# Seconds Pro Interval Timer vs Interval Timer

The clearest difference is review sentiment: Seconds Pro Interval Timer at 80% against Interval Timer's 0%. Seconds Pro Interval Timer also leads on rating (4.8 vs 4.2) and in-app purchases (none vs 3). Interval Timer's advantage is price (Free vs $7.99) and iOS requirement (16.0 vs 18.0). On ads there is nothing between them.

Interval Timer is free to download; Seconds Pro Interval Timer costs $7.99 up front. Interval Timer sells 3 in-app purchases, starting at $4.99 per 7 days. Seconds Pro Interval Timer asks for nothing beyond the download.

Seconds Pro Interval Timer holds the better App Store score, 4.8 against 4.2. That said, the two scores are not equally well evidenced: Seconds Pro Interval Timer has 12K ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 80% of Seconds Pro Interval Timer's written reviews are positive against 0% of Interval Timer's.

Seconds Pro Interval Timer ships an update fortnightly, Interval Timer monthly. The most recent releases landed on September 26, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Seconds Pro Interval Timer | Interval Timer |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | **[4.8 (12K ratings)](https://appshunter.io/ios/app/seconds-pro-interval-timer/id363978811/reviews)** | [4.2 (10 ratings)](https://appshunter.io/ios/app/interval-timer-hiit-workouts/id6742372753/reviews) |
| Number of ratings | **12K** | 10 |
| Positive reviews | **79.9% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Paid | **Freemium** |
| Best chart rank | **#11** | — |
| Size | 94 MB | 31 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Runloop Ltd](https://appshunter.io/developer/325563420) | [Lori Nguyen](https://appshunter.io/developer/1872689629) |

## What reviewers say

### Seconds Pro Interval Timer

[App page](https://appshunter.io/ios/app/seconds-pro-interval-timer/id363978811)

**Currently charting:** #11 Top Paid · Health & Fitness (US App Store)

This interval timer app is designed for high-intensity interval training (HIIT), Tabata, and circuit training workouts. It features a large, color-coded display, customizable interval names, and background operation. It also integrates with Apple Health to track your fitness data.

**Highlights:** 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

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

**In-app purchases:** none

**What reviewers like**

- ⭐ Great updates
- 🤖 Amazing voice prompts
- 👍 Easy to use
- 🎨 Highly customizable
- 🔧 Versatile for various workouts

**What reviewers complain about**

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

**Reported bugs**

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

**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


### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-hiit-workouts/id6742372753)

This advanced interval timer supports HIIT, Tabata, and circuit training with customizable work, rest, and cooldown periods. Stay focused with voice alerts, background operation, and music integration for any fitness routine.

**Highlights:** Customizable workouts, Pre-set & custom intervals, Voice & sound alerts, Music integration, Background operation, Dark & light mode

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Timer (weekly) | $4.99 | per 7 days |
| Premium Timer (monthly) | $12.99 | per month |
| Premium Timer (yearly) | $39.99 | per year |


## Frequently asked questions

### Is Seconds Pro Interval Timer free?

Seconds Pro Interval Timer costs $7.99, with no in-app purchases.

### Is Interval Timer free?

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

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

Seconds Pro Interval Timer is rated higher. Seconds Pro Interval Timer averages 4.8 out of 5 from 12K ratings, while Interval Timer averages 4.2 from 10 ratings.

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

Neither Seconds Pro Interval Timer nor Interval Timer shows ads.

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

Seconds Pro Interval Timer ships an update fortnightly, and Interval Timer monthly. Most recently, Seconds Pro Interval Timer was updated on September 26, 2026 and Interval Timer on September 10, 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.*