# Age Checker vs 時刻表ZERO

The clearest difference is in-app purchases: 時刻表ZERO at none against Age Checker's 1. 時刻表ZERO also leads on ads (none vs shown) and review sentiment (63% vs 33%). On price, update cadence and device support there is nothing between them.

Both are free to download. Age Checker sells 1 one-off in-app purchase. 時刻表ZERO asks for nothing beyond the download.

Age Checker ships an update every 3 months, 時刻表ZERO every 2 months. The most recent releases landed on November 2, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Age Checker | 時刻表ZERO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (11 ratings)](https://appshunter.io/ios/app/age-checker-age-calculation/id1343064999/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 33.3% of reviews | **62.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 28 MB | 11 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [mitsuhiro nara](https://appshunter.io/developer/908062910) | [Pipa.jp Ltd.](https://appshunter.io/developer/435469481) |

## What reviewers say

### Age Checker

[App page](https://appshunter.io/ios/app/age-checker-age-calculation/id1343064999)

Easily calculate your exact age, including full years and days elapsed since birth. It also shows days remaining until your next birthday and can store age information for multiple individuals. Ideal for quick age verification and personal tracking.

**Highlights:** Calculate full age, Calculate counting year, Display elapsed days, Display remaining days to next birthday, Store age information

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


### 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, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Quick startup
- 👍 Simple and easy to use
- 👍 Fast operation
- 👍 Convenient for checking train times
- 👍 Useful for planning travel

**What reviewers complain about**

- 🐛 Favorite screen not displaying
- 🐛 Outdated train schedules
- 🐛 Missing new train lines
- 🐛 Inaccurate train times
- 🐛 Unclear favorite station functionality

**Reported bugs**

- お気に入り画面が出ない (Favorite screen does not appear)
- 最後に見た画面がそのまま出る (Last viewed screen remains)
- 色分けやお気に入り駅の表示がされない (Color coding and favorite station display not shown)
- 宇都宮ライトレール線がない (Utsunomiya Light Rail line is missing)
- 京急は、エアポート急行が残っている (Keikyu still shows Airport Express)

**Requested features**

- Update train schedules regularly
- Include all train lines
- Reflect latestダイヤ改正 (schedule changes)
- Add a dedicated favorite list screen
- Improve display of train types and destinations


## Frequently asked questions

### Is Age Checker free?

Age Checker is free to download, with in-app purchases available.

### Is 時刻表ZERO free?

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

### Do Age Checker or 時刻表ZERO have ads?

Age Checker shows ads; 時刻表ZERO does not.

### Which is updated more often, Age Checker or 時刻表ZERO?

Age Checker ships an update every 3 months, and 時刻表ZERO every 2 months. Most recently, Age Checker was updated on November 2, 2026 and 時刻表ZERO on November 6, 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.*