# Seconds Interval Timer vs Pacer Fitness

The clearest difference is ratings volume: Seconds Interval Timer at 24K against Pacer Fitness's 306. Seconds Interval Timer also leads on review sentiment (75% vs 60%). Pacer Fitness's advantage is update cadence (every 9 days vs monthly) and iOS requirement (12.0 vs 18.0). On price, rating, 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 Pacer Fitness sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Seconds Interval Timer against 4.7 for Pacer Fitness. That said, the two scores are not equally well evidenced: Seconds Interval Timer has 24K ratings behind it against 306, so its average is the more settled of the two. Written reviews are what separate them: 75% of Seconds Interval Timer's written reviews are positive against 60% of Pacer Fitness's.

Seconds Interval Timer ships an update monthly, Pacer Fitness every 9 days. The most recent releases landed on September 30, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Seconds Interval Timer | Pacer Fitness |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (24K ratings)](https://appshunter.io/ios/app/seconds-interval-timer/id475816966/reviews) | [4.7 (306 ratings)](https://appshunter.io/ios/app/pacer-fitness-interval-timer/id701657891/reviews) |
| Number of ratings | **24K** | 306 |
| Positive reviews | **75.0% of reviews** | 60.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 95 MB | 132 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone, iPad, Apple Watch | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Runloop Ltd](https://appshunter.io/developer/325563420) | [Bright Mediums](https://appshunter.io/developer/575202166) |

## 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


### Pacer Fitness

[App page](https://appshunter.io/ios/app/pacer-fitness-interval-timer/id701657891)

This app provides a beautiful and intuitive interval timer to help you maximize your workouts. Easily create, customize, and share timers with friends, and enjoy seamless music integration. It's designed to help you reach your fitness goals faster.

**Highlights:** Intuitive interval timer visualization, Easy timer creation and customization, Apple Watch integration, Timer sharing with friends, Autostart workout feature, Seamless music integration, Featured workouts for beginners

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pacer Plus | $4.99 | one-time |

**What reviewers like**

- 👍 Intuitive and easy-to-use interface
- 🎨 Beautiful, clean, and visually appealing design
- ⚙️ Highly customizable timer configurations
- 🔊 Satisfying and audible sound notifications
- 💾 Ability to save and reuse custom timers

**What reviewers complain about**

- 💰 Misleading free-to-premium pricing model
- 🔐 Privacy concerns with Apple Health data syncing
- 🐛 App crashes when screen is locked
- 🐛 App stops when switching to other apps
- 📢 Excessive and intrusive advertisements

**Reported bugs**

- Intervals beyond the 8th one don't execute
- Example workout has broken intervals
- Apple Health sync toggle resets automatically
- Timer stops when phone screen is locked
- Timer stops when switching between apps

**Requested features**

- Auto-play functionality for continuous workouts
- Apple Watch app support
- GPS tracking for running workouts
- Adjustable countdown time (longer than 3 seconds)
- Ability to combine multiple timers in one workout


## Frequently asked questions

### Is Seconds Interval Timer free?

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

### Is Pacer Fitness free?

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

### Which has better reviews, Seconds Interval Timer or Pacer Fitness?

Seconds Interval Timer and Pacer Fitness are both rated 4.7 out of 5 on the App Store, from 24K and 306 ratings respectively.

### Do Seconds Interval Timer or Pacer Fitness have ads?

Neither Seconds Interval Timer nor Pacer Fitness shows ads.

### Which is updated more often, Seconds Interval Timer or Pacer Fitness?

Seconds Interval Timer ships an update monthly, and Pacer Fitness every 9 days. Most recently, Seconds Interval Timer was updated on September 30, 2026 and Pacer Fitness on September 26, 2026.

---

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