# Seconds Pro Interval Timer vs Exerp Staff

The clearest difference is review sentiment: Seconds Pro Interval Timer at 80% against Exerp Staff's 19%. Seconds Pro Interval Timer also leads on rating (4.8 vs 4.4) and ratings volume (12K vs 1.2K). Exerp Staff's advantage is price (Free vs $7.99) and iOS requirement (15.0 vs 18.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Exerp Staff is free to download; Seconds Pro Interval Timer costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Seconds Pro Interval Timer holds the better App Store score, 4.8 against 4.4. That said, the two scores are not equally well evidenced: Seconds Pro Interval Timer has 12K ratings behind it against 1.2K, 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 19% of Exerp Staff's.

Seconds Pro Interval Timer ships an update fortnightly, Exerp Staff every 3 weeks. The most recent releases landed on October 19, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Seconds Pro Interval Timer | Exerp Staff |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | **[4.8 (12K ratings)](https://appshunter.io/ios/app/seconds-pro-interval-timer/id363978811/reviews)** | [4.4 (1.2K ratings)](https://appshunter.io/ios/app/exerp-staff/id1406678071/reviews) |
| Number of ratings | **12K** | 1.2K |
| Positive reviews | **79.7% of reviews** | 19.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Paid | **Free** |
| Best chart rank | **#8** | — |
| Size | 94 MB | 54 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Runloop Ltd](https://appshunter.io/developer/325563420) | [Exerp ApS](https://appshunter.io/developer/876394301) |

## 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, #84 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


### Exerp Staff

[App page](https://appshunter.io/ios/app/exerp-staff/id1406678071)

Manage group exercise and personal training schedules, appointments, and member check-ins. Easily trade or pick up classes, and integrate seamlessly with the Exerp back-end for efficient management of schedules, bookings, and member data.

**Highlights:** Class and appointment tracking, Class trading and sign-ups, Member check-in functionality, Direct integration with Exerp back-end, Management of class schedules, Booking and member profile management

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 💡 Keeps appointments organized
- 👍 Reliable and effective for entrepreneurs

**What reviewers complain about**

- 🐛 Constantly logging users out
- 🐛 Unreliable connection between app and desktop
- 🐛 Issues with class/appointment visibility
- 👎 Difficult to navigate and use
- 👎 Outdated and unintuitive UI design

**Reported bugs**

- Disappearing bookings
- Inaccurate class/appointment availability
- Crashes and freezes
- Login issues

**Requested features**

- Add notifications for bookings and appointments
- Implement weekly/monthly calendar view
- Allow access to past sessions and bookings
- Improve client search and management functionality
- Sync app with desktop for seamless booking experience


## Frequently asked questions

### Is Seconds Pro Interval Timer free?

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

### Is Exerp Staff free?

Exerp Staff is free to download, with no in-app purchases.

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

Seconds Pro Interval Timer is rated higher. Seconds Pro Interval Timer averages 4.8 out of 5 from 12K ratings, while Exerp Staff averages 4.4 from 1.2K ratings.

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

Neither Seconds Pro Interval Timer nor Exerp Staff shows ads.

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

Seconds Pro Interval Timer ships an update fortnightly, and Exerp Staff every 3 weeks. Most recently, Seconds Pro Interval Timer was updated on October 19, 2026 and Exerp Staff on October 20, 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.*