# メモリ電卓 vs Seconds Clock by Live Seconds

The clearest difference is price: メモリ電卓 at Free against Seconds Clock by Live Seconds's $1.99. メモリ電卓 also leads on iOS requirement (15.0 vs 18.0). Seconds Clock by Live Seconds's advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence and device support there is nothing between them.

メモリ電卓 is free to download; Seconds Clock by Live Seconds costs $1.99 up front. メモリ電卓 sells 1 one-off in-app purchase. Seconds Clock by Live Seconds asks for nothing beyond the download.

メモリ電卓 ships an update every 5 days, Seconds Clock by Live Seconds every 4 days. The most recent releases landed on November 8, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | メモリ電卓 | Seconds Clock by Live Seconds |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | **Every 4 days** |
| Size | 23 MB | 8 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ITOTSUKA](https://appshunter.io/developer/1780261746) | [宗民 于](https://appshunter.io/developer/1896763473) |

## What reviewers say

### メモリ電卓

[App page](https://appshunter.io/ios/app/id6761058403)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告の非表示 | $0.99 | one-time |


### Seconds Clock by Live Seconds

[App page](https://appshunter.io/ios/app/seconds-clock-by-live-seconds/id6779098109)

**Features:** iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is メモリ電卓 free?

メモリ電卓 is free to download, with in-app purchases available.

### Is Seconds Clock by Live Seconds free?

Seconds Clock by Live Seconds costs $1.99, with no in-app purchases.

### Do メモリ電卓 or Seconds Clock by Live Seconds have ads?

メモリ電卓 shows ads; Seconds Clock by Live Seconds does not.

### Which is updated more often, メモリ電卓 or Seconds Clock by Live Seconds?

メモリ電卓 ships an update every 5 days, and Seconds Clock by Live Seconds every 4 days. Most recently, メモリ電卓 was updated on November 8, 2026 and Seconds Clock by Live Seconds on November 10, 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.*
