# Interval Timer Sec+Sec vs AKintai

The clearest difference is rating: AKintai at 5.0 against Interval Timer Sec+Sec's 3.7. AKintai also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 12 months). Interval Timer Sec+Sec's advantage is ratings volume (13 vs 1) and iOS requirement (13 vs 15.0). 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.

AKintai holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: Interval Timer Sec+Sec has 13 ratings behind it against 1, so its average is the more settled of the two.

Interval Timer Sec+Sec ships an update every 12 months, AKintai every 2 weeks. The most recent releases landed on October 11, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Interval Timer Sec+Sec | AKintai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (13 ratings)](https://appshunter.io/ios/app/interval-timer-sec-plus-sec/id595618563/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/akintai/id1510672528/reviews)** |
| Number of ratings | **13** | 1 |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Every 2 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 12 MB | 7 MB |
| Requires iOS | **13** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SHIGETO TAKAGI](https://appshunter.io/developer/519611619) | [AJIS(DALIAN) CO., LTD.](https://appshunter.io/developer/1450770335) |

## 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


### AKintai

[App page](https://appshunter.io/ios/app/akintai/id1510672528)

This app allows users to log their work hours, upload photos, and receive important announcements. It's designed for efficient time tracking and communication within a workplace.

**Highlights:** Time entry logging, Photo uploads, Announcement notifications, Workplace communication

**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 AKintai free?

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

### Which has better reviews, Interval Timer Sec+Sec or AKintai?

AKintai is rated higher. Interval Timer Sec+Sec averages 3.7 out of 5 from 13 ratings, while AKintai averages 5.0 from 1 ratings.

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

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

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

Interval Timer Sec+Sec ships an update every 12 months, and AKintai every 2 weeks. Most recently, Interval Timer Sec+Sec was updated on October 11, 2026 and AKintai on October 14, 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.*