Comparison

KeyHour vs みえるタイマー

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

KeyHour

This app offers a fullscreen digital clock experience inspired by landscape mode designs. It features multiple well-crafted themes and supports both countdown and count-up timers, along with home screen widgets.

Highlights
  • Fullscreen landscape clock
  • Multiple clock themes
  • Countdown timers
  • Count-up timers
  • Home screen widgets
  • Ad-free experience
Features
Read full description

KeyHour helps you feel time passing, stay focused, and reclaim your attention. ◎ Thoughtfully designed for landscape mode. ◎ Multiple carefully crafted clock themes. ◎ App blocking to protect your time from social media and games. ◎ Supports both countdown and count-up timers. ◎ Time widgets to make your Home Screen feel unique and special. I’d love to hear your ideas and feedback — just send an email to kiiiidd@duck.com. ◎ Privacy Policy: https://dominich.notion.site/KeyHour-ead63446fd074e53bc00fb0364cd5984 ◎ Terms of Use: https://dominich.notion.site/KeyHour-26c7b126e78f42c5abbea9254f092ae4

About

みえるタイマー

Features
Read full description

"See Your Remaining Time" - Now on Your Phone! The popular pie-chart timer for focused study. The remaining time is visually obvious, so anyone can use it intuitively - from children who can't read clocks to adults who want to stay focused. ------------------------------- 〇 Perfect for Every Moment ------------------------------- Studying & Exams  Set 25 min focus + 5 min break for Pomodoro study.  No more "how much time is left?" - just look. Cooking  Pasta 8 min. Eggs 12 min.  Hands dirty? Just glance at the screen. Kids & Parenting  "5 more minutes" becomes visible.  Perfect for building routines - brushing teeth, tidying up, screen time limits. Fitness & Exercise  Planks, intervals, stretching.  Push yourself while watching the arc shrink. Work & Productivity  Final sprint before a deadline.  Keep meetings on track. ------------------------------------ 〇 Features ------------------------------------ ● Drag to set time — Haptic feedback every minute ● Arc shrinks in real-time — Instantly grasp remaining time ● Clean & beautiful design — Minimalist white interface ● Alarm clock style option — Switch to your preference ● Dark mode — Easy on the eyes for late-night study ● Eco mode — Pure black background for OLED battery saving ● Second hand ON/OFF — For precise time tracking ● No ads during timer — Zero distractions while you focus ------------------------------------------ ・ Pro ------------------------------------------------------------------ ● Full color customization ● Labeled preset timers ● Continuous mode (auto-repeat focus & break) ● Timer range (12 min / 60 min) ● Completely ad-free ------------------------------------------------ Simple enough to start instantly. Visual enough to keep you going. Download now and make your time visible.

Screenshots

KeyHour4 screens
みえるタイマー4 screens

Verdict

The call

The clearest difference is ads: KeyHour at none against みえるタイマー's shown. みえるタイマー's advantage is update cadence (every 3 days vs every 9 days) and iOS requirement (15.1 vs 17.0). On price, in-app purchases 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. KeyHour sells 3 in-app purchases, starting at $7.99 per year and みえるタイマー sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

KeyHour ships an update every 9 days, みえるタイマー every 3 days. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 7 level
KeyHour versus みえるタイマー: the parameters behind the verdict, then further details
ParameterKeyHourみえるタイマー
PriceFreeFree
Rating4.5 (54 ratings) — better—
Positive reviews93.5% of reviews—
Number of ratings54 — better—
Update frequencyEvery 9 daysEvery 3 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree—
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod, Apple Watch — better
Requires iOS17.015.1 — better
Further details — not scored
Size27 MB39 MB
Age rating17+4+
Developer炜东 黄Takumi Hirose

In-app purchases

3 purchases

KeyHour

Subscriptions1
  • Yearly$7.991 Year
One-time2
  • Lifetime$19.99
  • Lifetime$24.99
1 purchases

みえるタイマー

One-time1
  • VisTimer Pro$0.99

Questions

Is KeyHour free?
KeyHour is free to download, with in-app purchases available.
Is みえるタイマー free?
みえるタイマー is free to download, with in-app purchases available.
Do KeyHour or みえるタイマー have ads?
みえるタイマー shows ads; KeyHour does not.
Which is updated more often, KeyHour or みえるタイマー?
KeyHour ships an update every 9 days, and みえるタイマー every 3 days. Most recently, KeyHour was updated on November 7, 2026 and みえるタイマー on November 5, 2026.

Other comparisons