios/topics/circuit-timer-workout) · [fitness timer training](https://appshunter.io/ios/topics/fitness-timer-training) · [exercise timer calories](https://appshunter.io/ios/topics/exercise-timer-calories) · [second timer](https://appshunter.io/ios/topics/second-timer) · [exercise timer⋮ hiit training](https://appshunter.io/ios/topics/exercise-timer-hiit-training) · [hiit timer chronometer gym](https://appshunter.io/ios/topics/hiit-timer-chronometer-gym) · [icounttimer pro](https://appshunter.io/ios/topics/icounttimer-pro) · [exercise timer countdown](https://appshunter.io/ios/topics/exercise-timer-countdown)

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-10.*