# Subintervals vs Solus Data Studio

The clearest difference is monetization model: Solus Data Studio at free against Subintervals's free with in-app purchases. Subintervals's advantage is update cadence (weekly vs monthly). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Subintervals sells 4 one-off in-app purchases and Solus Data Studio sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Subintervals against 5.0 for Solus Data Studio. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

Subintervals ships an update weekly, Solus Data Studio monthly. Both last shipped on October 30, 2026.

## The numbers

| Metric | Subintervals | Solus Data Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/subintervals/id6479748688/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/solus-data-studio/id6754760605/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 109 MB | 71 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Inaki Arroyo Nebreda](https://appshunter.io/developer/1736987639) | [BRIAN ROGERS](https://appshunter.io/developer/1849889614) |

## What reviewers say

### 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 |


### Solus Data Studio

[App page](https://appshunter.io/ios/app/solus-data-studio/id6754760605)

Transform your workout activities into visually appealing stories for social media. This app offers customizable templates and design options to personalize your fitness journey's narrative. Share your progress and achievements with beautifully crafted visuals.

**Highlights:** Sync workouts from Strava, Premium visual templates, Customizable colors and layouts, Add personal photos, Export high-resolution posts

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ascent Template Collection | $4.99 | one-time |


## Frequently asked questions

### Is Subintervals free?

Subintervals is free to download, with in-app purchases available.

### Is Solus Data Studio free?

Solus Data Studio is free to download, with in-app purchases available.

### Which has better reviews, Subintervals or Solus Data Studio?

Subintervals and Solus Data Studio are both rated 5.0 out of 5 on the App Store, from 2 and 3 ratings respectively.

### Do Subintervals or Solus Data Studio have ads?

Neither Subintervals nor Solus Data Studio shows ads.

### Which is updated more often, Subintervals or Solus Data Studio?

Subintervals ships an update weekly, and Solus Data Studio monthly. Most recently, Subintervals was updated on October 30, 2026 and Solus Data Studio on October 30, 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.*