# Endurance tool vs Inner Space

The clearest difference is review sentiment: Inner Space at 86% against Endurance tool's 33%. Inner Space also leads on rating (4.8 vs 4.3) and ratings volume (18 vs 4). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Endurance tool sells 7 in-app purchases, starting at $0.99 per 7 days and Inner Space sells 3 in-app purchases, starting at $25.99 per month. Whichever you choose, the download price is not the number that matters.

Inner Space holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 4 and 18 respectively. Written reviews point the same way: 33% of Endurance tool's written reviews are positive against 86% of Inner Space's.

Endurance tool ships an update every 6 weeks, Inner Space monthly. The most recent releases landed on September 20, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Endurance tool | Inner Space |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (4 ratings)](https://appshunter.io/ios/app/endurance-tool/id1237312003/reviews) | **[4.8 (18 ratings)](https://appshunter.io/ios/app/inner-space/id1597194078/reviews)** |
| Number of ratings | 4 | **18** |
| Positive reviews | 33.3% of reviews | **86.5% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 55 MB | 136 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple TV** |
| Age rating | 17+ | 17+ |
| Developer | [Eira Health](https://appshunter.io/developer/1678112187) | [Holistic Fitness](https://appshunter.io/developer/1806634471) |

## What reviewers say

### Endurance tool

[App page](https://appshunter.io/ios/app/endurance-tool/id1237312003)

Connect with your coach or training team to receive personalized workout recommendations, track your progress, and view detailed session information. Monitor your performance metrics, including speed, distance, heart rate, and GPS data, and share feedback with your coach.

**Highlights:** Connect with coaches and teams, Receive personalized recommendations, Access training calendar and session details, Track running, cycling, and swimming sessions, Monitor speed, distance, heart rate, and GPS, Send feedback to coach

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Semanal | $0.99 | per 7 days |
| ET Premium Mensual | $0.99 | per month |
| ET Premium Mensual DEV | $0.99 | per month |
| Premium Mensual | $2.99 | per month |
| ET Premium Anual | $9.99 | per year |
| ET Premium Anual DEV | $9.99 | per year |
| Premium Anual | $14.99 | per year |


### Inner Space

[App page](https://appshunter.io/ios/app/inner-space/id1597194078)

Access a variety of home and gym workout programs, personalized nutrition guides, and a supportive community of women. Explore yoga, Pilates, meditation, and mindset content for holistic well-being. Available on multiple devices.

**Highlights:** Home & Gym Workout Programs, Nutrition Guides & Recipes, Community Support, Yoga & Pilates Routines, Meditation & Mindset Content, Multi-device Access

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| (APPS) SUSCRIPCIÓN MENSUAL | $25.99 | per month |
| (APPS) SUSCRIPCIÓN TRIMESTRAL | $62.00 | per 3 months |
| (APPS) SUSCRIPCIÓN ANUAL | $186.99 | per year |


## Frequently asked questions

### Is Endurance tool free?

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

### Is Inner Space free?

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

### Which has better reviews, Endurance tool or Inner Space?

Inner Space is rated higher. Endurance tool averages 4.3 out of 5 from 4 ratings, while Inner Space averages 4.8 from 18 ratings.

### Do Endurance tool or Inner Space have ads?

Neither Endurance tool nor Inner Space shows ads.

### Which is updated more often, Endurance tool or Inner Space?

Endurance tool ships an update every 6 weeks, and Inner Space monthly. Most recently, Endurance tool was updated on September 20, 2026 and Inner Space on September 19, 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.*