# Seconds Interval Timer vs Interval Walking Timer

The clearest difference is in-app purchases: Interval Walking Timer at none against Seconds Interval Timer's 1. Interval Walking Timer also leads on review sentiment (100% vs 75%) and iOS requirement (13.0 vs 18.0). Seconds Interval Timer's advantage is update cadence (monthly vs every 14 months). On price, ads and device support there is nothing between them.

Both are free to download. Seconds Interval Timer sells 1 one-off in-app purchase. Interval Walking Timer asks for nothing beyond the download.

Seconds Interval Timer ships an update monthly, Interval Walking Timer every 14 months. The most recent releases landed on September 25, 2026 and August 27, 2026 respectively.

## The numbers

| Metric | Seconds Interval Timer | Interval Walking Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (24K ratings)](https://appshunter.io/ios/app/seconds-interval-timer/id475816966/reviews)** | — |
| Number of ratings | **24K** | — |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 14 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 95 MB | 1 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Runloop Ltd](https://appshunter.io/developer/325563420) | [Takahiro Nakagawa](https://appshunter.io/developer/1770410772) |

## 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


### Interval Walking Timer

[App page](https://appshunter.io/ios/app/interval-walking-timer/id6717588783)

This app provides a simple timer for interval fast walking routines, automatically switching between slow and fast walking every 3 minutes. It offers real-time tracking of heart rate, distance, and time, with Apple Watch vibration notifications for mode changes. A summary screen displays post-workout metrics, and users can control music playback directly from the app.

**Highlights:** Interval timer for fast walking, Automatic mode switching (slow/fast walk), Apple Watch vibration notifications, Real-time heart rate, distance, and time display, Post-workout summary with key metrics, Music and podcast playback control

**In-app purchases:** none


## Frequently asked questions

### Is Seconds Interval Timer free?

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

### Is Interval Walking Timer free?

Interval Walking Timer is free to download, with no in-app purchases.

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

Neither Seconds Interval Timer nor Interval Walking Timer shows ads.

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

Seconds Interval Timer ships an update monthly, and Interval Walking Timer every 14 months. Most recently, Seconds Interval Timer was updated on September 25, 2026 and Interval Walking Timer on August 27, 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.*