# ITOS Self3 vs Stopwatch & Countdown

The clearest difference is in-app purchases: ITOS Self3 at none against Stopwatch & Countdown's 3. ITOS Self3 also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.6). Stopwatch & Countdown's advantage is device support (3 vs 1). On price and update cadence there is nothing between them.

Both are free to download. Stopwatch & Countdown sells 3 in-app purchases, starting at $0.99 per month. ITOS Self3 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 16, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | ITOS Self3 | Stopwatch & Countdown |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.1 (7 ratings)](https://appshunter.io/ios/app/stopwatch-and-countdown/id1569326633/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 41.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | — | Free with in-app purchases |
| Size | 15 MB | 41 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ITOS Inc](https://appshunter.io/developer/931339182) | [NAOYA ONO](https://appshunter.io/developer/1530328146) |

## What reviewers say

### ITOS Self3

[App page](https://appshunter.io/ios/app/itos-self3/id1163101659)

**Features:** macOS Compatibility

**In-app purchases:** none


### Stopwatch & Countdown

[App page](https://appshunter.io/ios/app/stopwatch-and-countdown/id1569326633)

This utility app provides a large-display stopwatch and a versatile countdown timer. Its simple interface allows for easy operation, making it suitable for various activities like sports and timed games. Customize colors and display elements for a personalized experience.

**Highlights:** Large-display stopwatch, Countdown timer function, Customizable colors, Adjustable display elements (hours, minutes, seconds), Simple and intuitive operation, Suitable for sports and games

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan | $0.99 | per month |
| Support Developer | $0.99 | one-time |
| Remove ads | $24.99 | one-time |


## Frequently asked questions

### Is ITOS Self3 free?

ITOS Self3 is free to download, with no in-app purchases.

### Is Stopwatch & Countdown free?

Stopwatch & Countdown is free to download, with in-app purchases available.

### Do ITOS Self3 or Stopwatch & Countdown have ads?

Stopwatch & Countdown shows ads; ITOS Self3 does not.

### Which is updated more often, ITOS Self3 or Stopwatch & Countdown?

ITOS Self3 ships an update every 3 months, and Stopwatch & Countdown every 3 months. Most recently, ITOS Self3 was updated on September 16, 2026 and Stopwatch & Countdown on September 7, 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.*