# Seconds Interval Timer vs GymTimer

The clearest difference is ads: Seconds Interval Timer at none against GymTimer's shown. Seconds Interval Timer also leads on ratings volume (24K vs 2) and device support (3 vs 1). GymTimer's advantage is update cadence (every 4 days vs monthly) and review sentiment (100% vs 75%). On price, in-app purchases, monetization model and iOS requirement there is nothing between them.

Both are free to download. Seconds Interval Timer sells 1 one-off in-app purchase and GymTimer sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

GymTimer holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Seconds Interval Timer has 24K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 75% of Seconds Interval Timer's written reviews are positive against 100% of GymTimer's.

Seconds Interval Timer ships an update monthly, GymTimer every 4 days. The most recent releases landed on October 3, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Seconds Interval Timer | GymTimer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (24K ratings)](https://appshunter.io/ios/app/seconds-interval-timer/id475816966/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/gymtimer-workout-timer/id6792610762/reviews)** |
| Number of ratings | **24K** | 2 |
| Positive reviews | 74.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 95 MB | 69 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Runloop Ltd](https://appshunter.io/developer/325563420) | [Crystal Interactive Entertainment LLC](https://appshunter.io/developer/6792610764) |

## 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


### GymTimer

[App page](https://appshunter.io/ios/app/gymtimer-workout-timer/id6792610762)

Create and follow custom interval workouts for HIIT, Tabata, and circuits. Track progress, set goals, and earn rewards. Personalize your timer and sync data across devices with an optional subscription.

**Highlights:** Customizable work/rest intervals, Full-screen clear timer display, Workout history and progress tracking, Daily workout goals and streaks, Workout favorites and reminders, Cloud sync with Crystal ID

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $4.99 | per year |


## Frequently asked questions

### Is Seconds Interval Timer free?

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

### Is GymTimer free?

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

### Which has better reviews, Seconds Interval Timer or GymTimer?

GymTimer is rated higher. Seconds Interval Timer averages 4.7 out of 5 from 24K ratings, while GymTimer averages 5.0 from 2 ratings.

### Do Seconds Interval Timer or GymTimer have ads?

GymTimer shows ads; Seconds Interval Timer does not.

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

Seconds Interval Timer ships an update monthly, and GymTimer every 4 days. Most recently, Seconds Interval Timer was updated on October 3, 2026 and GymTimer on September 22, 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.*