# Endorphins Running vs Tether Fit

The clearest difference is in-app purchases: Tether Fit at none against Endorphins Running's 4. Endorphins Running's advantage is ads (none vs shown) and ratings volume (879 vs 5). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Endorphins Running sells 4 in-app purchases, starting at $19.99 per month. Tether Fit asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Endorphins Running against 5.0 for Tether Fit. That said, the two scores are not equally well evidenced: Endorphins Running has 879 ratings behind it against 5, so its average is the more settled of the two. Written reviews are what separate them: 99% of Endorphins Running's written reviews are positive against 100% of Tether Fit's.

Endorphins Running ships an update every 2 weeks, Tether Fit weekly. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Endorphins Running | Tether Fit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (879 ratings)](https://appshunter.io/ios/app/endorphins-running/id6736627957/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/tether-fit-workout-tracker/id6795636416/reviews)** |
| Number of ratings | **879** | 5 |
| Positive reviews | 98.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Freemium | **Ad-supported** |
| Size | 177 MB | 51 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Endorphins Running LLC](https://appshunter.io/developer/1772731195) | [Cam Brannelly](https://appshunter.io/developer/1340151902) |

## What reviewers say

### Endorphins Running

[App page](https://appshunter.io/ios/app/endorphins-running/id6736627957)

This app provides science-backed, personalized training plans for runners of all levels, from beginners to marathoners. It offers expert coaching, real-time progress tracking, and integrates with popular wearables. Users can also join a large community for in-person training events and support.

**Highlights:** Personalized adaptive training plans, Real-time progress tracking, Expert coaching and support, 1500+ community events, Wearable device integration, Strength and recovery programs

**Features:** macOS Compatibility, Apple Wallet, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $19.99 | per month |
| Monthly | $19.99 | per month |
| Yearly | $119.99 | per year |
| Yearly | $119.99 | per year |

**What reviewers like**

- 🚀 Seamless Strava integration
- 👍 Personalized training plans
- 🌟 Excellent community features
- 💪 Helped improve running performance
- 🤝 Great for meeting like-minded runners


### Tether Fit

[App page](https://appshunter.io/ios/app/tether-fit-workout-tracker/id6795636416)

This app transforms solo workouts into shared experiences by allowing users to log and share their fitness sessions with a community. It helps users track progress, discover new workouts, and find motivation through social interaction and accountability.

**Highlights:** Fast and easy workout logging, Progress monitoring over time, Workout template creation, Import workouts from files/images, Follow and perform community workouts, Social accountability through likes/comments

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

**In-app purchases:** none


## Frequently asked questions

### Is Endorphins Running free?

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

### Is Tether Fit free?

Tether Fit is free to download, with no in-app purchases.

### Which has better reviews, Endorphins Running or Tether Fit?

Tether Fit is rated higher. Endorphins Running averages 4.9 out of 5 from 879 ratings, while Tether Fit averages 5.0 from 5 ratings.

### Do Endorphins Running or Tether Fit have ads?

Tether Fit shows ads; Endorphins Running does not.

### Which is updated more often, Endorphins Running or Tether Fit?

Endorphins Running ships an update every 2 weeks, and Tether Fit weekly. Most recently, Endorphins Running was updated on October 17, 2026 and Tether Fit on October 8, 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.*