Comparison

Hourglass vs Tool Clock

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

Head to head
About

Hourglass

A minimalistic countdown clock app designed for iPhone. It offers a clean interface with a visual progress indicator and supports multiple time units. Easily share countdowns and receive notifications when events conclude.

Highlights
  • Minimalistic design
  • Multiple time units
  • Visual progress indicator
  • Unlimited countdowns
  • Sharable content
  • Push notifications
  • Notification Center widget
  • Apple Watch compatibility
Features
Read full description

When time doesn't fly, countdown in style with Hourglass. Hourglass is a minimalistic countdown clock for iPhone. It's simplistic, easy to use, and has a beautiful design. Features: - Beautiful, Minimal Design: The flagship feature of Hourglass is its incredible design. The sleek, black background blends seamlessly with the device bezel. No complicated features or in-app purchases, just a clear design with easily readable text. - Multiple Time Units: Simply tap the time remaining to switch between seconds, minutes, hours, and days. - Visual Progress Indicator: The beautiful blue ring surrounding the time indicates the progress of the time remaining to an event. - Unlimited Countdowns: Countdown to as many events as your heart desires. Simply swipe left or right to switch countdowns, and get an overview of all your countdowns by going back to the Countdowns list - Sharable Content: Easily E-mail, Text, or Tweet the time left to an event by tapping the Share icon. - Push Notifications: Get notified when a countdown finally finishes. - Notification Center Widget: Instead of having to open Hourglass, just swipe down to view your Countdowns in the Notification Centre. - Compatible with Apple Watch: Now, you can easily view your countdowns quickly and easily, right on your wrist!

About

Tool Clock

This utility app offers comprehensive time management tools, including world clocks with time zones and maps, customizable alarms, and versatile timers for workouts and sports. It simplifies time input with a one-tap selection mechanism.

Highlights
  • World clock with time zones and maps
  • Customizable alarms with fast time input
  • Stopwatch with lap counting and workout timers
  • Sports game timers (football, basketball, etc.)
  • Multiple parallel timers
  • Screen always on display
Features
Read full description

You're looking for clock app with match entire timing management? The app is the right choice! All kinds of time management are in one app, as screen always on, hourly chimes, workout exercises counting, a football match timer, and so on. Come along with convenience time input with one-tapped to pick hours, minutes by rounds clock and bars selection. Features: World clock: - Time zone of any cities over the world with map location. - Day and night world map by time changed. - Half hourly chimes notification as the hand watch alert, which is customizable. - Big digits clock with screen always on. Alarm: - Traditional alarms. - Fast and convenience time input mechanism. No more long scroll to pick your desired hours, minutes, just one-tapped and finish. Stopwatch: - Classic laps count. - Workout plan counting down, with voice counting included, customizable exercises. The default plan comes with Push-up; Crunch; Squat and Lift-up. - Sport games timer are available for football, basket ball, boxing, martial match and rugby. Timer: - Multiple timers could be played in parallel for your tasks monitoring. - Time picking bars will cost you one tap to get desired time.

Screenshots

Hourglass4 screens
Tool Clock4 screens

Verdict

The call

The clearest difference is in-app purchases: Hourglass at none against Tool Clock's 1. Hourglass also leads on update cadence (fortnightly vs monthly) and ratings volume (4 vs 1). Tool Clock's advantage is review sentiment (100% vs 80%). On price, rating, 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. Tool Clock sells 1 one-off in-app purchase. Hourglass asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.0 for Hourglass against 4.0 for Tool Clock. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews are what separate them: 80% of Hourglass's written reviews are positive against 100% of Tool Clock's.

UpkeepUpdate frequency

Hourglass ships an update fortnightly, Tool Clock monthly. The most recent releases landed on October 1, 2026 and October 2, 2026 respectively.

Scorecard6 real differences · 4 level
Hourglass versus Tool Clock: the parameters behind the verdict, then further details
ParameterHourglassTool Clock
PriceFreeFree
Rating4.0 (4 ratings)4.0 (1 ratings)
Positive reviews80.0% of reviews100.0% of reviews — better
Number of ratings4 — better1
Update frequencyFortnightly — betterMonthly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPod
Requires iOS8.2 — better15.0
Further details — not scored
Size14 MB7 MB
Age rating4+4+
DeveloperMat CartmillNghia Huynh Quang

Customer experience

Hourglass

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews5 reviews
Positive80.0%
Neutral20.0%
Negative0.0%

Tool Clock

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

In-app purchases

None

Hourglass

No in-app purchases

1 purchases

Tool Clock

One-time1
  • Pro features$0.99

Questions

Is Hourglass free?
Hourglass is free to download, with no in-app purchases.
Is Tool Clock free?
Tool Clock is free to download, with in-app purchases available.
Which has better reviews, Hourglass or Tool Clock?
Hourglass and Tool Clock are both rated 4.0 out of 5 on the App Store, from 4 and 1 ratings respectively.
Do Hourglass or Tool Clock have ads?
Neither Hourglass nor Tool Clock shows ads.
Which is updated more often, Hourglass or Tool Clock?
Hourglass ships an update fortnightly, and Tool Clock monthly. Most recently, Hourglass was updated on October 1, 2026 and Tool Clock on October 2, 2026.

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