# ５秒ルールタイマー vs Reverse Diary

The clearest difference is in-app purchases: ５秒ルールタイマー at none against Reverse Diary's 1. Reverse Diary's advantage is iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Reverse Diary sells 1 one-off in-app purchase. ５秒ルールタイマー asks for nothing beyond the download.

## The numbers

| Metric | ５秒ルールタイマー | Reverse Diary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Size | 0 MB | 28 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [TOMOKI TAKEYAMA](https://appshunter.io/developer/1784442344) | [Motoki Yoshikawa](https://appshunter.io/developer/1826254197) |

## What reviewers say

### ５秒ルールタイマー

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Reverse Diary

[App page](https://appshunter.io/ios/app/reverse-diary-am-planpm-log/id6748954456)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reverse Diary | $2.99 | one-time |


## Frequently asked questions

### 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.

### Is Reverse Diary free?

Reverse Diary is free to download, with in-app purchases available.

### Do ５秒ルールタイマー or Reverse Diary have ads?

Neither ５秒ルールタイマー nor Reverse Diary shows ads.

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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.*