# Seconds Pro Interval Timer vs Instruct

The clearest difference is price: Instruct at Free against Seconds Pro Interval Timer's $7.99. Instruct also leads on review sentiment (100% vs 80%) and rating (5.0 vs 4.8). Seconds Pro Interval Timer's advantage is in-app purchases (none vs 2) and ratings volume (12K vs 5). On ads and device support there is nothing between them.

Instruct is free to download; Seconds Pro Interval Timer costs $7.99 up front. Instruct sells 2 in-app purchases, starting at $2.99 per 7 days. Seconds Pro Interval Timer asks for nothing beyond the download.

Instruct holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Seconds Pro Interval Timer has 12K ratings behind it against 5, 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 100% of Instruct's.

Seconds Pro Interval Timer ships an update fortnightly, Instruct every 2 months. The most recent releases landed on October 14, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Seconds Pro Interval Timer | Instruct |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | [4.8 (12K ratings)](https://appshunter.io/ios/app/seconds-pro-interval-timer/id363978811/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/instruct-ai-interval-timer/id6754808207/reviews)** |
| Number of ratings | **12K** | 5 |
| Positive reviews | 79.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | **Paid** | Subscription |
| Best chart rank | **#8** | — |
| Size | 94 MB | 42 MB |
| Requires iOS | 18.0 | **14.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Runloop Ltd](https://appshunter.io/developer/325563420) | [Instruct](https://appshunter.io/developer/1850202038) |

## 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, #80 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


### Instruct

[App page](https://appshunter.io/ios/app/instruct-ai-interval-timer/id6754808207)

This app helps group fitness instructors quickly plan, design, and choreograph classes. It offers an AI-powered bot to generate custom workouts, a smart library for organizing past classes, and automatic timer integration. Spend less time planning and more time teaching.

**Highlights:** On-demand Class Builder Bot, Smart Library for past classes, Automatic timer integration, Review and edit class flow, Save and reuse workout templates, Instructor-first interface

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro Access (Instruct +) | $2.99 | per 7 days |
| Monthly Pro Access (Instruct +) | $7.99 | per month |


## Frequently asked questions

### Is Seconds Pro Interval Timer free?

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

### Is Instruct free?

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

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

Instruct is rated higher. Seconds Pro Interval Timer averages 4.8 out of 5 from 12K ratings, while Instruct averages 5.0 from 5 ratings.

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

Neither Seconds Pro Interval Timer nor Instruct shows ads.

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

Seconds Pro Interval Timer ships an update fortnightly, and Instruct every 2 months. Most recently, Seconds Pro Interval Timer was updated on October 14, 2026 and Instruct on September 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*