# Interval Timer Sec+Sec vs Track Barber

The clearest difference is in-app purchases: Interval Timer Sec+Sec at none against Track Barber's 3. Interval Timer Sec+Sec also leads on iOS requirement (13 vs 15.0). Track Barber's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 12 months). On price and device support there is nothing between them.

Both are free to download. Track Barber sells 3 in-app purchases, starting at $1.99 per 7 days. Interval Timer Sec+Sec asks for nothing beyond the download.

Interval Timer Sec+Sec ships an update every 12 months, Track Barber every 2 weeks. The most recent releases landed on October 11, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Interval Timer Sec+Sec | Track Barber |
| --- | --- | --- |
| 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** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Every 2 weeks** |
| Monetization | Ad-supported | — |
| Size | 12 MB | 39 MB |
| Requires iOS | **13** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SHIGETO TAKAGI](https://appshunter.io/developer/519611619) | [Achraf Wahid](https://appshunter.io/developer/1867944460) |

## 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


### Track Barber

[App page](https://appshunter.io/ios/app/track-barber/id6757723615)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscription | $1.99 | per 7 days |
| Monthly subscription | $8.99 | per month |
| Yearly subscription | $89.99 | per year |


## Frequently asked questions

### Is Interval Timer Sec+Sec free?

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

### Is Track Barber free?

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

### Do Interval Timer Sec+Sec or Track Barber have ads?

Interval Timer Sec+Sec shows ads; Track Barber does not.

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

Interval Timer Sec+Sec ships an update every 12 months, and Track Barber every 2 weeks. Most recently, Interval Timer Sec+Sec was updated on October 11, 2026 and Track Barber on October 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.*