# Gymboss Interval Timer vs Pacer Fitness

Gymboss Interval Timer and Pacer Fitness both sit at 4.7 stars, but that hides the real split: 61% of Pacer Fitness's written reviews are positive against 37% of Gymboss Interval Timer's. Pacer Fitness also leads on update cadence (every 9 days vs every 5 weeks) and iOS requirement (12.0 vs 15.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Gymboss Interval Timer sells 3 in-app purchases, starting at $1.99 per year 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 Gymboss Interval Timer against 4.7 for Pacer Fitness. Both are backed by a comparable volume of ratings — 840 and 306 respectively. Written reviews are what separate them: 37% of Gymboss Interval Timer's written reviews are positive against 61% of Pacer Fitness's.

Gymboss Interval Timer ships an update every 5 weeks, Pacer Fitness every 9 days. Both last shipped on November 6, 2026.

## The numbers

| Metric | Gymboss Interval Timer | Pacer Fitness |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (840 ratings)](https://appshunter.io/ios/app/gymboss-interval-timer/id500887448/reviews) | **[4.7 (306 ratings)](https://appshunter.io/ios/app/pacer-fitness-interval-timer/id701657891/reviews)** |
| Number of ratings | **840** | 306 |
| Positive reviews | 36.7% of reviews | **60.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 23 MB | 132 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Gymboss LLC](https://appshunter.io/developer/894157662) | [Bright Mediums](https://appshunter.io/developer/575202166) |

## What reviewers say

### Gymboss Interval Timer

[App page](https://appshunter.io/ios/app/gymboss-interval-timer/id500887448)

This app provides a customizable interval timer for various workouts, allowing users to set single or multiple work and rest periods. It offers extensive customization options for alarms, program saving, and display, ensuring a tailored timing experience for any fitness routine.

**Highlights:** Programmable interval timer, Unlimited intervals and rounds, Save and manage unlimited programs, Visual, audible, and vibrate alarms, Music access and dimming, Customizable display and background

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gymboss Premium Yearly | $1.99 | per year |
| Remove Ads | $0.99 | one-time |
| Sound and Color Bundle | $0.99 | one-time |

**What reviewers like**

- 🚀 Simple yet effective
- 🚀 Perfect gym partner
- 🚀 Grad App
- 🚀 Great
- 🚀 Simple easy to plan and workout

**What reviewers complain about**

- 🐛 Clear data
- 🐛 Glitchy
- 🐛 Another buggy update
- 🐛 Landscape / portrait bugs
- 🐛 Sagging under bugs

**Reported bugs**

- Timer no longer beeps when screen is locked or app is in background
- Intervals disappear or get shuffled after updates
- Unable to save new workouts
- All workout sounds have gone
- Crashes when trying to edit intervals

**Requested features**

- Verbal prompts like a countdown "3-2-1 Go!" and "3-2-1 Rest"
- Ability to lock the screen
- Option to see what's coming next
- Workout block of 60/30/30 rather than just high and low
- Ability to start from partway through the sequence


### 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 Gymboss Interval Timer free?

Gymboss 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, Gymboss Interval Timer or Pacer Fitness?

Pacer Fitness is rated higher. Gymboss Interval Timer averages 4.7 out of 5 from 840 ratings, while Pacer Fitness averages 4.7 from 306 ratings.

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

Neither Gymboss Interval Timer nor Pacer Fitness shows ads.

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

Gymboss Interval Timer ships an update every 5 weeks, and Pacer Fitness every 9 days. Most recently, Gymboss Interval Timer was updated on November 6, 2026 and Pacer Fitness on November 6, 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.*