Comparison

GymNext Flex Timer vs HybridAF Mobile

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

HybridAF Mobile

Access daily workouts and find gym locations within a network designed for various strength athletes. Discover gyms meeting specific equipment and space requirements for a satisfying workout.

Highlights
  • View daily workouts
  • Access gym locations
  • Network of participating gyms
  • Suitable for various strength sports
  • Minimum equipment and space requirements
Features
Read full description

The Hybrid Athlete Foundation, HybridAF, Mobile App lets participating gym members view the daily workouts and access the gym locations within the network. All types of athletes are welcome and invited to gyms in the #HybridAF network.  With a minimum equipment list and square footage requirement for a gym to become part of the network, CFers and sport of fitness athletes, Olympic Lifters, Powerlifters, Strongman, and anyone who lifts will be able to get a highly satisfactory workout in at any of the #HybridAF gyms.

Screenshots

GymNext Flex Timer4 screens
HybridAF Mobile4 screens

Verdict

The call

The clearest difference is rating: GymNext Flex Timer at 4.8 against HybridAF Mobile's 3.1. GymNext Flex Timer also leads on ratings volume (2.1K vs 27) and review sentiment (72% vs 55%). HybridAF Mobile's advantage is in-app purchases (none vs 2) and iOS requirement (12.0 vs 15.0). On price, update cadence, 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. HybridAF Mobile asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

GymNext Flex Timer holds the better App Store score, 4.8 against 3.1. That said, the two scores are not equally well evidenced: GymNext Flex Timer has 2.1K ratings behind it against 27, 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 55% of HybridAF Mobile's.

UpkeepUpdate frequency

GymNext Flex Timer ships an update every 3 weeks, HybridAF Mobile monthly. The most recent releases landed on September 22, 2026 and September 10, 2026 respectively.

Scorecard5 real differences · 5 level
GymNext Flex Timer versus HybridAF Mobile: the parameters behind the verdict, then further details
ParameterGymNext Flex TimerHybridAF Mobile
PriceFreeFree
Rating4.8 (2.1K ratings) — better3.1 (27 ratings)
Positive reviews72.4% of reviews — better54.5% of reviews
Number of ratings2.1K — better27
Update frequencyEvery 3 weeks — betterMonthly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size185 MB16 MB
Age rating4+4+
DeveloperHomick EnterprisesTrue IP Solutions

Customer experience

GymNext Flex Timer

All ratings2,119 ratings
Positive96.6%
Neutral1.1%
Negative2.4%
Written reviews170 reviews
Positive72.4%
Neutral5.9%
Negative21.8%

HybridAF Mobile

All ratings27 ratings
Positive51.9%
Neutral0.0%
Negative48.1%
Written reviews11 reviews
Positive54.5%
Neutral0.0%
Negative45.5%

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

HybridAF Mobile

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

HybridAF Mobile

No in-app purchases

Questions

Is GymNext Flex Timer free?
GymNext Flex Timer is free to download, with in-app purchases available.
Is HybridAF Mobile free?
HybridAF Mobile is free to download, with no in-app purchases.
Which has better reviews, GymNext Flex Timer or HybridAF Mobile?
GymNext Flex Timer is rated higher. GymNext Flex Timer averages 4.8 out of 5 from 2.1K ratings, while HybridAF Mobile averages 3.1 from 27 ratings.
Do GymNext Flex Timer or HybridAF Mobile have ads?
Neither GymNext Flex Timer nor HybridAF Mobile shows ads.
Which is updated more often, GymNext Flex Timer or HybridAF Mobile?
GymNext Flex Timer ships an update every 3 weeks, and HybridAF Mobile monthly. Most recently, GymNext Flex Timer was updated on September 22, 2026 and HybridAF Mobile on September 10, 2026.

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