Comparison

GymNext Flex Timer vs Cool Countdown

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

Head to head
About

GymNext Flex Timer

This app offers advanced interval training timing with customizable modes and the ability to control an external LED display. It integrates with wearables and heart rate monitors for a comprehensive workout experience.

Highlights
  • Control external LED displays
  • Multiple customizable timer modes (Tabata, EMOM, etc.)
  • Save and recall favorite workouts
  • Apple Watch control
  • Audio sync with music
  • Heart rate monitor integration
  • Control multiple LED displays
Features
Read full description

Meet the future of interval training. GymNext Flex Timer is the only timer app that combines powerful workout programming with control of large, wall-mounted LED displays—giving you the best of both worlds. Traditional gym timers rely on clunky remotes and are difficult to use. Mobile apps are flexible, but hard to see across the room. Flex Timer solves both. Build and control your workouts from your phone while displaying them on bright, easy-to-read LED screens anywhere in your gym. Perfect for HIIT, CrossFit, circuits, bootcamps, boxing, MMA, strength training, and more. Features: • Use the app on its own or connect to GymNext LED displays for maximum visibility • Core timer modes include Count Up/Down, Round, Tabata, EMOM, Mixed Intervals, and Sets with Rest • Plan your personal workouts or full classes in advance—everything ready in one tap • Share timers with athletes and trainers instantly using simple links • Save workouts to your library for quick access • Control your timer from Apple Watch—completely hands-free • Smart audio sync keeps your music and timer cues perfectly aligned • Connect multiple Bluetooth heart rate monitors and track performance in real time • Set custom heart rate zones for better training feedback • Control multiple timers across your gym at the same time • Run different workouts simultaneously for group training • Reliable Bluetooth control with no line-of-sight limitations “This will eventually become the standard for all gyms” – Garage Gym Reviews “All our coaches love the clock” – CrossFit Barrie “We love it to death” – Wolverine Strength & Conditioning Download Flex Timer and upgrade the way you train. We’re always improving. Have feedback? Reach us at support@gymnext.com

About

Cool Countdown

This app provides a visually engaging countdown and count-up timer with an authentic design. It's ideal for managing time for various activities, from children's tasks to personal projects, offering animated visuals and customizable durations.

Highlights
  • Stylish design with animated time flow
  • Visual and sound notifications
  • Works in device lock or sleep mode
  • Wide range of time durations (seconds to 100 hours)
  • Counts time past completion
  • User-friendly interface
Features
Read full description

Countdown timer with an authentic design. This perfectly shaped timer is a great way to measure and visualize time. Counts time up and down. It's perfect for when you need your kids to wait patiently for a few minutes or to do homework for a certain length of time. 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! If you want an excellent visual time indicator for your activities, try the Cool Countdown.

Screenshots

GymNext Flex Timer4 screens
Cool Countdown4 screens

Verdict

The call

The clearest difference is in-app purchases: Cool Countdown at none against GymNext Flex Timer's 2. Cool Countdown also leads on review sentiment (100% vs 72%) and iOS requirement (6.0 vs 15.0). GymNext Flex Timer's advantage is update cadence (every 3 weeks vs every 6 months) and ratings volume (2.1K vs 4). On price, rating, ads and monetization model 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. GymNext Flex Timer sells 2 in-app purchases, starting at $8.99 per month. Cool Countdown asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for GymNext Flex Timer against 4.8 for Cool Countdown. That said, the two scores are not equally well evidenced: GymNext Flex Timer has 2.1K ratings behind it against 4, so its average is the more settled of the two. Written reviews are what separate them: 72% of GymNext Flex Timer's written reviews are positive against 100% of Cool Countdown's.

UpkeepUpdate frequency

GymNext Flex Timer ships an update every 3 weeks, Cool Countdown every 6 months. The most recent releases landed on October 2, 2026 and September 26, 2026 respectively.

Scorecard5 real differences · 5 level
GymNext Flex Timer versus Cool Countdown: the parameters behind the verdict, then further details
ParameterGymNext Flex TimerCool Countdown
PriceFreeFree
Rating4.8 (2.1K ratings)4.8 (4 ratings)
Positive reviews71.7% of reviews100.0% of reviews — better
Number of ratings2.1K — better4
Update frequencyEvery 3 weeks — betterEvery 6 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.06.0 — better
Further details — not scored
Size185 MB78 MB
Age rating4+4+
DeveloperHomick EnterprisesSerhii Simkovskyi

Customer experience

GymNext Flex Timer

All ratings2,119 ratings
Positive96.6%
Neutral1.1%
Negative2.4%
Written reviews173 reviews
Positive71.7%
Neutral6.4%
Negative22.0%

Cool Countdown

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

GymNext Flex Timer

Reported bugs

2 issues
  • Saved timers not consistently loading
  • Segmented timers not saving properly

Requested features

4 requests
  • Watch app integration for remote control
  • Background audio playback when app is closed
  • Customizable voice options
  • Lap timer functionality

Cool Countdown

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

GymNext Flex Timer

Subscriptions2
  • Flex Timer Pro Monthly7 Days trial$8.991 Month
  • Flex Timer Pro Yearly1 Month trial$79.991 Year
None

Cool Countdown

No in-app purchases

Questions

Is GymNext Flex Timer free?
GymNext Flex Timer is free to download, with in-app purchases available.
Is Cool Countdown free?
Cool Countdown is free to download, with no in-app purchases.
Which has better reviews, GymNext Flex Timer or Cool Countdown?
GymNext Flex Timer and Cool Countdown are both rated 4.8 out of 5 on the App Store, from 2.1K and 4 ratings respectively.
Do GymNext Flex Timer or Cool Countdown have ads?
Neither GymNext Flex Timer nor Cool Countdown shows ads.
Which is updated more often, GymNext Flex Timer or Cool Countdown?
GymNext Flex Timer ships an update every 3 weeks, and Cool Countdown every 6 months. Most recently, GymNext Flex Timer was updated on October 2, 2026 and Cool Countdown on September 26, 2026.

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