# Gymboss Interval Timer vs RunIntervals

Gymboss Interval Timer and RunIntervals both sit at 4.7 stars, but that hides the real split: 91% of RunIntervals's written reviews are positive against 37% of Gymboss Interval Timer's. RunIntervals also leads on iOS requirement (11.3 vs 15.0). Gymboss Interval Timer's advantage is update cadence (every 5 weeks vs every 3 months) and ratings volume (840 vs 146). On price, rating, ads and in-app purchases 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 RunIntervals sells 2 one-off in-app purchases. 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 RunIntervals. That said, the two scores are not equally well evidenced: Gymboss Interval Timer has 840 ratings behind it against 146, so its average is the more settled of the two. Written reviews are what separate them: 37% of Gymboss Interval Timer's written reviews are positive against 91% of RunIntervals's.

Gymboss Interval Timer ships an update every 5 weeks, RunIntervals every 3 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Gymboss Interval Timer | RunIntervals |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (840 ratings)](https://appshunter.io/ios/app/gymboss-interval-timer/id500887448/reviews)** | [4.7 (146 ratings)](https://appshunter.io/ios/app/runintervals/id1387917509/reviews) |
| Number of ratings | **840** | 146 |
| Positive reviews | 36.7% of reviews | **90.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 23 MB | 26 MB |
| Requires iOS | 15.0 | **11.3** |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Gymboss LLC](https://appshunter.io/developer/894157662) | [Robotic Jam LLC](https://appshunter.io/developer/1330538093) |

## 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


### RunIntervals

[App page](https://appshunter.io/ios/app/runintervals/id1387917509)

Set custom interval timers with voice or tone alerts. This app seamlessly integrates with your existing audio and fitness apps, pausing or lowering music volume to ensure you never miss an alert.

**Highlights:** Customizable interval durations, Voice and tone alerts, Music volume lowering, Spoken audio pausing, Works with other apps, No user data collection

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Big Tip | $2.99 | one-time |

**What reviewers like**

- 🚀 Perfect app
- 🚀 Great app
- 🚀 Simple and effective
- 🚀 Straightforward and easy to use
- 🚀 Does exactly what it needs to

**What reviewers complain about**

- 🐛 Does not work
- 🐛 Tones fail
- 🐛 Alerts don't work
- 🐛 Stops randomly
- 🐛 No sound on watch

**Reported bugs**

- Interval tones not working with podcast/music
- Interval tones not working on Apple Watch
- App randomly stops during workouts

**Requested features**

- Ability to swap run/walk intervals
- Option to start with walking
- Ability to set number of repeats
- Vibration alerts
- Longer interval options (up to 30/60/120 mins)


## Frequently asked questions

### Is Gymboss Interval Timer free?

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

### Is RunIntervals free?

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

### Which has better reviews, Gymboss Interval Timer or RunIntervals?

Gymboss Interval Timer is rated higher. Gymboss Interval Timer averages 4.7 out of 5 from 840 ratings, while RunIntervals averages 4.7 from 146 ratings.

### Do Gymboss Interval Timer or RunIntervals have ads?

Neither Gymboss Interval Timer nor RunIntervals shows ads.

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

Gymboss Interval Timer ships an update every 5 weeks, and RunIntervals every 3 months. Most recently, Gymboss Interval Timer was updated on November 6, 2026 and RunIntervals on November 2, 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.*