Comparison

CheckTimeYo vs Sundial World Clock

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

Head to head
About

CheckTimeYo

Features
Read full description

'CheckTimeYo' is a retro-looking clock app that displays the time, the time from cities around the world (489 of them) of your choice, a feed of your choice, a calendar, and today's moon phase. With 390 themes to choose from, you can even select a font to your liking. Download now! It's free, with no ads, no in-app purchases, and no catch! Using this app is easy. For many settings, there's no need to open the Settings screen. Just tap on the area of the screen where you want to make changes. For example, if you want to change the date format to your liking, simply tap on the date displayed on the screen.

About

Sundial World Clock

Features
Read full description

Sundial is a quiet, beautifully drawn world clock for people who care about time. A grid of analog faces, one per city. Watch noon sweep across the planet on a single stage — no clutter, no popups, no upsells. KEY FEATURES • Live analog clock face for every city you add • Day and night ring so a glance tells you whether it is morning, noon or midnight • Brass-on-navy aesthetic inspired by an old solar sundial • Tap any face to see a large, detail view with seconds • Pick from a curated set of themes • Settings for second hand, minute ticks and 12/24 hour • 100% on-device, no accounts, no network calls DESIGNED FOR FOCUS Sundial sits between a watch face and a travel app — perfect for remote teams, frequent flyers, traders, and anyone who has ever asked "what time is it there right now?" PRIVACY No tracking. No accounts. Your saved cities live on your device.

Screenshots

CheckTimeYo4 screens
Sundial World Clock3 screens

Verdict

The call

CheckTimeYo and Sundial World Clock are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Neither carries in-app purchases, so what you see is what you pay.

ScorecardNo meaningful differences
CheckTimeYo versus Sundial World Clock: the parameters behind the verdict, then further details
ParameterCheckTimeYoSundial World Clock
PriceFreeFree
Update frequencyEvery 6 weeks—
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone
Requires iOS17.417.0 — better
Further details — not scored
Size12 MB0 MB
Age rating4+4+
DeveloperMasayoshi UedaLinh Phan Nhat Khanh

In-app purchases

None

CheckTimeYo

No in-app purchases

None

Sundial World Clock

No in-app purchases

Questions

Is CheckTimeYo free?
CheckTimeYo is free to download, with no in-app purchases.
Is Sundial World Clock free?
Sundial World Clock is free to download, with no in-app purchases.
Do CheckTimeYo or Sundial World Clock have ads?
Neither CheckTimeYo nor Sundial World Clock shows ads.

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