Comparison

Clock Seconds vs Exact Seconds

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

Head to head
About

Clock Seconds

A highly accurate and customizable digital clock that fills your screen. Offers adjustable colors, sizes, and 12/24 hour formats. Designed for minimal battery usage.

Highlights
  • Largest digital clock display
  • Accurate atomic time comparison
  • Customizable colors and dimensions
  • 12/24 hour format options
  • Minimal battery consumption design
  • Portrait mode settings access
Features
Read full description

Largest and most accurate digital clock to fit your screen, with customizable colors, dimensions, 12/24 hour modes, atomic (compare to https://time.gov) , and more. To customize the clock use Portrait, tap the clock to show / hide settings. The app was designed to minimize battery consumption on your device. Compare accuracy to https://time.gov

About

Exact Seconds

This utility displays the current time with second-level precision, offering a large, readable clock and customizable widgets for your home and lock screens. It's designed for situations where exact timing is crucial, providing a clean and focused experience without ads or tracking.

Highlights
  • Large in-app clock with live seconds
  • Home Screen widget with live seconds
  • Lock Screen widget with live seconds
  • Customizable widget appearance
  • Multiple in-app clock colors
  • Optional in-app date display
Features
Read full description

Exact Seconds is a clean, focused clock that shows the current time down to the second. Use it when timing matters — coordinating a precise moment, checking the current second at a glance, or keeping an easy-to-read seconds clock on your iPhone. Features: • Large in-app clock with live seconds • Home Screen widgets with live seconds • Lock Screen widget with live seconds • CarPlay widget support • Multiple widget sizes • Widget appearance themes and color options • Stable HH:mm:ss time format • 12-hour, 24-hour, or system time format in the app • Multiple in-app clock colors • Black or white in-app background • Optional in-app date display • No account required • No ads • No advertising or cross-app tracking The main app gives you a customizable full-screen seconds clock. Widgets provide quick access to exact time on the Home Screen, Lock Screen, and supported CarPlay displays. Exact Seconds uses your iPhone system time. For best accuracy, keep Set Automatically enabled in iOS Date & Time settings. Seconds uses limited anonymous product analytics to understand whether widgets remain active over time. This analytics does not use IDFA and is not used for advertising or cross-app tracking.

Screenshots

Clock Seconds4 screens
Exact Seconds4 screens

Verdict

The call

The clearest difference is rating: Clock Seconds at 5.0 against Exact Seconds's 4.0. Clock Seconds also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). Exact Seconds's advantage is in-app purchases (none vs 2) and update cadence (every 9 days vs every 4 weeks). On price, ratings volume and ads 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. Clock Seconds sells 2 one-off in-app purchases. Exact Seconds asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Clock Seconds holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 4 respectively.

UpkeepUpdate frequency

Clock Seconds ships an update every 4 weeks, Exact Seconds every 9 days. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.

Scorecard6 real differences · 4 level
Clock Seconds versus Exact Seconds: the parameters behind the verdict, then further details
ParameterClock SecondsExact Seconds
PriceFreeFree
Rating5.0 (4 ratings) — better4.0 (4 ratings)
Positive reviews—100.0% of reviews
Number of ratings44
Update frequencyEvery 4 weeksEvery 9 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better17.0
Further details — not scored
Size22 MB7 MB
Age rating4+4+
DeveloperDavid Engler - AppsVagram Malkhasian

Customer experience

Clock Seconds

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Exact Seconds

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Clock Seconds

One-time2
  • Remove Ads$2.99
  • Unlock$9.99
None

Exact Seconds

No in-app purchases

Questions

Is Clock Seconds free?
Clock Seconds is free to download, with in-app purchases available.
Is Exact Seconds free?
Exact Seconds is free to download, with no in-app purchases.
Which has better reviews, Clock Seconds or Exact Seconds?
Clock Seconds is rated higher. Clock Seconds averages 5.0 out of 5 from 4 ratings, while Exact Seconds averages 4.0 from 4 ratings.
Do Clock Seconds or Exact Seconds have ads?
Neither Clock Seconds nor Exact Seconds shows ads.
Which is updated more often, Clock Seconds or Exact Seconds?
Clock Seconds ships an update every 4 weeks, and Exact Seconds every 9 days. Most recently, Clock Seconds was updated on October 2, 2026 and Exact Seconds on September 30, 2026.

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