GymNext Flex Timer vs Biotile
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
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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
Biotile
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Your gut microbiome runs on what you feed it. Biotile is the tool for optimizing those inputs: more kinds of plants, fiber, and fermented foods, week after week. PHOTOGRAPH, DON'T LOG Snap a photo of your meal and Biotile identifies the plants in it, including everything you cook from scratch. One dish becomes its ingredients: the chickpeas, the spinach, the kimchi on the side. Prefer typing? A few words work too, and your frequent foods are one tap. SEE YOUR WEEK FEED YOUR GUT Every plant you eat becomes a living cell in your weekly culture. Repeat foods grow their cell; new plants add new ones. A sparse dish on Thursday tells you exactly which lever to pull before Sunday. ONE SCORE, THREE LEVERS Your weekly score is built on the 30-plants-a-week benchmark from published microbiome research, plus fiber and fermented foods. Biotile separates soluble from insoluble fiber, counts fermented servings like kefir, kimchi, and yogurt, and shows which new plant would move your score most. SEE YOUR WEEKLY PROGRESS A 30-second evening check-in captures bloating, digestion, and how you feel. Trends shows your weekly score over time, with comparisons for plant variety, fiber, and fermented foods. BUILT FOR REAL LIFE · Works offline: meals wait and sync when you are back · Backfill a missed day; last week stays editable through Tuesday · Reminders you control, export your data anytime · Sign in with Apple, Google, or email to sync across devices Biotile Pro is available as an auto-renewing monthly or annual subscription. Current pricing and any introductory offer are shown on the purchase screen before you subscribe. Payment is charged to your Apple Account at confirmation of purchase. The subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel in your Apple Account settings. Terms: https://biotile.app/terms Privacy: https://biotile.app/privacy Support: https://biotile.app/support Biotile is a wellness app, not a medical device. Plant diversity, fiber, and fermented foods are linked to gut microbiome health in published research; Biotile does not diagnose, treat, or prevent any condition.
Screenshots
Verdict
The clearest difference is device support: GymNext Flex Timer at 4 against Biotile's 1. GymNext Flex Timer also leads on iOS requirement (15.0 vs 18.0). On price, ads and in-app purchases 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 and Biotile sells 2 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | GymNext Flex Timer | Biotile |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (2.1K ratings) — better | — |
| Positive reviews | 71.7% of reviews | — |
| Number of ratings | 2.1K — better | — |
| Update frequency | Every 3 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone |
| Requires iOS | 15.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 185 MB | 32 MB |
| Age rating | 4+ | 12+ |
| Developer | Homick Enterprises | Geometry Lab |
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
Biotile
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
Biotile
- Biotile Pro Monthly7 Days trial$8.991 Month
- Biotile Pro Annual7 Days trial$34.991 Year









