# O'der stack vs 電卓&ストップウォッチ

The clearest difference is in-app purchases: 電卓&ストップウォッチ at none against O'der stack's 3. 電卓&ストップウォッチ also leads on iOS requirement (13.0 vs 15.6). O'der stack's advantage is ads (none vs shown) and update cadence (every 3 months vs every 19 months). On price and device support there is nothing between them.

Both are free to download. O'der stack sells 3 one-off in-app purchases. 電卓&ストップウォッチ asks for nothing beyond the download.

O'der stack ships an update every 3 months, 電卓&ストップウォッチ every 19 months. The most recent releases landed on September 13, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | O'der stack | 電卓&ストップウォッチ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 19 months |
| Monetization | — | Ad-supported |
| Size | 59 MB | 19 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ICT Fractal Inc.](https://appshunter.io/developer/473613262) | [Ametiar](https://appshunter.io/developer/1465452317) |

## What reviewers say

### O'der stack

[App page](https://appshunter.io/ios/app/oder-stack/id1449798272)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Free trial for 7 days. | Free | one-time |
| Activate for 1 month. | $0.99 | one-time |
| Activate for year. | $9.99 | one-time |


### 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 O'der stack free?

O'der stack is free to download, with in-app purchases available.

### 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 O'der stack 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; O'der stack does not.

### Which is updated more often, O'der stack or 電卓&ストップウォッチ?

O'der stack ships an update every 3 months, and 電卓&ストップウォッチ every 19 months. Most recently, O'der stack was updated on September 13, 2026 and 電卓&ストップウォッチ on September 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*