# Interval Timer Sec+Sec vs BurnSet Timer

The clearest difference is ads: BurnSet Timer at none against Interval Timer Sec+Sec's shown. BurnSet Timer also leads on update cadence (monthly vs every 12 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Interval Timer Sec+Sec ships an update every 12 months, BurnSet Timer monthly. The most recent releases landed on September 24, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Interval Timer Sec+Sec | BurnSet Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (13 ratings)](https://appshunter.io/ios/app/interval-timer-sec-plus-sec/id595618563/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Monthly** |
| Monetization | Ad-supported | — |
| Size | 12 MB | 22 MB |
| Requires iOS | 13 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [SHIGETO TAKAGI](https://appshunter.io/developer/519611619) | [超文 吴](https://appshunter.io/developer/1880025315) |

## What reviewers say

### Interval Timer Sec+Sec

[App page](https://appshunter.io/ios/app/interval-timer-sec-plus-sec/id595618563)

This free interval training timer app uses alarms and vibrations to mark specified second intervals. It automatically tracks repetitions and remembers your settings, making it ideal for High Intensity Interval Training (HIIT). Background operation is limited.

**Highlights:** Second-based interval timing, Alarm and vibration alerts, Repetition counter, Saves interval settings, Suitable for HIIT, Background operation limited

**Features:** Vision Pro support

**In-app purchases:** none


### BurnSet Timer

[App page](https://appshunter.io/ios/app/burnset-timer/id6762135863)

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

**In-app purchases:** none


## Frequently asked questions

### Is Interval Timer Sec+Sec free?

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

### Is BurnSet Timer free?

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

### Do Interval Timer Sec+Sec or BurnSet Timer have ads?

Interval Timer Sec+Sec shows ads; BurnSet Timer does not.

### Which is updated more often, Interval Timer Sec+Sec or BurnSet Timer?

Interval Timer Sec+Sec ships an update every 12 months, and BurnSet Timer monthly. Most recently, Interval Timer Sec+Sec was updated on September 24, 2026 and BurnSet Timer on September 9, 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.*