# Quick Power Nap Timer vs 電卓：履歴が残る・式が見える計算機

Quick Power Nap Timer and 電卓：履歴が残る・式が見える計算機 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Quick Power Nap Timer sells 1 one-off in-app purchase and 電卓：履歴が残る・式が見える計算機 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Quick Power Nap Timer ships an update every 3 weeks, 電卓：履歴が残る・式が見える計算機 every 2 weeks. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Quick Power Nap Timer | 電卓：履歴が残る・式が見える計算機 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 12 MB | 31 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IPPEI NAGAMINE](https://appshunter.io/developer/1860723239) | [Miyuki Fujirai](https://appshunter.io/developer/1838371790) |

## What reviewers say

### Quick Power Nap Timer

[App page](https://appshunter.io/ios/app/quick-power-nap-timer/id6757683057)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### 電卓：履歴が残る・式が見える計算機

[App page](https://appshunter.io/ios/app/id6757992389)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Quick Power Nap Timer free?

Quick Power Nap Timer is free to download, with in-app purchases available.

### Is 電卓：履歴が残る・式が見える計算機 free?

電卓：履歴が残る・式が見える計算機 is free to download, with in-app purchases available.

### Do Quick Power Nap Timer or 電卓：履歴が残る・式が見える計算機 have ads?

Both Quick Power Nap Timer and 電卓：履歴が残る・式が見える計算機 show ads.

### Which is updated more often, Quick Power Nap Timer or 電卓：履歴が残る・式が見える計算機?

Quick Power Nap Timer ships an update every 3 weeks, and 電卓：履歴が残る・式が見える計算機 every 2 weeks. Most recently, Quick Power Nap Timer was updated on October 31, 2026 and 電卓：履歴が残る・式が見える計算機 on October 25, 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.*