# The Outsiders Fitness Tracker vs Training Stack

The clearest difference is update cadence: The Outsiders Fitness Tracker at every 11 days against Training Stack's every 3 months. The Outsiders Fitness Tracker also leads on ratings volume (134 vs 6). Training Stack's advantage is rating (5.0 vs 4.6) and review sentiment (100% vs 81%). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. The Outsiders Fitness Tracker sells 5 in-app purchases, starting at $6.99 per month and Training Stack sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Training Stack holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: The Outsiders Fitness Tracker has 134 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 81% of The Outsiders Fitness Tracker's written reviews are positive against 100% of Training Stack's.

The Outsiders Fitness Tracker ships an update every 11 days, Training Stack every 3 months. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | The Outsiders Fitness Tracker | Training Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (134 ratings)](https://appshunter.io/ios/app/the-outsiders-fitness-tracker/id6751584800/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/training-stack/id6757607761/reviews)** |
| Number of ratings | **134** | 6 |
| Positive reviews | 80.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 3 months |
| Monetization | Free with in-app purchases | Freemium |
| Size | 163 MB | 26 MB |
| Requires iOS | **26.0** | 26.2 |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Gentler Stories LLC](https://appshunter.io/developer/1564056326) | [Raven Howard](https://appshunter.io/developer/1867818110) |

## What reviewers say

### The Outsiders Fitness Tracker

[App page](https://appshunter.io/ios/app/the-outsiders-fitness-tracker/id6751584800)

This app provides data-driven insights for self-coached athletes to optimize performance and recovery. It offers a daily readiness score, tracks training load and progress, and analyzes workouts with advanced metrics. Designed for runners, cyclists, and swimmers who prioritize informed training.

**Highlights:** Daily Training Readiness score, Training load and recovery tracking, Performance progress monitoring, Workout analysis with advanced metrics, Sleep quality and body metric tracking, Customizable heart rate zones

**Features:** Apple Watch app

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Outsider Absolute Monthly | $6.99 | per month |
| Outsider Absolute Yearly | $29.99 | per year |
| Outsider Absolute Yearly | $49.99 | per year |
| Outsider Absolute for Life | $79.99 | one-time |
| Outsider Absolute for Life | $119.99 | one-time |

**What reviewers like**

- 🚀 Great beginning
- 👍 Amazing design and interface
- 👍 Comprehensive data analysis and guidance
- 👍 Promising tool for training and fitness goals

**What reviewers complain about**

- 🐛 Crashed on iOS26

**Reported bugs**

- Crash on iOS26

**Requested features**

- Complications for Apple Watch
- Bubbles in Progress tab to show daily distance
- Support for Chinese language


### Training Stack

[App page](https://appshunter.io/ios/app/training-stack/id6757607761)

This app consolidates running, strength training, and short exercise bursts into a single platform. It allows users to import training plans, track progress with detailed analytics, and integrate with health data. Personalize your fitness journey with customizable plans and shareable progress reports.

**Highlights:** Import running and strength training plans, Track running, strength, and exercise snacks, Apple Health integration for automatic syncing, Detailed running and strength analytics, Customizable strength training with 400+ exercises, Widgets and Live Activities for quick access, Weather integration for optimized runs

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Stacker - Monthly | $4.99 | per month |
| Pro Stacker - Annual | $19.99 | per year |
| Pro Stacker - Believer | $99.99 | one-time |


## Frequently asked questions

### Is The Outsiders Fitness Tracker free?

The Outsiders Fitness Tracker is free to download, with in-app purchases available.

### Is Training Stack free?

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

### Which has better reviews, The Outsiders Fitness Tracker or Training Stack?

Training Stack is rated higher. The Outsiders Fitness Tracker averages 4.6 out of 5 from 134 ratings, while Training Stack averages 5.0 from 6 ratings.

### Do The Outsiders Fitness Tracker or Training Stack have ads?

Neither The Outsiders Fitness Tracker nor Training Stack shows ads.

### Which is updated more often, The Outsiders Fitness Tracker or Training Stack?

The Outsiders Fitness Tracker ships an update every 11 days, and Training Stack every 3 months. Most recently, The Outsiders Fitness Tracker was updated on November 4, 2026 and Training Stack on October 31, 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.*