# Interval Timer Sec+Sec vs Training Timer

The clearest difference is ads: Training Timer at none against Interval Timer Sec+Sec's shown. Training Timer also leads on update cadence (every 11 days 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, Training Timer every 11 days. The most recent releases landed on October 11, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Interval Timer Sec+Sec | Training 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 | **Every 11 days** |
| Monetization | Ad-supported | — |
| Size | 12 MB | 8 MB |
| Requires iOS | 13 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SHIGETO TAKAGI](https://appshunter.io/developer/519611619) | [Changsha Xinke Information Technology Co., Ltd.](https://appshunter.io/developer/1539250691) |

## 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


### Training Timer

[App page](https://appshunter.io/ios/app/training-timer-hiit-and-tabata/id1539252574)

**Features:** macOS Compatibility

**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 Training Timer free?

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

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

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

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

Interval Timer Sec+Sec ships an update every 12 months, and Training Timer every 11 days. Most recently, Interval Timer Sec+Sec was updated on October 11, 2026 and Training Timer on October 3, 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.*