Age Checker vs 時刻表ZERO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Age Checker
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.
- Calculate full age
- Calculate counting year
- Display elapsed days
- Display remaining days to next birthday
- Store age information
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Age checker is an age calculation tool that you can easily check "how old are you?" And "how old are you then?" When you enter your birthday and base date (today) you can see how old you are with "full age" and "count year". ◎ Example of age calculation · Age written in resume · Age of passport · Confirmation of annoyance · Check the age of employees · Age verification of animated character · Celebrity's age check · Age verification at the time of submitting documents and reports · Age verification at the time of ceremonial occasion · Age verification for family tree creation · Age check of milestones to celebrate longevity ◎ Main functions · Display of "full age" and "counting year" · Display of elapsed days since birth · Display remaining days until the next birthday · Age information storage function
時刻表ZERO
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.
- Instant timetable display
- Favorite station and direction setting
- Ultra-fast loading
- Minimalist design
- Eliminates unnecessary features
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お気に入り登録してアプリを起動した瞬間いつもの駅の時刻表を最速表示。 朝のイライラもゼロにします! いつも使う駅のいつもの方面の時刻表を最速表示するアプリです。 アプリを起動した瞬間、いつもの時刻表が超高速表示されます。 表示する駅の設定は初めて使う時に駅と方面を指定するだけ。 余計な機能は全て削ぎ落としました。全ては最速のために。
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Age Checker | 時刻表ZERO |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (11 ratings) — better | — |
| Positive reviews | 33.3% of reviews | 62.7% of reviews — better |
| Number of ratings | 11 — better | — |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 28 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | mitsuhiro nara | Pipa.jp Ltd. |
Customer experience
Age Checker
時刻表ZERO
Bugs and requests
Age Checker
Not enough reviews yet to summarise bugs or requests.
時刻表ZERO
Reported bugs
14 issues- 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)
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- ダイヤが古い (Schedules are old)
- 全然違う (Completely different)
- 改正も反映されておらず (Changes not reflected)
- 地名も北海道からしかできず (Location selection limited to Hokkaido)
- 駅が表示されない (Stations are not displayed)
- 時間に電車が来ませんでした (Train did not arrive on time)
- お気に入り一覧が表示されませんでした (Favorite list was not displayed)
- お気に入りはどのように表示されますか? (How are favorites displayed?)
- 出てこない… (It doesn't appear...)
Requested features
6 requests- 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
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- Allow selection of stations nationwide
In-app purchases
Age Checker
- Remove Ads$3.99
時刻表ZERO
No in-app purchases









