# Interval Timer Sec+Sec vs Big Timer

The clearest difference is review sentiment: Interval Timer Sec+Sec at 78% against Big Timer's 20%. Interval Timer Sec+Sec also leads on rating (3.7 vs 3.0) and iOS requirement (13 vs 15.6). Big Timer's advantage is update cadence (every 2 months vs every 12 months). On price, ratings volume, ads and in-app purchases 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 holds the better App Store score, 3.7 against 3.0. Both are backed by a comparable volume of ratings — 13 and 6 respectively. Written reviews point the same way: 78% of Interval Timer Sec+Sec's written reviews are positive against 20% of Big Timer's.

Interval Timer Sec+Sec ships an update every 12 months, Big Timer every 2 months. The most recent releases landed on September 24, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Interval Timer Sec+Sec | Big Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (13 ratings)](https://appshunter.io/ios/app/interval-timer-sec-plus-sec/id595618563/reviews)** | [3.0 (6 ratings)](https://appshunter.io/ios/app/big-timer-simple/id1619061460/reviews) |
| Number of ratings | **13** | 6 |
| Positive reviews | **77.8% of reviews** | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 12 months | **Every 2 months** |
| Monetization | Ad-supported | Ad-supported |
| Size | 12 MB | 13 MB |
| Requires iOS | **13** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SHIGETO TAKAGI](https://appshunter.io/developer/519611619) | [Ryouhei Azuma](https://appshunter.io/developer/1353297781) |

## 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


### Big Timer

[App page](https://appshunter.io/ios/app/big-timer-simple/id1619061460)

This utility app features large, easy-to-read text for simple stopwatch and countdown timer functions. It's designed for quick visibility from a distance, making it ideal for straightforward timekeeping needs.

**Highlights:** Large, easy-to-read display, Stopwatch functionality, Countdown timer functionality, Simple interface

**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 Big Timer free?

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

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

Interval Timer Sec+Sec is rated higher. Interval Timer Sec+Sec averages 3.7 out of 5 from 13 ratings, while Big Timer averages 3.0 from 6 ratings.

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

Both Interval Timer Sec+Sec and Big Timer show ads.

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

Interval Timer Sec+Sec ships an update every 12 months, and Big Timer every 2 months. Most recently, Interval Timer Sec+Sec was updated on September 24, 2026 and Big Timer on September 20, 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.*