# Seconds Interval Timer vs Chime

The clearest difference is in-app purchases: Chime at none against Seconds Interval Timer's 1. Seconds Interval Timer's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

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

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Seconds Interval Timer | Chime |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (24K ratings)](https://appshunter.io/ios/app/seconds-interval-timer/id475816966/reviews)** | — |
| Number of ratings | **24K** | — |
| Positive reviews | 74.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 99 MB | 7 MB |
| Requires iOS | 18.0 | **17** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Runloop Ltd](https://appshunter.io/developer/325563420) | [Kunal Parmar](https://appshunter.io/developer/1886107560) |

## What reviewers say

### Seconds Interval Timer

[App page](https://appshunter.io/ios/app/seconds-interval-timer/id475816966)

This interval timer app helps you build and run custom workouts for HIIT, Tabata, and circuits. It provides voice cues, runs in the background, and syncs with Apple Watch. Save workouts to Apple Health and track calories burned.

**Highlights:** Build custom timers for any workout, Voice cues for intervals, Runs in background with screen off, Syncs with Apple Watch, Color-coded interval display, Save workouts to Apple Health, Play music with cues

**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


### Chime

[App page](https://appshunter.io/ios/app/chime-interval-workout-timer/id6760760136)

**Features:** macOS Compatibility

**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 Chime free?

Chime is free to download, with no in-app purchases.

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

Neither Seconds Interval Timer nor Chime shows ads.

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

Seconds Interval Timer ships an update monthly, and Chime monthly. Most recently, Seconds Interval Timer was updated on November 9, 2026 and Chime on November 5, 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.*