Interval Timer Sec+Sec vs AKintai
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Interval Timer Sec+Sec
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.
- Second-based interval timing
- Alarm and vibration alerts
- Repetition counter
- Saves interval settings
- Suitable for HIIT
- Background operation limited
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Simple free interval training timer application that alarm and vibration at the time specified in seconds. After the set time has elapsed, it counts the number of repetitions. Since it keeps the specified seconds setting, it is no need to set the seconds every time. The behavior in the background is limited. For High Intensity Interval Training (HIIT).
AKintai
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.
- Time entry logging
- Photo uploads
- Announcement notifications
- Workplace communication
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「AKintai」勤怠時間の入力、写真をアップ、お知らせなどの機能が含まれる。
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Interval Timer Sec+Sec | AKintai |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (13 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 77.8% of reviews | — |
| Number of ratings | 13 — better | 1 |
| Update frequency | Every 12 months | Every 2 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13 — better | 15.0 |
| Further details — not scored | ||
| Size | 12 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | SHIGETO TAKAGI | AJIS(DALIAN) CO., LTD. |
Customer experience
Interval Timer Sec+Sec
AKintai
In-app purchases
Interval Timer Sec+Sec
No in-app purchases
AKintai
No in-app purchases
Questions
Is Interval Timer Sec+Sec free?
Is AKintai free?
Which has better reviews, Interval Timer Sec+Sec or AKintai?
Do Interval Timer Sec+Sec or AKintai have ads?
Which is updated more often, Interval Timer Sec+Sec or AKintai?
Other comparisons
