Comparison

GymNext Flex Timer vs Flextimer

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

Flextimer

Create custom interval timers for workouts, focus sessions, or daily routines. Design sessions step-by-step or use AI to generate them from plain text descriptions. Includes cues for sounds, vibration, and color changes.

Highlights
  • AI-generated timer creation from text
  • Customizable interval and round timers
  • Step cues for sound, vibration, and color
  • Timer Summary with detailed progress
  • Configurable run-screen controls
  • Saved custom timers and starting points
Features
Read full description

More than a countdown. Flextimer is a flexible interval, round, and HIIT timer for workouts, focus, routines, and more — built your way. Design a session step by step, or just describe it in plain words and let AI create it for you to review, edit, and save. Describe. Cue. Run. What sets Flextimer apart is the combination: named steps and repeating rounds, cues for sounds, vibration, color changes, and countdowns, a clear Timer Summary, and AI that can build a timer for you. Fit every part of your session, from prep and work to breaks and cooldowns. Use Flextimer for: • Workouts and interval training (HIIT, EMOM, Tabata) • Boxing, MMA, and round timers • Pomodoro and focus sessions • Meditation and breathing exercises • Presentation and speaking practice • Stretch breaks, chores, cooking, and daily routines • Structured sessions that need more than one countdown Features: • Describe a timer in plain words and let AI build it for you (preview) • Flexible step and repeat-group timer design • Optional final-step skipping, useful for omitting final rest periods • Step cues for additional sounds, vibration, color transitions, countdowns, or in repeating intervals • Timer Summary with total time, time by color, cues, and progress behavior • Configurable run-screen controls for next step, total remaining time, skip, and restart • Custom progress tracking for steps or rounds • Saved custom timers and built-in starting points • Local-first storage • No account required • No ads Flextimer is built for anyone who needs more than a simple countdown timer.

Screenshots

GymNext Flex Timer4 screens
Flextimer4 screens

Verdict

The call

The clearest difference is in-app purchases: Flextimer at none against GymNext Flex Timer's 2. Flextimer also leads on review sentiment (100% vs 72%) and rating (5.0 vs 4.8). GymNext Flex Timer's advantage is ratings volume (2.1K vs 1). On price, ads, monetization model 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. GymNext Flex Timer sells 2 in-app purchases, starting at $8.99 per month. Flextimer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Flextimer 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 2.1K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 72% of GymNext Flex Timer's written reviews are positive against 100% of Flextimer's.

UpkeepUpdate frequency

GymNext Flex Timer ships an update every 3 weeks, Flextimer every 9 days. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.

Scorecard5 real differences · 5 level
GymNext Flex Timer versus Flextimer: the parameters behind the verdict, then further details
ParameterGymNext Flex TimerFlextimer
PriceFreeFree
Rating4.8 (2.1K ratings)5.0 (1 ratings) — better
Positive reviews71.7% of reviews100.0% of reviews — better
Number of ratings2.1K — better1
Update frequencyEvery 3 weeksEvery 9 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size185 MB56 MB
Age rating4+4+
DeveloperHomick EnterprisesSOPHOMATH 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%

Flextimer

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

Flextimer

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

Flextimer

No in-app purchases

Questions

Is GymNext Flex Timer free?
GymNext Flex Timer is free to download, with in-app purchases available.
Is Flextimer free?
Flextimer is free to download, with no in-app purchases.
Which has better reviews, GymNext Flex Timer or Flextimer?
Flextimer is rated higher. GymNext Flex Timer averages 4.8 out of 5 from 2.1K ratings, while Flextimer averages 5.0 from 1 ratings.
Do GymNext Flex Timer or Flextimer have ads?
Neither GymNext Flex Timer nor Flextimer shows ads.
Which is updated more often, GymNext Flex Timer or Flextimer?
GymNext Flex Timer ships an update every 3 weeks, and Flextimer every 9 days. Most recently, GymNext Flex Timer was updated on October 13, 2026 and Flextimer on October 2, 2026.

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