# Seconds Pro Interval Timer vs ZIN Play

The clearest difference is price: ZIN Play at Free against Seconds Pro Interval Timer's $7.99. ZIN Play also leads on iOS requirement (15.0 vs 18.0). Seconds Pro Interval Timer's advantage is review sentiment (80% vs 53%) and chart position (#11 vs unranked). On rating, ratings volume, update cadence and ads there is nothing between them.

ZIN Play 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.

On the App Store both sit at effectively the same score — 4.8 for Seconds Pro Interval Timer against 4.7 for ZIN Play. Both are backed by a comparable volume of ratings — 12K and 6.7K respectively. Written reviews are what separate them: 80% of Seconds Pro Interval Timer's written reviews are positive against 53% of ZIN Play's.

Seconds Pro Interval Timer ships an update fortnightly, ZIN Play every 2 weeks. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Seconds Pro Interval Timer | ZIN Play |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | **[4.8 (12K ratings)](https://appshunter.io/ios/app/seconds-pro-interval-timer/id363978811/reviews)** | [4.7 (6.7K ratings)](https://appshunter.io/ios/app/zin-play/id1198240409/reviews) |
| Number of ratings | **12K** | 6.7K |
| Positive reviews | **79.9% of reviews** | 53.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Paid | **Free** |
| Best chart rank | **#11** | — |
| Size | 94 MB | 101 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Runloop Ltd](https://appshunter.io/developer/325563420) | [Zumba® Fitness](https://appshunter.io/developer/628664480) |

## What reviewers say

### Seconds Pro Interval Timer

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

**Currently charting:** #11 Top Paid · Health & Fitness (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


### ZIN Play

[App page](https://appshunter.io/ios/app/zin-play/id1198240409)

Access your music library and get personalized song suggestions. Customize tracks with sound effects and trimming. Enjoy offline access to playlists and exclusive content.

**Highlights:** Access music library, Song suggestions, Track customization, Offline playlist access, Exclusive content access, Search by keyword, rhythm, BPM

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to access content
- 🚀 Continuous music playback
- 💡 Ability to customize playlists
- 👍 Helpful for class preparation

**What reviewers complain about**

- 🐛 App crashes or freezes
- 🐛 Unreliable song playback
- 🐛 Inconsistent volume levels
- 🐛 Logging out issues

**Reported bugs**

- Songs not playing from playlists
- App not recognizing Apple Watch controls
- Incompatibility with certain iOS versions
- Unexpected log-outs during classes

**Requested features**

- Integrate with other music services (e.g. Spotify)
- Add option to change song playback speed
- Improve offline functionality and song downloads
- Enhance video viewing experience (e.g. change camera angles)


## Frequently asked questions

### Is Seconds Pro Interval Timer free?

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

### Is ZIN Play free?

ZIN Play is free to download, with no in-app purchases.

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

Seconds Pro Interval Timer is rated higher. Seconds Pro Interval Timer averages 4.8 out of 5 from 12K ratings, while ZIN Play averages 4.7 from 6.7K ratings.

### Do Seconds Pro Interval Timer or ZIN Play have ads?

Neither Seconds Pro Interval Timer nor ZIN Play shows ads.

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

Seconds Pro Interval Timer ships an update fortnightly, and ZIN Play every 2 weeks. Most recently, Seconds Pro Interval Timer was updated on September 24, 2026 and ZIN Play on September 23, 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.*