Comparison

Hexis Live vs Subintervals

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Hexis Live

This app creates personalized nutrition plans for athletes based on their unique needs and daily activity. It uses intelligent algorithms to calculate energy requirements minute-by-minute, synchronizes with training data, and provides real-time insights for optimal performance and recovery.

Highlights
  • Carb Coding™ for individual needs
  • On-demand training and wearable sync
  • Intra-workout fuelling guidance
  • Personalized calories and macros
  • Live energy insights
  • Flexible meal patterns
  • Extensive meal logging database
Features
Read full description

EVERY ATHLETE IS UNIQUE You’re unique, and so are your fuelling needs. Hexis provides an intelligent, personalised fuelling plan that adapts to each day, proven to help you perform. THE MOST ADVANCED – THE EASIEST TO USE Key Features Include: CARB CODING ™ Your fuelling needs aren’t the same as anyone else’s. Hexis’ intelligent Carb Coding™ system considers billions of variables to calculate your individual carbohydrate and energy requirements, minute by minute. With Hexis, you’ll optimise your training, maximise your recovery and drive the adaptions you need to succeed. ON-DEMAND TRAININGPEAKS & WEARABLE SYNC Sync your fuelling plan and training plan for the most powerful, accurate fuelling predictions. INTRA WORKOUT FUELLING It’s not easy to know what – and when – you should eat. But with Hexis, you don’t need to worry. There’s no guesswork, no confusion. Your personalised plan is easy to follow, with visual cues to help you get it spot on. PERSONALISED KCALS & MACROS Tailor your fuel plan to your performance and body composition goals, whether you aim to lose fat, maintain weight, or gain muscle Hexis will have you performing at your true potential. LIVE ENERGY Get minute-by-minute insights into your energy, ensuring you are on top of your fuelling and recovery needs. FLEXIBLE MEAL PATTERNS Simplify fuel planning with customisable meal patterns designed for any schedule or preference. MEAL LOGGING Log your meals effortlessly from a database of over a million foods.

About

Subintervals

Visualize your training data with detailed displays and interactive graphs. Customize your analysis and sync seamlessly with intervals.icu for up-to-the-minute insights into activities, events, and performance metrics.

Highlights
  • Detailed activity and event visualization
  • Interactive performance graphs
  • Seamless intervals.icu sync
  • Customizable data analysis
  • Actionable training insights
Features
Read full description

Elevate Your Training with Subintervals Subintervals transforms your intervals.icu data into actionable insights. This app brings your training activities, events, and performance metrics to life through detailed displays and interactive graphs. Customise and control your data for a tailored analysis, and seamlessly sync with intervals.icu for up-to-the-minute information. Key Features: - Detailed visualisation of activities and events. - Dynamic, interactive graphs for performance tracking. - Effortless sync with intervals.icu. Please note that it is an independent application developed by an enthusiast keen on providing a complementary tool to the official platform.

Screenshots

Hexis Live4 screens
Subintervals4 screens

Verdict

The call

The clearest difference is review sentiment: Subintervals at 100% against Hexis Live's 34%. Subintervals also leads on rating (5.0 vs 2.8) and update cadence (weekly vs fortnightly). Hexis Live's advantage is in-app purchases (none vs 4) and ratings volume (27 vs 2). On price, ads, device support and iOS requirement 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. Subintervals sells 4 one-off in-app purchases. Hexis Live asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Subintervals holds the better App Store score, 5.0 against 2.8. That said, the two scores are not equally well evidenced: Hexis Live has 27 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 34% of Hexis Live's written reviews are positive against 100% of Subintervals's.

UpkeepUpdate frequency

Hexis Live ships an update fortnightly, Subintervals weekly. The most recent releases landed on September 21, 2026 and September 10, 2026 respectively.

Scorecard6 real differences · 4 level
Hexis Live versus Subintervals: the parameters behind the verdict, then further details
ParameterHexis LiveSubintervals
PriceFreeFree
Rating2.8 (27 ratings)5.0 (2 ratings) — better
Positive reviews34.5% of reviews100.0% of reviews — better
Number of ratings27 — better2
Update frequencyFortnightlyWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.415.1 — better
Further details — not scored
Size77 MB95 MB
Age rating4+4+
DeveloperApplied Behaviour Systems Ltd.Inaki Arroyo Nebreda

Customer experience

Hexis Live

All ratings27 ratings
Positive37.0%
Neutral3.7%
Negative59.3%
Written reviews58 reviews
Positive34.5%
Neutral10.3%
Negative55.2%

Subintervals

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Hexis Live

No in-app purchases

4 purchases

Subintervals

One-time4
  • Coffee$3.99
  • Lunch$11.99
  • Big Thanks$17.99
Show 1 more
  • Sponsor$44.99

Questions

Is Hexis Live free?
Hexis Live is free to download, with no in-app purchases.
Is Subintervals free?
Subintervals is free to download, with in-app purchases available.
Which has better reviews, Hexis Live or Subintervals?
Subintervals is rated higher. Hexis Live averages 2.8 out of 5 from 27 ratings, while Subintervals averages 5.0 from 2 ratings.
Do Hexis Live or Subintervals have ads?
Neither Hexis Live nor Subintervals shows ads.
Which is updated more often, Hexis Live or Subintervals?
Hexis Live ships an update fortnightly, and Subintervals weekly. Most recently, Hexis Live was updated on September 21, 2026 and Subintervals on September 10, 2026.

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