# Seconds Interval Timer vs HTP GROUP

The clearest difference is in-app purchases: HTP GROUP at none against Seconds Interval Timer's 1. HTP GROUP also leads on rating (5.0 vs 4.7) and iOS requirement (14.0 vs 18.0). Seconds Interval Timer's advantage is ratings volume (24K vs 3). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Seconds Interval Timer sells 1 one-off in-app purchase. HTP GROUP asks for nothing beyond the download.

HTP GROUP 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 3, so its average is the more settled of the two.

Seconds Interval Timer ships an update monthly, HTP GROUP every 5 weeks. The most recent releases landed on September 24, 2026 and June 13, 2026 respectively.

## The numbers

| Metric | Seconds Interval Timer | HTP GROUP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (24K ratings)](https://appshunter.io/ios/app/seconds-interval-timer/id475816966/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/htp-group/id1615407327/reviews)** |
| Number of ratings | **24K** | 3 |
| Positive reviews | 75.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 95 MB | 34 MB |
| Requires iOS | 18.0 | **14.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Runloop Ltd](https://appshunter.io/developer/325563420) | [Fitness in a Heartbeat Inc](https://appshunter.io/developer/1078756555) |

## 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


### HTP GROUP

[App page](https://appshunter.io/ios/app/htp-group/id1615407327)

This platform helps instructors and trainers monitor group fitness participants' live data on a large display. Collected data is stored and can be transmitted to a secure web portal for analysis and goal setting. Users can review, study, and adjust fitness goals based on accumulated performance metrics.

**Highlights:** Live group fitness data display, Participant data storage, Secure web portal integration, Data analysis and review, Fitness goal setting and adjustment

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Seconds Interval Timer free?

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

### Is HTP GROUP free?

HTP GROUP is free to download, with no in-app purchases.

### Which has better reviews, Seconds Interval Timer or HTP GROUP?

HTP GROUP is rated higher. Seconds Interval Timer averages 4.7 out of 5 from 24K ratings, while HTP GROUP averages 5.0 from 3 ratings.

### Do Seconds Interval Timer or HTP GROUP have ads?

Neither Seconds Interval Timer nor HTP GROUP shows ads.

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

Seconds Interval Timer ships an update monthly, and HTP GROUP every 5 weeks. Most recently, Seconds Interval Timer was updated on September 24, 2026 and HTP GROUP on June 13, 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.*