Comparison

CDTimer + vs World Time Clock

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

Head to head
About

CDTimer +

This multi-countdown timer app offers an enhanced experience beyond the standard iPhone timer. It's designed for intuitive use, making it a comprehensive tool for managing multiple countdowns simultaneously.

Highlights
  • Multi-countdown timer
  • Intuitive design
  • Exceeds standard timer functionality
  • Easy to use
Features
Read full description

CDtimerは、複数のカウントダウンタイマーを同時に使えるシンプルなタイマーアプリです。 料理、勉強、作業、休憩、トレーニングなど、いろいろな時間管理に便利です。 各タイマーには進行状況バーが表示されるので、残り時間をひと目で確認できます。 1分、3分、5分、10分、30分のプリセットにも対応。 よく使う時間をすばやくセットできます。 シンプルで見やすく、毎日の時間管理に使いやすいカウントダウンタイマーです。

About

World Time Clock

This app helps you track time differences across multiple cities, with real-time sunrise and sunset notifications. It's useful for business by monitoring stock market hours and partner work times, offering a visual representation of day and night cycles globally.

Highlights
  • Real-time sunrise and sunset notifications
  • Business hour tracking for stock markets and partners
  • Calculates time differences with home city as standard
  • Visual day/night line with seasonal changes
  • Weather, temperature, and humidity display
  • Covers approximately 600 major cities
Features
Read full description

Features of WorldTimeClock ・You can be notified of start time, working hours, sunrise, and sunset. You can also use it for business by setting the opening and closing times of the stock market and the business hours of your business partners. ・By setting your home city as the standard, the time difference with other cities is calculated and displayed. ・You can see whether it is day or night at a glance with the day/night line that moves in real time. Of course, it also accommodates seasonal changes in day and night time. ・The list displays the weather, temperature, humidity, sunrise, and sunset times. The black and white background color makes it easy to distinguish between day and night. ・Covering approximately 600 major cities around the world. ・Beautiful graphics, the movement of the sun, and changes in day and night time depending on the season can be seen, making it fun to watch and perfect for everyday use.

Screenshots

CDTimer +2 screens
World Time Clock4 screens

Verdict

The call

The clearest difference is review sentiment: CDTimer + at 100% against World Time Clock's 36%. CDTimer + also leads on rating (4.0 vs 2.5) and in-app purchases (none vs 1). World Time Clock's advantage is update cadence (every 2 weeks vs every 5 weeks) and ratings volume (4 vs 1). On price, ads 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. World Time Clock sells 1 one-off in-app purchase. CDTimer + asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

CDTimer + holds the better App Store score, 4.0 against 2.5. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews point the same way: 100% of CDTimer +'s written reviews are positive against 36% of World Time Clock's.

UpkeepUpdate frequency

CDTimer + ships an update every 5 weeks, World Time Clock every 2 weeks. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

Scorecard7 real differences · 3 level
CDTimer + versus World Time Clock: the parameters behind the verdict, then further details
ParameterCDTimer +World Time Clock
PriceFreeFree
Rating4.0 (1 ratings) — better2.5 (4 ratings)
Positive reviews100.0% of reviews — better36.4% of reviews
Number of ratings14 — better
Update frequencyEvery 5 weeksEvery 2 weeks — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS12.2 — better16.1
Further details — not scored
Size2 MB100 MB
Age rating4+4+
Developertouru tsurutaHajime Suzuki

Customer experience

CDTimer +

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

World Time Clock

All ratings4 ratings
Positive25.0%
Neutral25.0%
Negative50.0%
Written reviews11 reviews
Positive36.4%
Neutral18.2%
Negative45.5%

In-app purchases

None

CDTimer +

No in-app purchases

1 purchases

World Time Clock

One-time1
  • Permanent purchase$7.99

Questions

Is CDTimer + free?
CDTimer + is free to download, with no in-app purchases.
Is World Time Clock free?
World Time Clock is free to download, with in-app purchases available.
Which has better reviews, CDTimer + or World Time Clock?
CDTimer + is rated higher. CDTimer + averages 4.0 out of 5 from 1 ratings, while World Time Clock averages 2.5 from 4 ratings.
Do CDTimer + or World Time Clock have ads?
Both CDTimer + and World Time Clock show ads.
Which is updated more often, CDTimer + or World Time Clock?
CDTimer + ships an update every 5 weeks, and World Time Clock every 2 weeks. Most recently, CDTimer + was updated on October 4, 2026 and World Time Clock on October 6, 2026.

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