Comparison

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.

Head to head
About

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.

Highlights
  • Calculate full age
  • Calculate counting year
  • Display elapsed days
  • Display remaining days to next birthday
  • Store age information
Features
Read full description

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

About

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.

Highlights
  • Instant timetable display
  • Favorite station and direction setting
  • Ultra-fast loading
  • Minimalist design
  • Eliminates unnecessary features
Features
Read full description

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

Age Checker3 screens
時刻表ZERO4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard5 real differences · 5 level
Age Checker versus 時刻表ZERO: the parameters behind the verdict, then further details
ParameterAge Checker時刻表ZERO
PriceFreeFree
Rating5.0 (11 ratings) — better—
Positive reviews33.3% of reviews62.7% of reviews — better
Number of ratings11 — better—
Update frequencyEvery 3 monthsEvery 2 months — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.011.0 — better
Further details — not scored
Size28 MB11 MB
Age rating4+4+
Developermitsuhiro naraPipa.jp Ltd.

Customer experience

Age Checker

All ratings11 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews24 reviews
Positive33.3%
Neutral12.5%
Negative54.2%

時刻表ZERO

Written reviews51 reviews
Positive62.7%
Neutral7.8%
Negative29.4%

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)
Show 9 more
  • 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
Show 1 more
  • Allow selection of stations nationwide

In-app purchases

1 purchases

Age Checker

One-time1
  • Remove Ads$3.99
None

時刻表ZERO

No in-app purchases

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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