# Thetis Tools vs 電卓&ストップウォッチ

The clearest difference is ads: Thetis Tools at none against 電卓&ストップウォッチ's shown. Thetis Tools also leads on update cadence (every 7 months vs every 19 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Thetis Tools ships an update every 7 months, 電卓&ストップウォッチ every 19 months. The most recent releases landed on September 10, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Thetis Tools | 電卓&ストップウォッチ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 7 months** | Every 19 months |
| Monetization | — | Ad-supported |
| Size | 50 MB | 19 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thetis srl](https://appshunter.io/developer/397584184) | [Ametiar](https://appshunter.io/developer/1465452317) |

## What reviewers say

### Thetis Tools

[App page](https://appshunter.io/ios/app/thetis-tools/id1460268980)

**Features:** macOS Compatibility

**In-app purchases:** none


### 電卓&ストップウォッチ

[App page](https://appshunter.io/ios/app/and/id1465452318)

This app combines a stopwatch, numerical counter, and calculator into a single, easy-to-use interface. It allows for simultaneous operation of all three tools, simplifying daily tasks.

**Highlights:** Simultaneous operation, Stopwatch, Numerical counter, Calculator, Simple interface

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

**In-app purchases:** none


## Frequently asked questions

### Is Thetis Tools free?

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

### Is 電卓&ストップウォッチ free?

電卓&ストップウォッチ is free to download, with no in-app purchases.

### Do Thetis Tools or 電卓&ストップウォッチ have ads?

電卓&ストップウォッチ shows ads; Thetis Tools does not.

### Which is updated more often, Thetis Tools or 電卓&ストップウォッチ?

Thetis Tools ships an update every 7 months, and 電卓&ストップウォッチ every 19 months. Most recently, Thetis Tools was updated on September 10, 2026 and 電卓&ストップウォッチ on September 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.*