# Seconds Interval Timer vs Boxing Timer PRO

The clearest difference is review sentiment: Boxing Timer PRO at 100% against Seconds Interval Timer's 75%. Boxing Timer PRO also leads on rating (5.0 vs 4.7). Seconds Interval Timer's advantage is ratings volume (24K vs 2). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Seconds Interval Timer sells 1 one-off in-app purchase and Boxing Timer PRO sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Boxing Timer PRO holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Seconds Interval Timer has 24K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 75% of Seconds Interval Timer's written reviews are positive against 100% of Boxing Timer PRO's.

Seconds Interval Timer ships an update monthly, Boxing Timer PRO every 4 weeks. The most recent releases landed on September 30, 2026 and August 21, 2026 respectively.

## The numbers

| Metric | Seconds Interval Timer | Boxing Timer PRO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (24K ratings)](https://appshunter.io/ios/app/seconds-interval-timer/id475816966/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/boxing-timer-pro-smartwod/id6739137459/reviews)** |
| Number of ratings | **24K** | 2 |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 95 MB | 54 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Runloop Ltd](https://appshunter.io/developer/325563420) | [Ilia Kulbakin](https://appshunter.io/developer/1783785490) |

## What reviewers say

### Seconds Interval Timer

[App page](https://appshunter.io/ios/app/seconds-interval-timer/id475816966)

This app provides a versatile interval timer for various workout types like Tabata, HIIT, and circuit training. It features a clear, full-screen display, customizable alerts, and background operation. Users can also utilize a stopwatch and countdown timer, with integration for Apple Health.

**Highlights:** Full-screen colored display, Templates for HIIT, Tabata, Circuit Training, Voice and audio alerts, Music assignment per interval, Background operation, Apple Health integration, Stopwatch and countdown timer

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advanced Version | $7.99 | one-time |

**What reviewers like**

- 🚀 Great workout app
- 👍 Customizable and user-friendly
- 🔒 Reliable and stable
- 💡 Versatile for various workouts
- 👍 Easy to create and edit timers

**What reviewers complain about**

- 🐛 Occasional audio issues
- 🔍 Limited Apple Watch integration
- 💰 Paid version required for full functionality
- 🕰️ Time-consuming to set up complex workouts

**Reported bugs**

- Timer sometimes stops working unexpectedly
- Issues with restoring purchases on new devices

**Requested features**

- Ability to change beep/alert volume independently
- Option to delay transition between intervals
- Sync workouts across devices
- More preset workout templates
- Heart rate monitoring integration


### Boxing Timer PRO

[App page](https://appshunter.io/ios/app/boxing-timer-pro-smartwod/id6739137459)

This app provides a customizable interval timer for high-intensity interval training (HIIT) and boxing workouts. Easily set rounds, work/rest times, and even name custom exercises. Save and edit your workout presets to track progress and adapt to your fitness level.

**Highlights:** Customizable rounds and work/rest times, Pro mode for individual exercise duration, Unique sound options, Background operation without music interruption, Save and edit workout presets, Landscape mode support

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $4.99 | per month |
| 6 Months | $14.99 | per 6 months |
| Annual | $24.99 | per year |


## Frequently asked questions

### Is Seconds Interval Timer free?

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

### Is Boxing Timer PRO free?

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

### Which has better reviews, Seconds Interval Timer or Boxing Timer PRO?

Boxing Timer PRO is rated higher. Seconds Interval Timer averages 4.7 out of 5 from 24K ratings, while Boxing Timer PRO averages 5.0 from 2 ratings.

### Do Seconds Interval Timer or Boxing Timer PRO have ads?

Neither Seconds Interval Timer nor Boxing Timer PRO shows ads.

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

Seconds Interval Timer ships an update monthly, and Boxing Timer PRO every 4 weeks. Most recently, Seconds Interval Timer was updated on September 30, 2026 and Boxing Timer PRO on August 21, 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.*