Comparison

Disco Timer vs Cool Hourglass

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

Head to head
About

Disco Timer

This app provides a visually intuitive countdown timer for various tasks, from cooking to presentations. Its unique rotary gesture for setting time and large display make it easy to use and read from a distance. Customize alerts and colors for a personalized experience.

Highlights
  • Rotary gesture time setting
  • Large, high-contrast display
  • Glanceable from a distance
  • Disable auto-lock option
  • Customizable color combinations (Premium)
  • Variety of exclusive alert tones
Features
Read full description

Boiling an egg, timing a presentation, or starting your next Pomodoro – Disco Timer is a universal countdown clock for all sorts of tasks. Setting the timer duration is based on 60-minute circle of traditional analog watches – you just wind it up with a single rotary gesture. Then tap the display to run, pause, or reset the timer. Large, high-contrast representation of the remaining time makes it glanceable from quite a distance. And an option to disable the Auto-Lock can keep the device awake while the timer is running. This comes in very handy when keeping an eye on the progress is as important as the finishing time itself. The face of the timer can be customized by choosing from a variety of color combinations (Premium feature). And for the completion alert – you can select from a dozen great-sounding tones, all of which are crafted exclusively for Codulis apps. Give Disco Timer a try, and let us know what you think!

About

Cool Hourglass

This app offers a futuristic liquid timer with animated time flow and a stylish design. It visualizes time passing without needing to read numbers, featuring sound and visual notifications. Suitable for all ages, it can track durations from seconds to 100 hours.

Highlights
  • Animated time flow
  • Stylish and luxury design
  • Visual and sound notifications
  • Operates in lock/sleep mode
  • Wide time duration range
  • Counts time past completion
Features
Read full description

Futuristic liquid timer with animated time flow. This futuristic hourglass timer is a fashionable accessory for keeping track of your time. It combines advanced animation with luxury design to measure and visualize time. The animated time flow allows you to keep track of your pace without having to read the numbers. Features: - Stylish design; - Animated time flow and backgrounds; - Visual and sound notifications; - Ability to fire even in device lock or sleep mode; - Wide range of time duration available—from as couple of seconds to 100 hours; - Counts time past timer completion; - User-friendly — even for kids! Turn your timer into an ultramodern fashion accessory and measure your time stylishly!

Screenshots

Disco Timer4 screens
Cool Hourglass4 screens

Verdict

The call

The clearest difference is review sentiment: Disco Timer at 89% against Cool Hourglass's 33%. Disco Timer also leads on rating (4.7 vs 4.0) and ratings volume (97 vs 6). Cool Hourglass's advantage is in-app purchases (none vs 1) and iOS requirement (6.0 vs 15.4). On price, update cadence, 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. Disco Timer sells 1 one-off in-app purchase. Cool Hourglass asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Disco Timer holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Disco Timer has 97 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 89% of Disco Timer's written reviews are positive against 33% of Cool Hourglass's.

UpkeepUpdate frequency

Disco Timer ships an update every 5 months, Cool Hourglass every 6 months. The most recent releases landed on September 29, 2026 and September 26, 2026 respectively.

Scorecard6 real differences · 4 level
Disco Timer versus Cool Hourglass: the parameters behind the verdict, then further details
ParameterDisco TimerCool Hourglass
PriceFreeFree
Rating4.7 (97 ratings) — better4.0 (6 ratings)
Positive reviews89.5% of reviews — better33.3% of reviews
Number of ratings97 — better6
Update frequencyEvery 5 months — betterEvery 6 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.46.0 — better
Further details — not scored
Size26 MB81 MB
Age rating4+4+
DeveloperCodulisSerhii Simkovskyi

Customer experience

Disco Timer

All ratings97 ratings
Positive92.8%
Neutral2.1%
Negative5.2%
Written reviews19 reviews
Positive89.5%
Neutral5.3%
Negative5.3%

Cool Hourglass

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews9 reviews
Positive33.3%
Neutral11.1%
Negative55.6%

In-app purchases

1 purchases

Disco Timer

One-time1
  • Disco Timer Premium$2.99
None

Cool Hourglass

No in-app purchases

Questions

Is Disco Timer free?
Disco Timer is free to download, with in-app purchases available.
Is Cool Hourglass free?
Cool Hourglass is free to download, with no in-app purchases.
Which has better reviews, Disco Timer or Cool Hourglass?
Disco Timer is rated higher. Disco Timer averages 4.7 out of 5 from 97 ratings, while Cool Hourglass averages 4.0 from 6 ratings.
Do Disco Timer or Cool Hourglass have ads?
Neither Disco Timer nor Cool Hourglass shows ads.
Which is updated more often, Disco Timer or Cool Hourglass?
Disco Timer ships an update every 5 months, and Cool Hourglass every 6 months. Most recently, Disco Timer was updated on September 29, 2026 and Cool Hourglass on September 26, 2026.

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