# 時刻表ZERO vs 安心ナビ

The clearest difference is update cadence: 時刻表ZERO at every 2 months against 安心ナビ's every 6 months. 時刻表ZERO also leads on iOS requirement (11.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

時刻表ZERO ships an update every 2 months, 安心ナビ every 6 months. The most recent releases landed on June 8, 2026 and August 16, 2026 respectively.

## The numbers

| Metric | 時刻表ZERO | 安心ナビ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 64.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Free | — |
| Size | 11 MB | 125 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Pipa.jp Ltd.](https://appshunter.io/developer/435469481) | [YoungJun Kang](https://appshunter.io/developer/1781905547) |

## What reviewers say

### 時刻表ZERO

[App page](https://appshunter.io/ios/app/zero/id1474329285)

This app provides the fastest display of your usual train timetable upon launch. It eliminates morning frustration by instantly showing your preferred station and direction's schedule. Designed for speed, it removes all unnecessary features.

**Highlights:** Instant timetable display, Favorite station and direction setting, Ultra-fast loading, Minimalist design, Eliminates unnecessary features

**Features:** macOS Compatibility

**In-app purchases:** none


### 安心ナビ

[App page](https://appshunter.io/ios/app/id6738698620)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 時刻表ZERO free?

時刻表ZERO is free to download, with no in-app purchases.

### Is 安心ナビ free?

安心ナビ is free to download, with no in-app purchases.

### Do 時刻表ZERO or 安心ナビ have ads?

Neither 時刻表ZERO nor 安心ナビ shows ads.

### Which is updated more often, 時刻表ZERO or 安心ナビ?

時刻表ZERO ships an update every 2 months, and 安心ナビ every 6 months. Most recently, 時刻表ZERO was updated on June 8, 2026 and 安心ナビ on August 16, 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.*