# Seconds Pro Interval Timer vs Interval Timer ++

The clearest difference is price: Interval Timer ++ at Free against Seconds Pro Interval Timer's $7.99. Interval Timer ++ also leads on iOS requirement (12.0 vs 18.0). Seconds Pro Interval Timer's advantage is in-app purchases (none vs 8) and ads (none vs shown). On rating, review sentiment, ratings volume and update cadence there is nothing between them.

Interval Timer ++ is free to download; Seconds Pro Interval Timer costs $7.99 up front. Interval Timer ++ sells 8 in-app purchases, starting at $0.99 per 2 months. Seconds Pro Interval Timer asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Seconds Pro Interval Timer against 4.8 for Interval Timer ++. Both are backed by a comparable volume of ratings — 12K and 15K respectively. Written reviews are what separate them: 80% of Seconds Pro Interval Timer's written reviews are positive against 78% of Interval Timer ++'s.

Seconds Pro Interval Timer ships an update fortnightly, Interval Timer ++ every 3 weeks. Both last shipped on September 24, 2026.

## 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) | [4.8 (15K ratings)](https://appshunter.io/ios/app/interval-timer-plus-plus/id1327053127/reviews) |
| Number of ratings | 12K | **15K** |
| Positive reviews | **79.9% of reviews** | 78.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#8** | — |
| Size | 94 MB | 87 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone, iPad, Apple Watch | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Runloop Ltd](https://appshunter.io/developer/325563420) | [Sunny Studio](https://appshunter.io/developer/430274590) |

## What reviewers say

### Seconds Pro Interval Timer

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

**Currently charting:** #8 Top Paid · Health & Fitness, #182 Top Paid (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-plus-plus/id1327053127)

This app provides a customizable interval timer for high-intensity interval training (HIIT) and circuit workouts. Easily set up work, rest, and repeat intervals, track your progress, and integrate with your health data. Enjoy your workouts with background music and notifications.

**Highlights:** Customizable work/rest/repeat intervals, Supports iPhone and Apple Watch, Workout history in calendar view, Health app integration (HealthKit), Background notifications, Listen to music during workouts, Premium timers for mixed fitness types

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Interval Timer Pro | $0.99 | per 2 months |
| Interval Timer Pro | $0.99 | per 7 days |
| Interval Timer Pro | $1.99 | per 7 days |
| Interval Timer Pro | $1.99 | per month |
| Interval Timer Pro for a Year | $5.99 | per year |
| Premium Timer for One Week | $2.99 | one-time |
| Premium Timer for One Year | $7.99 | one-time |
| Premium Timer for Entire Life | $8.99 | one-time |

**What reviewers like**

- 👍 Simple and intuitive interface
- 🚀 Straightforward interval timer functionality
- 💡 Customizable timers and workouts
- 🔒 No ads or in-app purchases required

**What reviewers complain about**

- 🐛 Inconsistent sound and volume issues
- 🐛 Bugs with timer functionality and data sync
- 🔋 High battery consumption when running in background
- 🚫 Limited customization options for timers and workouts

**Reported bugs**

- Timers not working correctly after app updates
- Custom timers not saving or syncing across devices
- Unexpected pausing or stopping of timers during use

**Requested features**

- Ability to name and save custom workouts
- Option to adjust rest time for individual exercises
- Countdown beeps or voice cues during intervals
- Integration with Apple Watch and other fitness devices


## 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 and Interval Timer ++ are both rated 4.8 out of 5 on the App Store, from 12K and 15K ratings respectively.

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

Interval Timer ++ shows ads; Seconds Pro Interval Timer does not.

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

Seconds Pro Interval Timer ships an update fortnightly, and Interval Timer ++ every 3 weeks. Most recently, Seconds Pro Interval Timer was updated on September 24, 2026 and Interval Timer ++ 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.*