# Interval Timer Sec+Sec vs mirurun

The clearest difference is in-app purchases: mirurun at none against Interval Timer Sec+Sec's 1. mirurun also leads on ads (none vs shown) and update cadence (every 10 days vs every 12 months). Interval Timer Sec+Sec's advantage is iOS requirement (13 vs 15.0). On price and device support there is nothing between them.

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

Interval Timer Sec+Sec ships an update every 12 months, mirurun every 10 days. The most recent releases landed on October 20, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Interval Timer Sec+Sec | mirurun |
| --- | --- | --- |
| 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 | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Every 10 days** |
| Monetization | Ad-supported | — |
| Size | 12 MB | 2 MB |
| Requires iOS | **13** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [SHIGETO TAKAGI](https://appshunter.io/developer/519611619) | [YUSUKE MIZUNO](https://appshunter.io/developer/1729948508) |

## 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 (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### mirurun

[App page](https://appshunter.io/ios/app/mirurun/id6751216709)

**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 in-app purchases available.

### Is mirurun free?

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

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

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

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

Interval Timer Sec+Sec ships an update every 12 months, and mirurun every 10 days. Most recently, Interval Timer Sec+Sec was updated on October 20, 2026 and mirurun on October 8, 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.*