# Hexis Live vs Subintervals

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.

Both are free to download. Subintervals sells 4 one-off in-app purchases. Hexis Live asks for nothing beyond the download.

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.

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

## The numbers

| Metric | Hexis Live | Subintervals |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.8 (27 ratings)](https://appshunter.io/ios/app/hexis-live/id1610334327/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/subintervals/id6479748688/reviews)** |
| Number of ratings | **27** | 2 |
| Positive reviews | 34.5% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 77 MB | 95 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Applied Behaviour Systems Ltd.](https://appshunter.io/developer/1610334329) | [Inaki Arroyo Nebreda](https://appshunter.io/developer/1736987639) |

## What reviewers say

### Hexis Live

[App page](https://appshunter.io/ios/app/hexis-live/id1610334327)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Subintervals

[App page](https://appshunter.io/ios/app/subintervals/id6479748688)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee | $3.99 | one-time |
| Lunch | $11.99 | one-time |
| Big Thanks | $17.99 | one-time |
| Sponsor | $44.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*