# napper vs ５秒ルールタイマー

The clearest difference is price: ５秒ルールタイマー at Free against napper's $1.99. ５秒ルールタイマー also leads on in-app purchases (none vs 1) and ads (none vs shown). napper's advantage is update cadence (daily vs every 3 days) and iOS requirement (11.0 vs 17.0). On device support there is nothing between them.

５秒ルールタイマー is free to download; napper costs $1.99 up front. napper sells 1 one-off in-app purchase. ５秒ルールタイマー asks for nothing beyond the download.

napper ships an update daily, ５秒ルールタイマー every 3 days. The most recent releases landed on October 4, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | napper | ５秒ルールタイマー |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 3 days |
| Size | 45 MB | 0 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Mitsuhiro Ogata](https://appshunter.io/developer/1709953221) | [TOMOKI TAKEYAMA](https://appshunter.io/developer/1784442344) |

## What reviewers say

### napper

[App page](https://appshunter.io/ios/app/napper/id6468482248)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 開発者のエナジードリンク代になります！ | $0.49 | one-time |


### ５秒ルールタイマー

[App page](https://appshunter.io/ios/app/id6739349471)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is napper free?

napper costs $1.99, and also offers in-app purchases.

### Is ５秒ルールタイマー free?

５秒ルールタイマー is free to download, with no in-app purchases.

### Do napper or ５秒ルールタイマー have ads?

napper shows ads; ５秒ルールタイマー does not.

### Which is updated more often, napper or ５秒ルールタイマー?

napper ships an update daily, and ５秒ルールタイマー every 3 days. Most recently, napper was updated on October 4, 2026 and ５秒ルールタイマー on September 30, 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.*