# Interval Timer Sec+Sec vs 모닝보이스

The clearest difference is ads: 모닝보이스 at none against Interval Timer Sec+Sec's shown. 모닝보이스 also leads on update cadence (every 6 days vs every 12 months). Interval Timer Sec+Sec's advantage is iOS requirement (13 vs 26.0). On price, in-app purchases and device support 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, 모닝보이스 every 6 days. The most recent releases landed on October 11, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Interval Timer Sec+Sec | 모닝보이스 |
| --- | --- | --- |
| 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 6 days** |
| Monetization | Ad-supported | — |
| Size | 12 MB | 30 MB |
| Requires iOS | **13** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SHIGETO TAKAGI](https://appshunter.io/developer/519611619) | [woobyeong jeong](https://appshunter.io/developer/1724585459) |

## 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


### 모닝보이스

[App page](https://appshunter.io/ios/app/id6781772401)

**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 모닝보이스 free?

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

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

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

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

Interval Timer Sec+Sec ships an update every 12 months, and 모닝보이스 every 6 days. Most recently, Interval Timer Sec+Sec was updated on October 11, 2026 and 모닝보이스 on September 29, 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.*