GymNext Flex Timer vs Mario's Mentality
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
Read full descriptionHide 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
Mario's Mentality
Achieve your fitness goals with personalized workout and meal plans. Track your progress, log nutrition, and connect with your coach through instant messaging and video calls. Integrates with health kits for comprehensive insights.
- Personalized workout plans
- Customized meal plans
- Nutrition and hydration tracking
- Progress analytics
- 1-on-1 chat with coach
- Wearable integration
Read full descriptionHide full description
Kick-start your fitness journey with Mario's Mentality. Together with Mario Santaella, you'll have the best combination of nutrition & exercises available on a single app. With Mario's Mentality, you can begin your fitness journey in no time. Get a fully personalized workout and meal plan tailored to your fitness goals. Progress tracking gets easier when you log your daily workout, record meals, update your check-ins and connect your fitness band & health kit, and get real-time updates via advanced analytical tools. Everything that contributes to your fitness goals gets captured in one place. To top it all, use the inbuilt 1-1 chat feature to have all your queries addressed on the go. You deserve to be the best. That’s why Mario's Mentality have packed so many features in a single app to help you achieve your fitness goals. Start your journey today! Features that will help you achieve your fitness goals include: * Personalized Workout Plan: Get a fully personalized fitness plan tailored to your goals, whether it is to gain weight, lose weight, gain muscles, or simply wish to work on your general fitness. * Nutrition, Hydration & Habits: Access meal plans assigned by your coach and log your food intake to keep a close track of your calorie intake and macros. You can also track your hydration, steps and calories burnt on the app. * Instant messaging & video calls - Message your coach in real-time and schedule video sessions directly from the app. Stay connected with your coach to improve compliance and get better results. * Check-ins: Gain complete insight into your overall performance with easy check-ins and real-time updates. * Progress: Stay on top of your progress with powerful analytics. * Wearable integration: Get the bigger picture of your progress by connecting your fitness band & health kit thereby enabling real-time updates. Note regarding Apple Health: The app integrates with Apple Health to show your daily activity - distance, steps, active energy, and flights to help you better achieve your goals. App also uses Apple Health to track energy burned and heart rate during a workout session, if an Apple Watch is used. Workout metrics are shared with the coach to better design your workout schedule. DISCLAIMER: Users should seek a doctor’s advice before using this app and making any medical decisions.
Screenshots
Verdict
The clearest difference is in-app purchases: Mario's Mentality at none against GymNext Flex Timer's 2. Mario's Mentality 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 8) and device support (4 vs 2). 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
Both are free to download. GymNext Flex Timer sells 2 in-app purchases, starting at $8.99 per month. Mario's Mentality asks for nothing beyond the download.
Mario's Mentality 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 8, 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 Mario's Mentality's.
GymNext Flex Timer ships an update every 3 weeks, Mario's Mentality every 5 weeks. The most recent releases landed on September 25, 2026 and June 1, 2026 respectively.
| Parameter | GymNext Flex Timer | Mario's Mentality |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (2.1K ratings) | 5.0 (8 ratings) — better |
| Positive reviews | 72.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 2.1K — better | 8 |
| Update frequency | Every 3 weeks — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 185 MB | 133 MB |
| Age rating | 4+ | 17+ |
| Developer | Homick Enterprises | Mario Santaella |
Customer experience
GymNext Flex Timer
Mario's Mentality
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
Mario's Mentality
Not enough reviews yet to summarise bugs or requests.
In-app purchases
GymNext Flex Timer
- Flex Timer Pro Monthly7 Days trial$8.991 Month
- Flex Timer Pro Yearly1 Month trial$79.991 Year
Mario's Mentality
No in-app purchases
Questions
Is GymNext Flex Timer free?
Is Mario's Mentality free?
Which has better reviews, GymNext Flex Timer or Mario's Mentality?
Do GymNext Flex Timer or Mario's Mentality have ads?
Which is updated more often, GymNext Flex Timer or Mario's Mentality?
Other comparisons















