Comparison

GymNext Flex Timer vs Rogue Wave Martial Arts

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

Rogue Wave Martial Arts

Easily book classes and manage your martial arts journey from your device. Check your profile, membership status, and stay updated on the latest offerings. Access all your martial arts needs conveniently.

Highlights
  • Book classes easily
  • Manage membership status
  • Check user profile
  • Stay updated on products/services
  • Convenient mobile access
Features
Read full description

Download the Rogue Wave Marital Arts app to easily book classes and manage your Marital Arts experience - anytime, anywhere. Check your profile and membership status, keep up to date with the latest products and services, and more – all from your device. Visit roguewavewpb.com to learn more.

Screenshots

GymNext Flex Timer4 screens
Rogue Wave Martial Arts4 screens

Verdict

The call

The clearest difference is in-app purchases: Rogue Wave Martial Arts at none against GymNext Flex Timer's 2. Rogue Wave Martial Arts also leads on iOS requirement (10.0 vs 15.0). GymNext Flex Timer's advantage is update cadence (every 3 weeks vs every 11 months) and ratings volume (2.2K vs 10). 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. Rogue Wave Martial Arts asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Rogue Wave Martial Arts holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: GymNext Flex Timer has 2.2K ratings behind it against 10, so its average is the more settled of the two.

UpkeepUpdate frequency

GymNext Flex Timer ships an update every 3 weeks, Rogue Wave Martial Arts every 11 months. The most recent releases landed on November 1, 2026 and October 9, 2026 respectively.

Scorecard5 real differences · 5 level
GymNext Flex Timer versus Rogue Wave Martial Arts: the parameters behind the verdict, then further details
ParameterGymNext Flex TimerRogue Wave Martial Arts
PriceFreeFree
Rating4.8 (2.2K ratings)5.0 (10 ratings) — better
Positive reviews71.7% of reviews—
Number of ratings2.2K — better10
Update frequencyEvery 3 weeks — betterEvery 11 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPod
Requires iOS15.010.0 — better
Further details — not scored
Size185 MB20 MB
Age rating4+4+
DeveloperHomick EnterprisesRogue Wave Martial Arts, LLC

Customer experience

GymNext Flex Timer

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

Rogue Wave Martial Arts

All ratings10 ratings
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

Rogue Wave Martial Arts

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

Rogue Wave Martial Arts

No in-app purchases

Questions

Is GymNext Flex Timer free?
GymNext Flex Timer is free to download, with in-app purchases available.
Is Rogue Wave Martial Arts free?
Rogue Wave Martial Arts is free to download, with no in-app purchases.
Which has better reviews, GymNext Flex Timer or Rogue Wave Martial Arts?
Rogue Wave Martial Arts is rated higher. GymNext Flex Timer averages 4.8 out of 5 from 2.2K ratings, while Rogue Wave Martial Arts averages 5.0 from 10 ratings.
Do GymNext Flex Timer or Rogue Wave Martial Arts have ads?
Neither GymNext Flex Timer nor Rogue Wave Martial Arts shows ads.
Which is updated more often, GymNext Flex Timer or Rogue Wave Martial Arts?
GymNext Flex Timer ships an update every 3 weeks, and Rogue Wave Martial Arts every 11 months. Most recently, GymNext Flex Timer was updated on November 1, 2026 and Rogue Wave Martial Arts on October 9, 2026.

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